{"id":10173,"date":"2022-10-09T02:10:39","date_gmt":"2022-10-09T09:10:39","guid":{"rendered":"https:\/\/www.xh86.me\/?p=10173"},"modified":"2022-10-09T02:10:39","modified_gmt":"2022-10-09T09:10:39","slug":"linux-%e5%ae%9e%e7%94%a8%e8%bf%90%e7%bb%b4%e8%84%9a%e6%9c%ac%e5%88%86%e4%ba%ab","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=10173","title":{"rendered":"Linux \u5b9e\u7528\u8fd0\u7ef4\u811a\u672c\u5206\u4eab"},"content":{"rendered":"
\n

 <\/p>\n

<\/section>\n

 <\/p>\n

\n
#\u67e5\u770b\u50f5\u5c38\u8fdb\u7a0b<\/span>
\nps\u00a0-al\u00a0|\u00a0gawk\u00a0'{print\u00a0$2,$4}'<\/span>\u00a0|\u00a0grep<\/span>\u00a0Z<\/code><\/code>#\u00a0\u5339\u914d\u7535\u5b50\u90ae\u4ef6\u7684\u5730\u5740<\/span>
\ncat\u00a0index.html\u00a0|\u00a0egrep\u00a0-o\u00a0“[A-Za-z0-9._]+@[A-Za-z0-9.]+.[a-zA-Z]{2,4}”<\/span>\u00a0>\u00a0ans.txt<\/p>\n

<\/code><\/code>#\u5339\u914dhttp\u00a0URL<\/span>
\ncat\u00a0index.html\u00a0|\u00a0egrep\u00a0-o\u00a0“http:\/\/[A-Za-z0-9.]+.[a-zA-Z]{2,3}”<\/span>\u00a0>\u00a0ans.txt<\/p>\n

<\/code><\/code>#\u7eaf\u6587\u672c\u5f62\u5f0f\u4e0b\u8f7d\u7f51\u9875<\/span>
\nlynx\u00a0–dump<\/span>\u00a0www.baidu.com\u00a0>\u00a0plain.txt<\/p>\n

<\/code><\/code>#\u53ea\u6253\u5370HTTP\u5934\u90e8\u4fe1\u606f\uff0c\u65e0\u987b\u8fdc\u7a0b\u4e0b\u8f7d\u6587\u4ef6<\/span>
\ncurl\u00a0–head\u00a0www.baidu.com<\/p>\n

<\/code><\/code>#\u4f7f\u7528POST\u63d0\u4ea4\u6570\u636e<\/span>
\ncurl\u00a0-d\u00a0“param2=nickwolfe\u00b6m2=12345”<\/span>\u00a0http:\/\/www<\/span>.linuxidc.com\/login.cgi<\/p>\n

<\/code><\/code>#\u663e\u793a\u5206\u7ec4\u9014\u7ecf\u7684\u7f51\u5173<\/span>
\ntraceroute\u00a0www.baidu.com<\/p>\n

<\/code><\/code>#\u5217\u51fa\u7cfb\u7edf\u4e2d\u7684\u5f00\u653e\u7aef\u53e3\u4ee5\u53ca\u8fd0\u884c\u5728\u7aef\u53e3\u4e0a\u7684\u670d\u52a1<\/span>
\nlsof\u00a0-i<\/p>\n

<\/code><\/code>#nc\u547d\u4ee4\u5efa\u7acbsocket\u8fde\u63a5<\/span><\/p>\n

<\/code><\/code>#\u8bbe\u7f6e\u76d1\u542c\u3000nc\u00a0-l\u00a05555<\/span>
\n#\u8fde\u63a5\u5230\u5957\u63a5\u5b57\u00a0nc\u00a0192.0.0.1\u00a05555<\/span><\/p>\n

<\/code><\/code>#\u5feb\u901f\u6587\u4ef6\u4f20\u8f93<\/span>
\n#\u63a5\u6536\u7aef\u3000nc\u00a0-l\u00a05555\u00a0>\u00a0destination_filename<\/span>
\n#\u53d1\u9001\u7aef\u3000nc\u00a0192.0.0.1\u00a05555\u00a0<\u00a0source_filename<\/span><\/p>\n

<\/code><\/code>#\u627e\u51fa\u6307\u5b9a\u76ee\u5f55\u6700\u5927\u7684n\u4e2a\u6587\u4ef6<\/span>
\ndu\u00a0-ak\u00a0target_dir\u00a0|\u00a0sort<\/span>\u00a0-nrk\u00a01<\/span>\u00a0|\u00a0head\u00a0-n\u00a04<\/span>
\n# du\u4e2da\u4e3a\u9012\u5f52,k\u4e3akb\uff1bsort\u4e2dn\u4e3a\u6570\u5b57,r\u4e3a\u964d\u5e8f,k\u6307\u5b9a\u5217<\/span><\/p>\n

<\/code><\/code>#\u5411\u7ec8\u7aef\u4e2d\u7684\u6240\u6709\u767b\u9646\u7528\u6237\u53d1\u9001\u5e7f\u64ad\u4fe1\u606f<\/span>
\ncat\u00a0message.txt\u00a0|\u00a0wall<\/p>\n

<\/code><\/code>#\u521b\u5efa\u65b0\u7684screen\u7a97\u53e3<\/span>
\nscreen<\/p>\n

<\/code><\/code>#\u6253\u5370\u6240\u6709\u7684.txt\u548c.pdf\u6587\u4ef6<\/span>
\nfind\u00a0.\u00a0(\u00a0-name\u00a0“*.txt”<\/span>\u00a0-o\u00a0-name\u00a0“*.pdf”<\/span>\u00a0)\u00a0–print<\/span><\/p>\n

<\/code><\/code>#\u00a0-exec\u00a0command\u00a0{}\u00a0;\u662f\u8fde\u7528\u7684\uff0c\u6240\u6709\u7b26\u5408\u7684\u90fd\u4f1a\u653e\u7f6e\u5728{}\u4e2d\uff0c\u53bb\u6267\u884ccommand\u00a0<\/span><\/p>\n

<\/code><\/code>#\u5c06\u6587\u4ef6\u5206\u5272\u6210\u591a\u4e2a\u5927\u5c0f\u4e3a10kb\u7684\u6587\u4ef6<\/span>
\nsplit<\/span>\u00a0-b\u00a010<\/span>k\u00a0data.file<\/p>\n

<\/code><\/code>#\u6253\u5370\u4e24\u4e2a\u6587\u4ef6\u7684\u4ea4\u96c6<\/span>
\ncomm\u00a0A.txt\u00a0B.txt\u00a0–3<\/span>\u00a0|\u00a0sed\u00a0‘s\/^t\/\/’<\/span><\/p>\n

<\/code><\/code>#sed\u79fb\u9664\u7a7a\u767d\u884c<\/span>
\nsed\u00a0‘\/^$\/d’<\/span>\u00a0file<\/p>\n<\/section>\n

mysql\u5907\u4efd<\/span><\/h4>\n
#!\/bin\/bash
\n<\/span>
\nset<\/span>\u00a0-e<\/code><\/code>USER=“backup”<\/span>
\nPASSWORD=“backup”<\/span>
\n#\u00a0\u6570\u636e\u5e93\u6570\u636e\u76ee\u5f55\u00a0#<\/span>
\nDATA_DIR=“\/data\/mysql”<\/span>
\nBIN_INDEX=$DATA_DIR<\/span>“\/mysql-bin.index”<\/span>
\n#\u00a0\u5907\u4efd\u76ee\u5f55\u00a0#<\/span>
\nBACKUP_DIR=“\/data\/backup\/mysql”<\/span>
\nBACKUP_LOG=“\/var\/log\/mysql\/backup.log”<\/span><\/p>\n

<\/code><\/code>DATE=`date\u00a0+“%Y%m%d”<\/span>`
\nTIME=`date\u00a0+“%Y%m%d%H”<\/span>`<\/p>\n

<\/code><\/code>LOG_TIME=`date\u00a0+“%Y-%m-%d\u00a0%H:%M:%S”<\/span>`
\nDELETE_BINLOG_TIME=“7\u00a0day”<\/span>
\nINCREMENT_INTERVAL=“3\u00a0hour”<\/span><\/p>\n

<\/code><\/code>note<\/span><\/span>()\u00a0{
\nprintf<\/span>\u00a0“[$LOG_TIME<\/span>]\u00a0note:\u00a0$*n”<\/span>\u00a0>>\u00a0$BACKUP_LOG<\/span>;
\n}<\/p>\n

<\/code><\/code>warning<\/span><\/span>()\u00a0{
\nprintf<\/span>\u00a0“[$LOG_TIME<\/span>]\u00a0warning:\u00a0$*n”<\/span>\u00a0>>\u00a0$BACKUP_LOG<\/span>;
\n}<\/p>\n

<\/code><\/code>error<\/span><\/span>()\u00a0{
\nprintf<\/span>\u00a0“[$LOG_TIME<\/span>]\u00a0error:\u00a0$*n”<\/span>\u00a0>>\u00a0$BACKUP_LOG<\/span>;
\nexit<\/span>\u00a01;
\n}<\/p>\n

<\/code><\/code>full_backup<\/span><\/span>()\u00a0{
\nlocal<\/span>\u00a0dbs=`ls\u00a0-l\u00a0$DATA_DIR<\/span>\u00a0|\u00a0grep\u00a0“^d”<\/span>\u00a0|\u00a0awk\u00a0-F\u00a0”\u00a0“<\/span>\u00a0‘{print\u00a0$9}’<\/span>`<\/p>\n

<\/code><\/code>\u00a0\u00a0\u00a0\u00a0for<\/span>\u00a0db\u00a0in<\/span>\u00a0$dbs<\/span>
\ndo<\/span>
\nlocal<\/span>\u00a0backup_dir=$BACKUP_DIR<\/span>“\/full\/”<\/span>$db<\/span>
\nlocal<\/span>\u00a0filename=$db<\/span>“.”<\/span>$DATE<\/span>
\nlocal<\/span>\u00a0backup_file=$backup_dir<\/span>“\/”<\/span>$filename<\/span>“.sql”<\/span><\/p>\n

<\/code><\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if<\/span>\u00a0[\u00a0!\u00a0-d\u00a0$backup_dir<\/span>\u00a0]
\nthen<\/span>
\nmkdir\u00a0-p\u00a0$backup_dir<\/span>\u00a0||\u00a0{\u00a0error\u00a0“\u521b\u5efa\u6570\u636e\u5e93\u00a0$db<\/span>\u00a0\u5168\u91cf\u5907\u4efd\u76ee\u5f55\u00a0$backup_dir<\/span>\u00a0\u5931\u8d25”<\/span>;\u00a0continue<\/span>;\u00a0}
\nnote\u00a0“\u6570\u636e\u5e93\u00a0$db<\/span>\u00a0\u5168\u91cf\u5907\u4efd\u76ee\u5f55\u00a0$backup_dir<\/span>\u00a0\u00a0\u4e0d\u5b58\u5728\uff0c\u521b\u5efa\u5b8c\u6210”<\/span>;
\nfi<\/span><\/p>\n

<\/code><\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0note\u00a0“full\u00a0backup\u00a0$db<\/span>\u00a0start\u00a0…”<\/span>
\nmysqldump\u00a0–user=${USER}<\/span>\u00a0–password=${PASSWORD}<\/span>\u00a0–flush-logs\u00a0–skip-lock-tables\u00a0–quick\u00a0$db<\/span>\u00a0>\u00a0$backup_file<\/span>\u00a0||\u00a0{\u00a0warning\u00a0“\u6570\u636e\u5e93\u00a0$db<\/span>\u00a0\u5907\u4efd\u5931\u8d25”<\/span>;\u00a0continue<\/span>;\u00a0}<\/p>\n

<\/code><\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cd<\/span>\u00a0$backup_dir<\/span>
\ntar\u00a0-cPzf\u00a0$filename<\/span>“.tar.gz”<\/span>\u00a0$filename<\/span>“.sql”<\/span>
\nrm\u00a0-f\u00a0$backup_file<\/span>
\nchown\u00a0-fR\u00a0mysql:mysql\u00a0$backup_dir<\/span><\/p>\n

<\/code><\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0note\u00a0“\u6570\u636e\u5e93\u00a0$db<\/span>\u00a0\u5907\u4efd\u6210\u529f”<\/span>;
\nnote\u00a0“full\u00a0backup\u00a0$db<\/span>\u00a0end.”<\/span>
\ndone<\/span>
\n}<\/p>\n

<\/code><\/code>increment_backup<\/span><\/span>()\u00a0{
\nlocal<\/span>\u00a0StartTime=`date\u00a0“-d\u00a0$INCREMENT_INTERVAL<\/span>\u00a0ago”<\/span>\u00a0+“%Y-%m-%d\u00a0%H:%M:%S”<\/span>`
\nlocal<\/span>\u00a0DELETE_BINLOG_END_TIME=`date\u00a0“-d\u00a0$DELETE_BINLOG_TIME<\/span>\u00a0ago”<\/span>\u00a0+“%Y-%m-%d\u00a0%H:%M:%S”<\/span>`
\nlocal<\/span>\u00a0dbs=`ls\u00a0-l\u00a0$DATA_DIR<\/span>\u00a0|\u00a0grep\u00a0“^d”<\/span>\u00a0|\u00a0awk\u00a0-F\u00a0”\u00a0“<\/span>\u00a0‘{print\u00a0$9}’<\/span>`<\/p>\n

<\/code><\/code>\u00a0\u00a0\u00a0\u00a0mysql\u00a0-u$USER<\/span>\u00a0-p$PASSWORD<\/span>\u00a0-e\u00a0“purge\u00a0master\u00a0logs\u00a0before\u00a0‘$DELETE_BINLOG_END_TIME<\/span>‘”<\/span>\u00a0&&\u00a0note\u00a0“delete\u00a0$DELETE_BINLOG_TIME<\/span>\u00a0days\u00a0before\u00a0log”<\/span>;<\/p>\n

<\/code><\/code>\u00a0\u00a0\u00a0\u00a0filename=`cat\u00a0$BIN_INDEX<\/span>\u00a0|\u00a0awk\u00a0-F\u00a0“\/”<\/span>\u00a0‘{print\u00a0$2}’<\/span>`
\nfor<\/span>\u00a0i\u00a0in<\/span>\u00a0$filename<\/span>
\ndo<\/span>
\nfor<\/span>\u00a0db\u00a0in<\/span>\u00a0$dbs<\/span>
\ndo<\/span>
\nlocal<\/span>\u00a0backup_dir=$BACKUP_DIR<\/span>“\/increment\/”<\/span>$db<\/span>
\nlocal<\/span>\u00a0filename=$db<\/span>“.”<\/span>$TIME<\/span>
\nlocal<\/span>\u00a0backup_file=$backup_dir<\/span>“\/”<\/span>$filename<\/span>“.sql”<\/span><\/p>\n

<\/code><\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if<\/span>\u00a0[\u00a0!\u00a0-d\u00a0$backup_dir<\/span>\u00a0]
\nthen<\/span>
\nmkdir\u00a0-p\u00a0$backup_dir<\/span>\u00a0||\u00a0{\u00a0error\u00a0“\u521b\u5efa\u6570\u636e\u5e93\u00a0$db<\/span>\u00a0\u589e\u91cf\u5907\u4efd\u76ee\u5f55\u00a0$backup_dir<\/span>\u00a0\u5931\u8d25”<\/span>;\u00a0continue<\/span>;\u00a0}
\nnote\u00a0“\u6570\u636e\u5e93\u00a0$db<\/span>\u00a0\u589e\u91cf\u5907\u4efd\u76ee\u5f55\u00a0$backup_dir<\/span>\u00a0\u00a0\u4e0d\u5b58\u5728\uff0c\u521b\u5efa\u5b8c\u6210”<\/span>;
\nfi<\/span><\/p>\n

<\/code><\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0note\u00a0“increment\u00a0backup\u00a0$db<\/span>\u00a0form\u00a0time\u00a0$StartTime<\/span>\u00a0start\u00a0…”<\/span><\/p>\n

<\/code><\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0mysqlbinlog\u00a0-d\u00a0$db<\/span>\u00a0–start-datetime=“$StartTime<\/span>“<\/span>\u00a0$DATA_DIR<\/span>\/$i<\/span>\u00a0>>\u00a0$backup_file<\/span>\u00a0||\u00a0{\u00a0warning\u00a0“\u6570\u636e\u5e93\u00a0$db<\/span>\u00a0\u5907\u4efd\u5931\u8d25”<\/span>;\u00a0continue<\/span>;\u00a0}<\/p>\n

<\/code><\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0note\u00a0“increment\u00a0backup\u00a0$db<\/span>\u00a0end.”<\/span>
\ndone<\/span>
\ndone<\/span><\/p>\n

<\/code><\/code>\u00a0\u00a0\u00a0\u00a0for<\/span>\u00a0db\u00a0in<\/span>\u00a0$dbs<\/span>
\ndo<\/span>
\nlocal<\/span>\u00a0backup_dir=$BACKUP_DIR<\/span>“\/increment\/”<\/span>$db<\/span>
\nlocal<\/span>\u00a0filename=$db<\/span>“.”<\/span>$TIME<\/span>
\nlocal<\/span>\u00a0backup_file=$backup_dir<\/span>“\/”<\/span>$filename<\/span>“.sql”<\/span><\/p>\n

<\/code><\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cd<\/span>\u00a0$backup_dir<\/span>
\ntar\u00a0-cPzf\u00a0$filename<\/span>“.tar.gz”<\/span>\u00a0$filename<\/span>“.sql”<\/span>
\nrm\u00a0-f\u00a0$backup_file<\/span><\/p>\n

<\/code><\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0note\u00a0“\u6570\u636e\u5e93\u00a0$db<\/span>\u00a0\u5907\u4efd\u6210\u529f”<\/span>;
\ndone<\/span>
\n}<\/p>\n

<\/code><\/code>case<\/span>\u00a0“$1<\/span>“<\/span>\u00a0in<\/span>
\nfull)
\nfull_backup
\n;;
\nincrement)
\nincrement_backup
\n;;
\n*)
\nexit<\/span>\u00a02
\n;;
\nesac<\/span><\/p>\n

<\/code><\/code>exit<\/span>\u00a01<\/p>\n<\/section>\n

\u76ee\u5f55\u5907\u4efd<\/span><\/h4>\n
#!\/bin\/bash<\/span>
\n#<\/span>
\n#<\/span>
\n#\u00a0\u65f6\u95f4<\/span>
\nDATE=$(date\u00a0'+%Y-%m-%d_%H_%M_%S'<\/span>)
\n#\u00a0\u5907\u4efd\u76ee\u5f55\u00a0<\/span>
\nBACKUPDIR=\"\/home\/backups\"<\/span>
\n#\u00a0\u9700\u8981\u5907\u4efd\u7684\u76ee\u5f55<\/span>
\nSORFILE=\/opt
\n#\u00a0\u76ee\u6807\u6587\u4ef6\u540d<\/span>
\nDESFILE=\/home\/backups\/$SORFILE<\/span>.$(date\u00a0'+%Y-%m-%d_%H_%M_%S'<\/span>).zip<\/code><\/code>[\u00a0!\u00a0-d\u00a0$BACKUPDIR<\/span>\u00a0]\u00a0&&\u00a0mkdir\u00a0-p\u00a0$BACKUPDIR<\/span>
\ncd<\/span>\u00a0$BACKUPDIR<\/span><\/p>\n

<\/code><\/code>echo<\/span>\u00a0“start\u00a0backup\u00a0$SORFILE<\/span>\u00a0…”<\/span>
\nsleep\u00a03
\n#echo\u00a0“$DESFILE”<\/span><\/p>\n

<\/code><\/code>#tar\u00a0cvf\u00a0$DESFILE\u00a0$SORFILE<\/span>
\n#gzip\u00a0-f\u00a0.zip\u00a0$DESFILE<\/span>
\nzip\u00a0-r\u00a0$DESFILE<\/span>\u00a0$SORFILE<\/span>\u00a0&>\/dev\/null
\nif<\/span>\u00a0[\u00a0“$?”<\/span>\u00a0==\u00a0“0”<\/span>\u00a0]
\nthen<\/span>
\necho<\/span>\u00a0$(date\u00a0+%Y-%m-%d)”\u00a0zip\u00a0sucess”<\/span>>>backup.log
\nelse<\/span>
\necho<\/span>\u00a0$(date\u00a0+%Y-%m-%d)”\u00a0zip\u00a0failed”<\/span>>>backup.log
\nexit<\/span>\u00a00
\nfi<\/span><\/p>\n

<\/code><\/code>#\u00a0\u5220\u96643\u5929\u524d\u7684\u5907\u4efd<\/span>
\nfind\u00a0$BACKUPDIR<\/span>\u00a0–type<\/span>\u00a0f\u00a0-ctime\u00a0+3\u00a0|\u00a0xargs\u00a0rm\u00a0-rf<\/p>\n<\/section>\n

PING\u67e5\u8be2<\/span><\/h4>\n
#!\/bin\/bash<\/span>
\n#\u7528\u9014\uff1a\u6839\u636e\u7f51\u7edc\u914d\u7f6e\u5bf9\u7f51\u7edc\u5730\u5740192.168.0\u8fdb\u884c\u4fee\u6539\uff0c\u68c0\u67e5\u662f\u5426\u662f\u6d3b\u52a8\u72b6\u6001<\/span><\/code><\/code>#{start..end}shell\u6269\u5c55\u751f\u6210\u4e00\u7ec4\u5730\u5740<\/span>
\nfor<\/span>\u00a0ip\u00a0in<\/span>\u00a0192.168.0.{1..255}
\ndo<\/span>
\n(
\nping\u00a0$ip<\/span>\u00a0-c\u00a02\u00a0&>\u00a0\/dev\/null
\n#\u00a0>\u00a0\u6807\u51c6\u8f93\u51fa\u91cd\u5b9a\u5411\uff0c\u548c1>\u4e00\u81f4<\/span>
\n#\u00a02>&1\u00a0\u5c06\u6807\u51c6\u9519\u8bef\u8f93\u51fa\u3000\u91cd\u5b9a\u5411\u3000\u5230\u6807\u51c6\u8f93\u51fa<\/span>
\n#\u00a0&>file\u00a0\u5c06\u6807\u51c6\u8f93\u51fa\u548c\u6807\u51c6\u9519\u8bef\u8f93\u51fa\u90fd\u91cd\u5b9a\u5411\u5230\u6587\u4ef6filename\u4e2d<\/span><\/p>\n

<\/code><\/code>\u00a0\u00a0\u00a0\u00a0if<\/span>\u00a0[\u00a0$?\u00a0-eq\u00a00\u00a0];then<\/span>
\necho<\/span>\u00a0$ip<\/span>\u00a0is\u00a0alive
\nfi<\/span>
\n)&
\ndone<\/span>
\nwait<\/span>
\n#\u5e76\u884cping,\u52a0\u901f<\/span><\/p>\n<\/section>\n

\u78c1\u76d8IO\u68c0\u67e5<\/span><\/h4>\n
#<\/span>#iostat\u662f\u67e5\u770b\u78c1\u76d8\u6d3b\u52a8\u7edf\u8ba1\u60c5\u51b5<\/span><\/span>
\n
\n#<\/span>#\u663e\u793a\u6240\u6709\u8bbe\u5907\u8d1f\u8f7d\u60c5\u51b5 r\/s:\u00a0\u00a0\u6bcf\u79d2\u5b8c\u6210\u7684\u8bfb I\/O \u8bbe\u5907\u6b21\u6570\u3002\u5373 rio\/s\uff1bw\/s:\u00a0\u00a0\u6bcf\u79d2\u5b8c\u6210\u7684\u5199 I\/O \u8bbe\u5907\u6b21\u6570\u3002\u5373 wio\/s\u7b49<\/span><\/span>
\niostat
\n
\n#<\/span>#\u6bcf\u96942\u79d2\u5237\u65b0\u78c1\u76d8IO\u4fe1\u606f\uff0c\u5e76\u4e14\u6bcf\u6b21\u663e\u793a3\u6b21<\/span><\/span>
\niostat\u00a02\u00a03
\n
\n#<\/span>\u663e\u793a\u67d0\u4e2a\u78c1\u76d8\u7684IO\u4fe1\u606f<\/span>
\niostat\u00a0-d\u00a0sda1
\n
\n#<\/span>#\u663e\u793atty\u548ccpu\u4fe1\u606f<\/span><\/span>
\niostat\u00a0-t
\n
\n#<\/span>#\u4ee5M\u4e3a\u5355\u4f4d\u663e\u793a\u78c1\u76d8IO\u4fe1\u606f<\/span><\/span>
\niostat\u00a0-m
\n
\n#<\/span>#\u67e5\u770bTPS\u548c\u541e\u5410\u91cf\u4fe1\u606f\u00a0 kB_read\/s\uff1a\u6bcf\u79d2\u4ece\u8bbe\u5907\uff08drive expressed\uff09\u8bfb\u53d6\u7684\u6570\u636e\u91cf\uff1bkB_wrtn\/s\uff1a\u6bcf\u79d2\u5411\u8bbe\u5907\uff08drive expressed\uff09\u5199\u5165\u7684\u6570\u636e\u91cf\uff1bkB_read\uff1a\u8bfb\u53d6\u7684\u603b\u6570\u636e\u91cf\uff1bkB_wrtn\uff1a\u5199\u5165\u7684\u603b\u6570\u91cf\u6570\u636e\u91cf\uff1b<\/span><\/span>
\niostat\u00a0-d\u00a0-k\u00a01\u00a01
\n
\n#<\/span>\u67e5\u770b\u8bbe\u5907\u4f7f\u7528\u7387\uff08%util\uff09\u3001\u54cd\u5e94\u65f6\u95f4\uff08await\uff09<\/span>
\niostat\u00a0-d\u00a0-x\u00a0-k\u00a01\u00a01
\n
\n#<\/span>\u67e5\u770bCPU\u72b6\u6001<\/span>
\niostat\u00a0-c\u00a01\u00a03
\n
\n#<\/span>\u7edf\u8ba1\u8fdb\u7a0b(pid)\u7684stat<\/span>,\u8fdb\u7a0b\u7684stat<\/span>\u81ea\u7136\u5305\u62ec\u8fdb\u7a0b\u7684IO\u72b6\u51b5<\/span>
\npidstat
\n
\n#<\/span>\u53ea\u663e\u793aIO<\/span>
\npidstat\u00a0-d\u00a0\u00a01
\n
\n#<\/span>-d\u00a0IO\u00a0\u4fe1\u606f,-r\u00a0\u7f3a\u9875\u53ca\u5185\u5b58\u4fe1\u606f-u\u00a0CPU\u4f7f\u7528\u7387-t\u00a0\u4ee5\u7ebf\u7a0b\u4e3a\u7edf\u8ba1\u5355\u4f4d1\u00a0\u00a01\u79d2\u7edf\u8ba1\u4e00\u6b21<\/span>
\npidstat\u00a0-u\u00a0-r\u00a0-d\u00a0-t\u00a01
\n
\n#<\/span>\u6587\u4ef6\u7ea7IO\u5206\u6790,\u67e5\u770b\u5f53\u524d\u6587\u4ef6\u7531\u54ea\u4e9b\u8fdb\u7a0b\u6253\u5f00<\/span>
\nlsof
\nls\u00a0\/proc\/pid\/fd
\n
\n#<\/span>\u5229\u7528\u00a0sar\u00a0\u62a5\u544a\u78c1\u76d8\u00a0I\/O\u00a0\u4fe1\u606fDEV\u00a0\u6b63\u5728\u76d1\u89c6\u7684\u5757\u8bbe\u5907\u00a0tps\u00a0\u6bcf\u79d2\u949f\u7269\u7406\u8bbe\u5907\u7684\u00a0I\/O\u00a0\u4f20\u8f93\u603b\u91cf\u00a0rd_sec\/s\u00a0\u6bcf\u79d2\u4ece\u8bbe\u5907\u8bfb\u53d6\u7684\u6247\u533a\u6570\u91cf\u00a0wr_sec\/s\u00a0\u6bcf\u79d2\u5411\u8bbe\u5907\u5199\u5165\u7684\u6247\u533a\u6570\u91cf\u00a0avgrq-sz\u00a0I\/O\u00a0\u8bf7\u6c42\u7684\u5e73\u5747\u6247\u533a\u6570<\/span>
\n#<\/span>avgqu-sz\u00a0I\/O\u00a0\u8bf7\u6c42\u7684\u5e73\u5747\u961f\u5217\u957f\u5ea6\u00a0await\u00a0I\/O\u00a0\u8bf7\u6c42\u7684\u5e73\u5747\u7b49\u5f85\u65f6\u95f4\uff0c\u5355\u4f4d\u4e3a\u6beb\u79d2\u00a0svctm\u00a0I\/O\u00a0\u8bf7\u6c42\u7684\u5e73\u5747\u670d\u52a1\u65f6\u95f4\uff0c\u5355\u4f4d\u4e3a\u6beb\u79d2\u00a0%util\u00a0I\/O\u00a0\u8bf7\u6c42\u6240\u5360\u7528\u7684\u65f6\u95f4\u7684\u767e\u5206\u6bd4\uff0c\u5373\u8bbe\u5907\u5229\u7528\u7387<\/span>
\nsar\u00a0-pd\u00a010\u00a03
\n
\n#<\/span>iotop\u00a0\u00a0top\u7684io\u7248<\/span>
\niotop
\n
\n#<\/span>\u67e5\u770b\u9875\u9762\u7f13\u5b58\u4fe1\u606f\u00a0\u5176\u4e2d\u7684Cached \u6307\u7528\u4e8epagecache\u7684\u5185\u5b58\u5927\u5c0f\uff08diskcache-SwapCache\uff09\u3002\u968f\u7740\u5199\u5165\u7f13\u5b58\u9875\uff0cDirty \u7684\u503c\u4f1a\u589e\u52a0\u00a0\u4e00\u65e6\u5f00\u59cb\u628a\u7f13\u5b58\u9875\u5199\u5165\u786c\u76d8,Writeback\u7684\u503c\u4f1a\u589e\u52a0\u76f4\u5230\u5199\u5165\u7ed3\u675f\u3002<\/span>
\ncat\u00a0\/proc\/meminfo
\n
\n#<\/span>\u67e5\u770b\u6709\u591a\u5c11\u4e2apdflush\u8fdb\u7a0b\u00a0Linux\u00a0\u7528pdflush\u8fdb\u7a0b\u628a\u6570\u636e\u4ece\u7f13\u5b58\u9875\u5199\u5165\u786c\u76d8<\/span>
\n#<\/span>pdflush\u7684\u884c\u4e3a\u53d7\/proc\/sys\/vm\u4e2d\u7684\u53c2\u6570\u7684\u63a7\u5236\/proc\/sys\/vm\/dirty_writeback_centisecs (default 500): 1\/100\u79d2, \u591a\u957f\u65f6\u95f4\u5524\u9192pdflush\u5c06\u7f13\u5b58\u9875\u6570\u636e\u5199\u5165\u786c\u76d8\u3002\u9ed8\u8ba45\u79d2\u5524\u91922\u4e2a\uff08\u66f4\u591a\u4e2a\uff09\u7ebf\u7a0b\u3002\u5982\u679cwrteback\u7684\u65f6\u95f4\u957f\u4e8edirty_writeback_centisecs\u7684\u65f6\u95f4\uff0c\u53ef\u80fd\u4f1a\u51fa\u95ee\u9898<\/span>
\ncat\u00a0\/proc\/sys\/vm\/nr_pdflush_threads
\n
\n#<\/span>\u67e5\u770bI\/O\u00a0\u8c03\u5ea6\u5668<\/span>
\n#<\/span>\u8c03\u5ea6\u7b97\u6cd5<\/span>
\n#<\/span>noop\u00a0anticipatory\u00a0deadline\u00a0[cfq]\u00a0<\/span>
\n#<\/span>deadline :\u00a0\u00a0\u00a0 deadline \u7b97\u6cd5\u4fdd\u8bc1\u5bf9\u65e2\u5b9a\u7684IO\u8bf7\u6c42\u4ee5\u6700\u5c0f\u7684\u5ef6\u8fdf\u65f6\u95f4\u3002<\/span>
\n#<\/span>anticipatory\uff1a\u6709\u4e2aIO\u53d1\u751f\u540e\uff0c\u5982\u679c\u53c8\u6709\u8fdb\u7a0b\u8bf7\u6c42IO\uff0c\u5219\u4ea7\u751f\u4e00\u4e2a\u9ed8\u8ba46ms\u731c\u6d4b\u65f6\u95f4\uff0c\u731c\u6d4b\u4e0b\u4e00\u4e2a\u8fdb\u7a0b\u8bf7\u6c42IO\u662f\u5e72\u4ec0\u4e48\u3002\u8fd9\u5bf9\u4e8e\u968f\u673a\u8bfb\u53d6\u4f1a\u9020\u6210\u8f83\u5927\u7684\u5ef6\u65f6\u3002\u5bf9\u6570\u636e\u5e93\u5e94\u7528\u5f88\u7cdf\u7cd5\uff0c\u800c\u5bf9\u4e8eWeb Server\u7b49\u5219\u4f1a\u8868\u73b0\u4e0d\u9519\u3002<\/span>
\n#<\/span>cfq:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5bf9\u6bcf\u4e2a\u8fdb\u7a0b\u7ef4\u62a4\u4e00\u4e2aIO\u961f\u5217\uff0c\u5404\u4e2a\u8fdb\u7a0b\u53d1\u6765\u7684IO\u8bf7\u6c42\u4f1a\u88abcfq\u4ee5\u8f6e\u5faa\u65b9\u5f0f\u5904\u7406\uff0c\u5bf9\u6bcf\u4e00\u4e2aIO\u8bf7\u6c42\u90fd\u662f\u516c\u5e73\u3002\u9002\u5408\u79bb\u6563\u8bfb\u7684\u5e94\u7528\u3002<\/span>
\n#<\/span>noop:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5bf9\u6240\u6709IO\u8bf7\u6c42\u90fd\u7528FIFO\u961f\u5217\u5f62\u5f0f\u5904\u7406\u3002\u9ed8\u8ba4IO\u4e0d\u4f1a\u5b58\u5728\u6027\u80fd\u95ee\u9898\u3002<\/span>
\ncat\u00a0\/sys\/block\/[disk]\/queue\/scheduler
\n<\/code><\/code>#<\/p>\n

\u6539\u53d8IO\u8c03\u5ea6\u5668<\/span>
\n$<\/span>\u00a0echo<\/span>\u00a0deadline\u00a0>\u00a0\/sys\/block\/sdX\/queue\/scheduler<\/span>
\n#<\/span>\u63d0\u9ad8\u8c03\u5ea6\u5668\u8bf7\u6c42\u961f\u5217\u7684<\/span>
\n$<\/span>\u00a0echo<\/span>\u00a04096\u00a0>\u00a0\/sys\/block\/sdX\/queue\/nr_requests<\/span>
\n<\/code><\/section>\n

\u6027\u80fd\u76f8\u5173<\/span><\/h4>\n
#\u67e5\u770b\u5f53\u524d\u7cfb\u7edfload<\/span>
\nuptime<\/code><\/code>#\u67e5\u770b\u7cfb\u7edf\u72b6\u6001\u548c\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u7cfb\u7edf\u8d44\u6e90\u4f7f\u7528\u72b6\u51b5<\/span>
\ntop<\/p>\n

<\/code><\/code>#\u53ef\u89c6\u5316\u663e\u793aCPU\u7684\u4f7f\u7528\u72b6\u51b5<\/span>
\nhtop<\/p>\n

<\/code><\/code>#\u67e5\u770b\u6bcf\u4e2aCPU\u7684\u8d1f\u8f7d\u4fe1\u606f<\/span>
\nmpstat\u00a0-P\u00a0ALL\u00a01<\/span><\/p>\n

<\/code><\/code>#\u6bcf\u96941\u79d2\u67e5\u770b\u78c1\u76d8IO\u7684\u7edf\u8ba1\u4fe1\u606f<\/span>
\niostat\u00a0-xkdz\u00a01<\/span><\/p>\n

<\/code><\/code>#\u6bcf\u9694\u4e00\u79d2\u67e5\u770b\u865a\u62df\u5185\u5b58\u7684\u4f7f\u7528\u4fe1\u606f<\/span>
\nvmstat\u00a01<\/span><\/p>\n

<\/code><\/code>#\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u7edf\u8ba1\u4fe1\u606f<\/span>
\nfree<\/p>\n

<\/code><\/code>#\u67e5\u770b\u7f51\u7edc\u4f7f\u7528\u4fe1\u606f<\/span>
\nnicstat\u00a0-z\u00a01<\/span><\/p>\n

<\/code><\/code>#\u7c7b\u4f3cvmstat\u7684\u663e\u793a\u4f18\u5316\u7684\u5de5\u5177<\/span>
\ndstat\u00a01<\/span><\/p>\n

<\/code><\/code>#\u67e5\u770b\u7cfb\u7edf\u6d3b\u52a8\u72b6\u6001\uff0c\u6bd4\u5982\u7cfb\u7edf\u5206\u9875\u7edf\u8ba1\uff0c\u5757\u8bbe\u5907IO\u7edf\u8ba1\u7b49<\/span>
\nsar<\/p>\n

<\/code><\/code>#\u7f51\u7edc\u8fde\u63a5\u72b6\u6001\u67e5\u770b<\/span>
\nnetstat\u00a0-s<\/p>\n

<\/code><\/code>#\u8fdb\u7a0b\u8d44\u6e90\u4f7f\u7528\u4fe1\u606f\u67e5\u770b<\/span>
\npidstat\u00a01<\/span>
\npidstat\u00a0-d\u00a01<\/span><\/p>\n

<\/code><\/code>#\u67e5\u770b\u67d0\u4e2a\u8fdb\u7a0b\u7684\u7cfb\u7edf\u8c03\u7528\u4fe1\u606f\u00a0-p\u540e\u9762\u662f\u8fdb\u7a0bid\uff0c-tttT\u00a0\u8fdb\u7a0b\u7cfb\u7edf\u540e\u7684\u7cfb\u7edf\u8c03\u7528\u65f6\u95f4<\/span>
\nstrace\u00a0-tttT\u00a0-p\u00a012670<\/span>
\n#\u7edf\u8ba1IO\u8bbe\u5907\u8f93\u5165\u8f93\u51fa\u7684\u7cfb\u7edf\u8c03\u7528\u4fe1\u606f<\/span>
\nstrace\u00a0-c\u00a0dd\u00a0if<\/span>=\/dev\/zero\u00a0of<\/span>=\/dev\/null<\/span>\u00a0bs=512<\/span>\u00a0count=1024<\/span>k<\/p>\n

<\/code><\/code>#tcpdump\u00a0\u67e5\u770b\u7f51\u7edc\u6570\u636e\u5305<\/span>
\ntcpdump\u00a0-nr\u00a0\/tmp\/out.tcpdump<\/p>\n

<\/code><\/code>#\u5757\u8bbe\u5907\u7684\u8bfb\u5199\u4e8b\u4ef6\u4fe1\u606f\u7edf\u8ba1<\/span>
\nbtrace\u00a0\/dev\/sdb<\/p>\n

<\/code><\/code>#iotop\u67e5\u770b\u67d0\u4e2a\u8fdb\u7a0b\u7684IO\u64cd\u4f5c\u7edf\u8ba1\u4fe1\u606f<\/span>
\niotop\u00a0-bod5<\/p>\n

<\/code><\/code>#slabtop\u00a0\u67e5\u770b\u5185\u6838\u00a0slab\u5185\u5b58\u5206\u914d\u5668\u7684\u4f7f\u7528\u4fe1\u606f<\/span>
\nslabtop\u00a0-sc<\/p>\n

<\/code><\/code>#\u7cfb\u7edf\u53c2\u6570\u8bbe\u7f6e<\/span>
\nsysctl\u00a0-a<\/p>\n

<\/code><\/code>#\u7cfb\u7edf\u6027\u80fd\u6307\u6807\u7edf\u8ba1\u4fe1\u606f<\/span>
\nperf\u00a0stat\u00a0gzip\u00a0file1
\n#\u7cfb\u7edfcpu\u6d3b\u52a8\u72b6\u6001\u67e5\u770b<\/span>
\nperf\u00a0record\u00a0-a\u00a0-g\u00a0-F\u00a0997<\/span>\u00a0sleep\u00a010<\/span><\/p>\n<\/section>\n

\u8fdb\u7a0b\u76f8\u5173<\/span><\/h4>\n
#<\/span>#\u00a0processes\u00a0\u00a0\u8fdb\u7a0b\u7ba1\u7406<\/span><\/span>
\n
\n#<\/span>#ps\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u6267\u884c\u7684\u7ebf\u7a0b\u5217\u8868\uff0c\u8fdb\u884c\u77ac\u95f4\u72b6\u6001\uff0c\u4e0d\u662f\u8fde\u7eed\u72b6\u6001\uff0c\u8fde\u7eed\u72b6\u6001\u9700\u8981\u4f7f\u7528top\u540d\u79f0\u67e5\u770b\u00a0\u00a0\u66f4\u591a\u5e38\u7528\u53c2\u6570\u8bf7\u4f7f\u7528\u00a0man\u00a0ps\u67e5\u770b<\/span><\/span>
\nps
\n
\n#<\/span>#\u663e\u793a\u6240\u6709\u8fdb\u7a0b\u8be6\u7ec6\u4fe1\u606f<\/span><\/span>
\nps\u00a0aux
\n
\n#<\/span>#-u\u00a0\u663e\u793a\u67d0\u4e2a\u7528\u6237\u7684\u8fdb\u7a0b\u5217\u8868<\/span><\/span>
\nps\u00a0-f\u00a0-u\u00a0www-data
\n
\n#<\/span>#\u00a0-C\u00a0\u901a\u8fc7\u540d\u5b57\u6216\u8005\u547d\u4ee4\u641c\u7d22\u8fdb\u7a0b<\/span><\/span>
\nps\u00a0-C\u00a0apache2
\n
\n#<\/span>#\u00a0--sort\u00a0\u00a0\u6839\u636e\u8fdb\u7a0bcpu\u4f7f\u7528\u7387\u964d\u5e8f\u6392\u5217\uff0c\u67e5\u770b\u524d5\u4e2a\u8fdb\u7a0b\u00a0\u00a0-pcpu\u8868\u793a\u964d\u5e8f\u00a0\u00a0pcpu\u5347\u5e8f<\/span><\/span>
\nps\u00a0aux\u00a0--sort=-pcpu\u00a0|\u00a0head\u00a0-5
\n
\n#<\/span>#-f\u00a0\u7528\u6811\u7ed3\u6784\u663e\u793a\u8fdb\u7a0b\u7684\u5c42\u6b21\u5173\u7cfb\uff0c\u7236\u5b50\u8fdb\u7a0b\u60c5\u51b5\u4e0b<\/span><\/span>
\nps\u00a0-f\u00a0--forest\u00a0-C\u00a0apache2
\n
\n#<\/span>#\u663e\u793a\u4e00\u4e2a\u7236\u8fdb\u7a0b\u7684\u6240\u6709\u5b50\u8fdb\u7a0b<\/span><\/span>
\nps\u00a0-o\u00a0pid,uname,comm\u00a0-C\u00a0apache2
\nps\u00a0--ppid\u00a02359
\n
\n#<\/span>#\u663e\u793a\u4e00\u4e2a\u8fdb\u7a0b\u7684\u6240\u6709\u7ebf\u7a0b\u00a0\u00a0-L\u00a0\u53c2\u6570<\/span><\/span>
\nps\u00a0-p\u00a03150\u00a0-L
\n
\n#<\/span>#\u663e\u793a\u8fdb\u7a0b\u7684\u6267\u884c\u65f6\u95f4\u00a0-o\u53c2\u6570<\/span><\/span>
\nps\u00a0-e\u00a0-o\u00a0pid,comm,etime
\n
\n#<\/span>#watch\u547d\u4ee4\u53ef\u4ee5\u7528\u6765\u5b9e\u65f6\u6355\u6349ps\u663e\u793a\u8fdb\u7a0b<\/span><\/span>
\nwatch\u00a0-n\u00a01\u00a0'ps\u00a0-e\u00a0-o\u00a0pid,uname,cmd,pmem,pcpu\u00a0--sort=-pmem,-pcpu\u00a0|\u00a0head\u00a0-15'
\n
\n#<\/span>#jobs \u67e5\u770b\u540e\u53f0\u8fd0\u884c\u7684\u8fdb\u7a0b\u00a0 jobs\u547d\u4ee4\u6267\u884c\u7684\u7ed3\u679c\uff0c\uff0b\u8868\u793a\u662f\u4e00\u4e2a\u5f53\u524d\u7684\u4f5c\u4e1a\uff0c\u51cf\u53f7\u8868\u662f\u662f\u4e00\u4e2a\u5f53\u524d\u4f5c\u4e1a\u4e4b\u540e\u7684\u4e00\u4e2a\u4f5c\u4e1a\uff0cjobs -l\u9009\u9879\u53ef\u663e\u793a\u6240\u6709\u4efb\u52a1\u7684PID,jobs\u7684\u72b6\u6001\u53ef\u4ee5\u662frunning, stopped, Terminated,\u4f46\u662f\u5982\u679c\u4efb\u52a1\u88ab\u7ec8\u6b62\u4e86\uff08kill\uff09\uff0cshell \u4ece\u5f53\u524d\u7684shell\u73af\u5883\u5df2\u77e5\u7684\u5217\u8868\u4e2d\u5220\u9664\u4efb\u52a1\u7684\u8fdb\u7a0b\u6807\u8bc6\uff1b\u4e5f\u5c31\u662f\u8bf4\uff0cjobs\u547d\u4ee4\u663e\u793a\u7684\u662f\u5f53\u524dshell\u73af\u5883\u4e2d\u6240\u8d77\u7684\u540e\u53f0\u6b63\u5728\u8fd0\u884c\u6216\u8005\u88ab\u6302\u8d77\u7684\u4efb\u52a1\u4fe1\u606f<\/span><\/span>
\njobs
\n
\n#<\/span>#\u67e5\u770b\u540e\u53f0\u8fd0\u8425\u7684\u8fdb\u7a0b\u53f7<\/span><\/span>
\njobs\u00a0-p
\n
\n#<\/span>#\u67e5\u770b\u73b0\u5728\u88ab\u7ec8\u6b62\u6216\u8005\u9000\u51fa\u7684\u8fdb\u7a0b\u53f7<\/span><\/span>
\njobs\u00a0-n
\n<\/code><\/code>#<\/p>\n

#kill\u547d\u4ee4\u00a0\u7ec8\u6b62\u4e00\u4e2a\u524d\u53f0\u8fdb\u7a0b\u53ef\u4ee5\u4f7f\u7528Ctrl+C\u952e\u00a0\u00a0\u00a0kill\u00a0\u00a0\u901a\u8fc7top\u6216\u8005ps\u83b7\u53d6\u8fdb\u7a0bid\u53f7\u00a0\u00a0kill\u00a0[-s\u00a0\u4fe1\u53f7\u00a0|\u00a0-p\u00a0]\u00a0[\u00a0-a\u00a0]\u00a0\u8fdb\u7a0b\u53f7\u00a0...<\/span><\/span>
\n#<\/span>#\u53d1\u9001\u6307\u5b9a\u7684\u4fe1\u53f7\u5230\u76f8\u5e94\u8fdb\u7a0b\u3002\u4e0d\u6307\u5b9a\u578b\u53f7\u5c06\u53d1\u9001SIGTERM\uff0815\uff09\u7ec8\u6b62\u6307\u5b9a\u8fdb\u7a0b\u3002\u5173\u95ed\u8fdb\u7a0b\u53f712\u7684\u8fdb\u7a0b<\/span><\/span>
\nkill\u00a012
\n<\/code><\/code>#<\/p>\n

#\u7b49\u540c\u4e8e\u5728\u524d\u53f0\u8fd0\u884cPID\u4e3a123\u7684\u8fdb\u7a0b\u65f6\u6309\u4e0bCtrl+C\u952e<\/span><\/span>
\nkill\u00a0-2\u00a0123
\n
\n#<\/span>#\u5982\u679c\u4efb\u65e0\u6cd5\u7ec8\u6b62\u8be5\u7a0b\u5e8f\u53ef\u7528\u201c-KILL\u201d\u00a0\u53c2\u6570\uff0c\u5176\u53d1\u9001\u7684\u4fe1\u53f7\u4e3aSIGKILL(9)\u00a0\uff0c\u5c06\u5f3a\u5236\u7ed3\u675f\u8fdb\u7a0b\u00a0\u00a0<\/span><\/span>
\nkill\u00a0-9\u00a0123
\n
\n#<\/span>#\u5217\u51fa\u6240\u6709\u4fe1\u53f7\u540d\u79f0<\/span><\/span>
\n#<\/span>#HUP\u00a0\u00a0\u00a0\u00a01\u00a0\u00a0\u00a0\u00a0\u7ec8\u7aef\u65ad\u7ebf<\/span><\/span>
\n#<\/span>#INT\u00a0\u00a0\u00a0\u00a0\u00a02\u00a0\u00a0\u00a0\u00a0\u4e2d\u65ad\uff08\u540c\u00a0Ctrl\u00a0+\u00a0C\uff09<\/span><\/span>
\n#<\/span>#QUIT\u00a0\u00a0\u00a0\u00a03\u00a0\u00a0\u00a0\u00a0\u9000\u51fa\uff08\u540c\u00a0Ctrl\u00a0+\u00a0\uff09<\/span><\/span>
\n#<\/span>#TERM\u00a0\u00a0\u00a015\u00a0\u00a0\u00a0\u00a0\u7ec8\u6b62<\/span><\/span>
\n#<\/span>#KILL\u00a0\u00a0\u00a0\u00a09\u00a0\u00a0\u00a0\u00a0\u5f3a\u5236\u7ec8\u6b62<\/span><\/span>
\n#<\/span>#CONT\u00a0\u00a0\u00a018\u00a0\u00a0\u00a0\u00a0\u7ee7\u7eed\uff08\u4e0eSTOP\u76f8\u53cd\uff0c\u00a0fg\/bg\u547d\u4ee4\uff09<\/span><\/span>
\n#<\/span>#STOP\u00a0\u00a0\u00a0\u00a019\u00a0\u00a0\u00a0\u00a0\u6682\u505c\uff08\u540c\u00a0Ctrl\u00a0+\u00a0Z\uff09<\/span><\/span>
\nkill\u00a0-l
\n
\n#<\/span>#\u5f97\u5230\u6307\u5b9a\u4fe1\u53f7\u7684\u6570\u503c<\/span><\/span>
\nkill\u00a0-l\u00a0KILL
\n
\n#<\/span>#\u6740\u6b7b\u6307\u5b9a\u7528\u6237\u6240\u6709\u8fdb\u7a0b<\/span><\/span>
\nkill\u00a0-u\u00a0peidalinux
\nkill\u00a0-9\u00a0$(ps\u00a0-ef\u00a0|\u00a0grep\u00a0peidalinux)
\n
\n#<\/span>#\u5c06\u540e\u53f0\u4e2d\u7684\u547d\u4ee4\u8c03\u81f3\u524d\u53f0\u7ee7\u7eed\u8fd0\u884c\u00a0\u00a0\u5c06\u8fdb\u7a0b123\u8c03\u81f3\u524d\u53f0\u6267\u884c<\/span><\/span>
\nfg\u00a0123
\n
\n#<\/span>#\u5c06\u4e00\u4e2a\u5728\u540e\u53f0\u6682\u505c\u7684\u547d\u4ee4\uff0c\u53d8\u6210\u7ee7\u7eed\u6267\u884c<\/span><\/span>
\nbg\u00a0\u00a0123
\n
\n#<\/span>#\u8be5\u547d\u4ee4\u53ef\u4ee5\u5728\u4f60\u9000\u51fa\u5e10\u6237\/\u5173\u95ed\u7ec8\u7aef\u4e4b\u540e\u7ee7\u7eed\u8fd0\u884c\u76f8\u5e94\u7684\u8fdb\u7a0b\u3002nohup\u5c31\u662f\u4e0d\u6302\u8d77\u7684\u610f\u601d\u00a0\u00a0\u4e0b\u9762\u8f93\u51fa\u88ab\u91cd\u5b9a\u5411\u5230myout.file\u6587\u4ef6\u4e2d<\/span><\/span>
\nnohup\u00a0command\u00a0>\u00a0myout.file\u00a02>&1\u00a0&
\n
\n#<\/span>#at\uff1a\u8ba1\u5212\u4efb\u52a1\uff0c\u5728\u7279\u5b9a\u7684\u65f6\u95f4\u6267\u884c\u67d0\u9879\u5de5\u4f5c\uff0c\u5728\u7279\u5b9a\u7684\u65f6\u95f4\u6267\u884c\u4e00\u6b21\u3002<\/span><\/span>
\n#<\/span>#\u00a0\u683c\u5f0f\uff1aat HH:MM YYYY-MM-DD \/\/HH\uff08\u5c0f\u65f6\uff09:MM\uff08\u5206\u949f\uff09 YYYY\uff08\u5e74\uff09-MM\uff08\u6708\u4efd\uff09-DD\uff08\u65e5\uff09<\/span><\/span>
\n#<\/span>#HH[am\u00a0pm]+D(\u5929)\u00a0days\u00a0\/\/HH\uff08\u5c0f\u65f6\uff09[am\uff08\u4e0a\u5348\uff09pm\uff08\u4e0b\u5348\uff09]+days\uff08\u5929\uff09<\/span><\/span>
\nat\u00a012:00\uff08\u65f6\u95f4\uff09\u00a0\/\/at\u547d\u4ee4\u8bbe\u5b9a12:00\u6267\u884c\u4e00\u9879\u64cd\u4f5c
\n#<\/span>at>useradd\u00a0aaa\u00a0\/\/\u5728at\u547d\u4ee4\u91cc\u8bbe\u5b9a\u6dfb\u52a0\u7528\u6237aaa<\/span>
\n#<\/span>ctrl+d\u00a0\/\/\u9000\u51faat\u547d\u4ee4<\/span>
\n#<\/span>tail\u00a0-f\u00a0\/etc\/passwd\u00a0\/\/\u67e5\u770b\/etc\/passwd\u6587\u4ef6\u540e\u5341\u884c\u662f\u5426\u589e\u52a0\u4e86\u4e00\u4e2a\u7528\u6237aaa<\/span>
\n
\n#<\/span>#\u8ba1\u5212\u4efb\u52a1\u8bbe\u5b9a\u540e\uff0c\u5728\u6ca1\u6709\u6267\u884c\u4e4b\u524d\u6211\u4eec\u53ef\u4ee5\u7528atq\u547d\u4ee4\u6765\u67e5\u770b\u7cfb\u7edf\u6ca1\u6709\u6267\u884c\u5de5\u4f5c\u4efb\u52a1\u3002<\/span><\/span>
\natq
\n
\n#<\/span>#\u542f\u52a8\u8ba1\u5212\u4efb\u52a1\u540e\uff0c\u5982\u679c\u4e0d\u60f3\u542f\u52a8\u8bbe\u5b9a\u597d\u7684\u8ba1\u5212\u4efb\u52a1\u53ef\u4ee5\u4f7f\u7528atrm\u547d\u4ee4\u5220\u9664\u3002<\/span><\/span>
\natrm\u00a01\u00a0\/\/\u5220\u9664\u8ba1\u5212\u4efb\u52a11
\n
\n#<\/span>#pstree\u547d\u4ee4\uff1a\u5217\u51fa\u5f53\u524d\u7684\u8fdb\u7a0b\uff0c\u4ee5\u53ca\u5b83\u4eec\u7684\u6811\u72b6\u7ed3\u6784\u00a0\u00a0\u683c\u5f0f\uff1apstree [\u9009\u9879]\u00a0[pid|user]<\/span><\/span>
\npstree
\n
\n#<\/span>#nice\u547d\u4ee4\uff1a\u6539\u53d8\u7a0b\u5e8f\u6267\u884c\u7684\u4f18\u5148\u6743\u7b49\u7ea7\u00a0\u5e94\u7528\u7a0b\u5e8f\u4f18\u5148\u6743\u503c\u7684\u8303\u56f4\u4ece-20\uff5e19\uff0c\u6570\u5b57\u8d8a\u5c0f\uff0c\u4f18\u5148\u6743\u5c31\u8d8a\u9ad8\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u666e\u901a\u5e94\u7528\u7a0b\u5e8f\u7684\u4f18\u5148\u6743\u503c\uff08CPU\u4f7f\u7528\u6743\u503c\uff09\u90fd\u662f0\uff0c\u5982\u679c\u8ba9\u5e38\u7528\u7a0b\u5e8f\u62e5\u6709\u8f83\u9ad8\u7684\u4f18\u5148\u6743\u7b49\u7ea7\uff0c\u81ea\u7136\u542f\u52a8\u548c\u8fd0\u884c\u901f\u5ea6\u90fd\u4f1a\u5feb\u4e9b\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\u666e\u901a\u7528\u6237\u53ea\u80fd\u57280\uff5e19\u4e4b\u95f4\u8c03\u6574\u5e94\u7528\u7a0b\u5e8f\u7684\u4f18\u5148\u6743\u503c\uff0c\u53ea\u6709\u8d85\u7ea7\u7528\u6237\u6709\u6743\u8c03\u6574\u66f4\u9ad8\u7684\u4f18\u5148\u6743\u503c\uff08\u4ece-20\uff5e19\uff09\u3002<\/span><\/span>
\nnice\u00a0[-n\u00a0<\u4f18\u5148\u7b49\u7ea7>][--help][--version][\u547d\u4ee4]
\nnice\u00a0-n\u00a05\u00a0ls
\n
\n#<\/span>#sleep\u547d\u4ee4\uff1a\u4f7f\u8fdb\u7a0b\u6682\u505c\u6267\u884c\u4e00\u6bb5\u65f6\u95f4<\/span><\/span>
\ndate;sleep\u00a01m;date
\n<\/code><\/code>#<\/p>\n

#renice\u547d\u4ee4 renice\u547d\u4ee4\u5141\u8bb8\u7528\u6237\u4fee\u6539\u4e00\u4e2a\u6b63\u5728\u8fd0\u884c\u8fdb\u7a0b\u7684\u4f18\u5148\u6743\u3002\u5229\u7528renice\u547d\u4ee4\u53ef\u4ee5\u5728\u547d\u4ee4\u6267\u884c\u65f6\u8c03\u6574\u5176\u4f18\u5148\u6743\u3002<\/span><\/span>
\n#<\/span>#\u5176\u4e2d\uff0c\u53c2\u6570number\u4e0enice\u547d\u4ee4\u7684number\u610f\u4e49\u76f8\u540c\u3002\uff081\uff09\u00a0\u7528\u6237\u53ea\u80fd\u5bf9\u81ea\u5df1\u6240\u6709\u7684\u8fdb\u7a0b\u4f7f\u7528renice\u547d\u4ee4\u3002\uff082\uff09 root\u7528\u6237\u53ef\u4ee5\u5728\u4efb\u4f55\u8fdb\u7a0b\u4e0a\u4f7f\u7528renice\u547d\u4ee4\u3002\uff083\uff09\u00a0\u53ea\u6709root\u7528\u6237\u624d\u80fd\u63d0\u9ad8\u8fdb\u7a0b\u7684\u4f18\u5148\u6743<\/span><\/span>
\nrenice\u00a0-5\u00a0-p\u00a05200\u00a0\u00a0#PID\u4e3a5200\u7684\u8fdb\u7a0bnice\u8bbe\u4e3a-5
\n
\n#<\/span>#pmap\u547d\u4ee4\u7528\u4e8e\u663e\u793a\u4e00\u4e2a\u6216\u591a\u4e2a\u8fdb\u7a0b\u7684\u5185\u5b58\u72b6\u6001\u3002\u5176\u62a5\u544a\u8fdb\u7a0b\u7684\u5730\u5740\u7a7a\u95f4\u548c\u5185\u5b58\u72b6\u6001\u4fe1\u606f\u00a0#pmap PID <\/span><\/span>
\npmap\u00a020367
\n<\/code><\/section>\n

javadump.sh<\/span><\/h4>\n
#!\/bin\/sh
\n<\/span>
\nDUMP_PIDS=`ps\u00a0\u00a0--no-heading\u00a0-C\u00a0java\u00a0-f\u00a0--width\u00a01000\u00a0|awk\u00a0'{print\u00a0$2}'<\/span>`
\nif<\/span>\u00a0[\u00a0-z\u00a0\"$DUMP_PIDS<\/span>\"<\/span>\u00a0];\u00a0then<\/span>
\necho<\/span>\u00a0\"The\u00a0server\u00a0$HOST_NAME<\/span>\u00a0is\u00a0not\u00a0started!\"<\/span>
\nexit<\/span>\u00a01;
\nfi<\/span><\/code><\/code>DUMP_ROOT=~\/dump
\nif<\/span>\u00a0[\u00a0!\u00a0-d\u00a0$DUMP_ROOT<\/span>\u00a0];\u00a0then<\/span>
\nmkdir\u00a0$DUMP_ROOT<\/span>
\nfi<\/span><\/p>\n

<\/code><\/code>DUMP_DATE=`date\u00a0+%Y%m%d%H%M%S`
\nDUMP_DIR=$DUMP_ROOT<\/span>\/dump-$DUMP_DATE<\/span>
\nif<\/span>\u00a0[\u00a0!\u00a0-d\u00a0$DUMP_DIR<\/span>\u00a0];\u00a0then<\/span>
\nmkdir\u00a0$DUMP_DIR<\/span>
\nfi<\/span><\/p>\n

<\/code><\/code>for<\/span>\u00a0PID\u00a0in<\/span>\u00a0$DUMP_PIDS<\/span>\u00a0;\u00a0do<\/span>
\n#Full\u00a0thread\u00a0dump\u00a0\u7528\u6765\u67e5\u7ebf\u7a0b\u5360\u7528\uff0c\u6b7b\u9501\u7b49\u95ee\u9898<\/span>
\n$JAVA_HOME<\/span>\/bin\/jstack\u00a0$PID<\/span>\u00a0>\u00a0$DUMP_DIR<\/span>\/jstack-$PID<\/span>.dump\u00a02>&1
\necho<\/span>\u00a0-e\u00a0“.c”<\/span>
\n#\u6253\u5370\u51fa\u4e00\u4e2a\u7ed9\u5b9a\u7684Java\u8fdb\u7a0b\u3001Java core\u6587\u4ef6\u6216\u8fdc\u7a0bDebug\u670d\u52a1\u5668\u7684Java\u914d\u7f6e\u4fe1\u606f\uff0c\u5177\u4f53\u5305\u62ecJava\u7cfb\u7edf\u5c5e\u6027\u548cJVM\u547d\u4ee4\u884c\u53c2\u6570\u3002<\/span>
\n$JAVA_HOME<\/span>\/bin\/jinfo\u00a0$PID<\/span>\u00a0>\u00a0$DUMP_DIR<\/span>\/jinfo-$PID<\/span>.dump\u00a02>&1
\necho<\/span>\u00a0-e\u00a0“.c”<\/span>
\n#jstat\u80fd\u591f\u52a8\u6001\u6253\u5370jvm(Java Virtual Machine Statistics Monitoring Tool)\u7684\u76f8\u5173\u7edf\u8ba1\u4fe1\u606f\u3002\u5982young gc\u6267\u884c\u7684\u6b21\u6570\u3001full gc\u6267\u884c\u7684\u6b21\u6570\uff0c\u5404\u4e2a\u5185\u5b58\u5206\u533a\u7684\u7a7a\u95f4\u5927\u5c0f\u548c\u53ef\u4f7f\u7528\u91cf\u7b49\u4fe1\u606f\u3002<\/span>
\n$JAVA_HOME<\/span>\/bin\/jstat\u00a0-gcutil\u00a0$PID<\/span>\u00a0>\u00a0$DUMP_DIR<\/span>\/jstat-gcutil-$PID<\/span>.dump\u00a02>&1
\necho<\/span>\u00a0-e\u00a0“.c”<\/span>
\n$JAVA_HOME<\/span>\/bin\/jstat\u00a0-gccapacity\u00a0$PID<\/span>\u00a0>\u00a0$DUMP_DIR<\/span>\/jstat-gccapacity-$PID<\/span>.dump\u00a02>&1
\necho<\/span>\u00a0-e\u00a0“.c”<\/span>
\n#\u672a\u6307\u5b9a\u9009\u9879\u65f6\uff0cjmap\u6253\u5370\u5171\u4eab\u5bf9\u8c61\u7684\u6620\u5c04\u3002\u5bf9\u6bcf\u4e2a\u76ee\u6807VM\u52a0\u8f7d\u7684\u5171\u4eab\u5bf9\u8c61\uff0c\u5176\u8d77\u59cb\u5730\u5740\u3001\u6620\u5c04\u5927\u5c0f\u53ca\u5171\u4eab\u5bf9\u8c61\u6587\u4ef6\u7684\u5b8c\u6574\u8def\u5f84\u5c06\u88ab\u6253\u5370\u51fa\u6765\uff0c\u00a0\u00a0<\/span>
\n$JAVA_HOME<\/span>\/bin\/jmap\u00a0$PID<\/span>\u00a0>\u00a0$DUMP_DIR<\/span>\/jmap-$PID<\/span>.dump\u00a02>&1
\necho<\/span>\u00a0-e\u00a0“.c”<\/span>
\n#-heap\u6253\u5370\u5806\u60c5\u51b5\u7684\u6982\u8981\u4fe1\u606f\uff0c\u5305\u62ec\u5806\u914d\u7f6e\uff0c\u5404\u5806\u7a7a\u95f4\u7684\u5bb9\u91cf\u3001\u5df2\u4f7f\u7528\u548c\u7a7a\u95f2\u60c5\u51b5\u00a0\u00a0<\/span>
\n$JAVA_HOME<\/span>\/bin\/jmap\u00a0-heap\u00a0$PID<\/span>\u00a0>\u00a0$DUMP_DIR<\/span>\/jmap-heap-$PID<\/span>.dump\u00a02>&1
\necho<\/span>\u00a0-e\u00a0“.c”<\/span>
\n#-dump\u5c06jvm\u7684\u5806\u4e2d\u5185\u5b58\u4fe1\u606f\u8f93\u51fa\u5230\u4e00\u4e2a\u6587\u4ef6\u4e2d,\u7136\u540e\u53ef\u4ee5\u901a\u8fc7eclipse\u00a0memory\u00a0analyzer\u8fdb\u884c\u5206\u6790<\/span>
\n#\u6ce8\u610f\uff1a\u8fd9\u4e2ajmap\u4f7f\u7528\u7684\u65f6\u5019jvm\u662f\u5904\u5728\u5047\u6b7b\u72b6\u6001\u7684\uff0c\u53ea\u80fd\u5728\u670d\u52a1\u762b\u75ea\u7684\u65f6\u5019\u4e3a\u4e86\u89e3\u51b3\u95ee\u9898\u6765\u4f7f\u7528\uff0c\u5426\u5219\u4f1a\u9020\u6210\u670d\u52a1\u4e2d\u65ad\u3002<\/span>
\n$JAVA_HOME<\/span>\/bin\/jmap\u00a0-dump:format=b,file=$DUMP_DIR<\/span>\/jmap-dump-$PID<\/span>.dump\u00a0$PID<\/span>\u00a02>&1
\necho<\/span>\u00a0-e\u00a0“.c”<\/span>
\n#\u663e\u793a\u88ab\u8fdb\u7a0b\u6253\u5f00\u7684\u6587\u4ef6\u4fe1\u606f<\/span>
\nif<\/span>\u00a0[\u00a0-r\u00a0\/usr\/sbin\/lsof\u00a0];\u00a0then<\/span>
\n\/usr\/sbin\/lsof\u00a0-p\u00a0$PID<\/span>\u00a0>\u00a0$DUMP_DIR<\/span>\/lsof-$PID<\/span>.dump
\necho<\/span>\u00a0-e\u00a0“.c”<\/span>
\nfi<\/span>
\ndone<\/span>
\n#\u4e3b\u8981\u8d1f\u8d23\u6536\u96c6\u3001\u6c47\u62a5\u4e0e\u5b58\u50a8\u7cfb\u7edf\u8fd0\u884c\u4fe1\u606f\u7684\u3002<\/span>
\nif<\/span>\u00a0[\u00a0-r\u00a0\/usr\/bin\/sar\u00a0];\u00a0then<\/span>
\n\/usr\/bin\/sar\u00a0>\u00a0$DUMP_DIR<\/span>\/sar.dump
\necho<\/span>\u00a0-e\u00a0“.c”<\/span>
\nfi<\/span>
\n#\u4e3b\u8981\u8d1f\u8d23\u6536\u96c6\u3001\u6c47\u62a5\u4e0e\u5b58\u50a8\u7cfb\u7edf\u8fd0\u884c\u4fe1\u606f\u7684\u3002<\/span>
\nif<\/span>\u00a0[\u00a0-r\u00a0\/usr\/bin\/uptime\u00a0];\u00a0then<\/span>
\n\/usr\/bin\/uptime\u00a0>\u00a0$DUMP_DIR<\/span>\/uptime.dump
\necho<\/span>\u00a0-e\u00a0“.c”<\/span>
\nfi<\/span>
\n#\u5185\u5b58\u67e5\u770b<\/span>
\nif<\/span>\u00a0[\u00a0-r\u00a0\/usr\/bin\/free\u00a0];\u00a0then<\/span>
\n\/usr\/bin\/free\u00a0-t\u00a0>\u00a0$DUMP_DIR<\/span>\/free.dump
\necho<\/span>\u00a0-e\u00a0“.c”<\/span>
\nfi<\/span>
\n#\u53ef\u4ee5\u5f97\u5230\u5173\u4e8e\u8fdb\u7a0b\u3001\u5185\u5b58\u3001\u5185\u5b58\u5206\u9875\u3001\u5835\u585eIO\u3001traps\u53caCPU\u6d3b\u52a8\u7684\u4fe1\u606f\u3002<\/span>
\nif<\/span>\u00a0[\u00a0-r\u00a0\/usr\/bin\/vmstat\u00a0];\u00a0then<\/span>
\n\/usr\/bin\/vmstat\u00a0>\u00a0$DUMP_DIR<\/span>\/vmstat.dump
\necho<\/span>\u00a0-e\u00a0“.c”<\/span>
\nfi<\/span>
\n#\u62a5\u544a\u4e0eCPU\u76f8\u5173\u7684\u4e00\u4e9b\u7edf\u8ba1\u4fe1\u606f<\/span>
\nif<\/span>\u00a0[\u00a0-r\u00a0\/usr\/bin\/mpstat\u00a0];\u00a0then<\/span>
\n\/usr\/bin\/mpstat\u00a0>\u00a0$DUMP_DIR<\/span>\/mpstat.dump
\necho<\/span>\u00a0-e\u00a0“.c”<\/span>
\nfi<\/span>
\n#\u62a5\u544a\u4e0eIO\u76f8\u5173\u7684\u4e00\u4e9b\u7edf\u8ba1\u4fe1\u606f<\/span>
\nif<\/span>\u00a0[\u00a0-r\u00a0\/usr\/bin\/iostat\u00a0];\u00a0then<\/span>
\n\/usr\/bin\/iostat\u00a0>\u00a0$DUMP_DIR<\/span>\/iostat.dump
\necho<\/span>\u00a0-e\u00a0“.c”<\/span>
\nfi<\/span>
\n#\u62a5\u544a\u4e0e\u7f51\u7edc\u76f8\u5173\u7684\u4e00\u4e9b\u7edf\u8ba1\u4fe1\u606f<\/span>
\nif<\/span>\u00a0[\u00a0-r\u00a0\/bin\/netstat\u00a0];\u00a0then<\/span>
\n\/bin\/netstat\u00a0>\u00a0$DUMP_DIR<\/span>\/netstat.dump
\necho<\/span>\u00a0-e\u00a0“.c”<\/span>
\nfi<\/span>
\necho<\/span>\u00a0“OK!”<\/span><\/p>\n<\/section>\n

\u5e38\u7528\u5de5\u5177\u5b89\u88c5<\/span><\/h4>\n
#!\/usr\/bin\/env\u00a0bash
\n<\/span>
\n#\u00a0---------------------------------------------------------------------------------<\/span>
\n#\u00a0\u63a7\u5236\u53f0\u989c\u8272<\/span>
\nBLACK=\"\ufffd33[1;30m\"<\/span>
\nRED=\"\ufffd33[1;31m\"<\/span>
\nGREEN=\"\ufffd33[1;32m\"<\/span>
\nYELLOW=\"\ufffd33[1;33m\"<\/span>
\nBLUE=\"\ufffd33[1;34m\"<\/span>
\nPURPLE=\"\ufffd33[1;35m\"<\/span>
\nCYAN=\"\ufffd33[1;36m\"<\/span>
\nRESET=\"$(tput\u00a0sgr0)<\/span>\"<\/span>
\n#\u00a0---------------------------------------------------------------------------------<\/span><\/code><\/code>printf<\/span>\u00a0“${BLUE}<\/span>n”<\/span>
\ncat\u00a0<<\u00a0EOF
\n###################################################################################<\/span>
\n#\u00a0\u5b89\u88c5\u5e38\u7528\u547d\u4ee4\u5de5\u5177<\/span>
\n#\u00a0\u547d\u4ee4\u5de5\u5177\u6e05\u5355\u5982\u4e0b\uff1a<\/span>
\n#\u00a0\u6838\u5fc3\u5de5\u5177\uff1adf\u3001du\u3001chkconfig<\/span>
\n#\u00a0\u7f51\u7edc\u5de5\u5177\uff1aifconfig\u3001netstat\u3001route\u3001iptables<\/span>
\n# IP\u5de5\u5177\uff1aip\u3001ss\u3001ping\u3001tracepath\u3001traceroute<\/span>
\n# DNS\u5de5\u5177\uff1adig\u3001host\u3001nslookup\u3001whois<\/span>
\n#\u00a0\u7aef\u53e3\u5de5\u5177\uff1alsof\u3001nc\u3001telnet<\/span>
\n#\u00a0\u4e0b\u8f7d\u5de5\u5177\uff1acurl\u3001wget<\/span>
\n#\u00a0\u7f16\u8f91\u5de5\u5177\uff1aemacs\u3001vim<\/span>
\n#\u00a0\u6d41\u91cf\u5de5\u5177\uff1aiftop\u3001nethogs<\/span>
\n#\u00a0\u6293\u5305\u5de5\u5177\uff1atcpdump<\/span>
\n#\u00a0\u538b\u7f29\u5de5\u5177\uff1aunzip\u3001zip<\/span>
\n#\u00a0\u7248\u672c\u63a7\u5236\u5de5\u5177\uff1agit\u3001subversion<\/span>
\n#<\/span>
\n###################################################################################<\/span>
\nEOF
\nprintf<\/span>\u00a0“${RESET}<\/span>n”<\/span><\/p>\n

<\/code><\/code>printf<\/span>\u00a0“n${GREEN}<\/span>>>>>>>>>>\u00a0\u5b89\u88c5\u5e38\u7528\u547d\u4ee4\u5de5\u5177\u5f00\u59cb${RESET}<\/span>n”<\/span><\/p>\n

<\/code><\/code>#\u00a0\u6838\u5fc3\u5de5\u5177<\/span>
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0coreutils(df\u3001du)${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0coreutils
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0chkconfig${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0chkconfig<\/p>\n

<\/code><\/code>#\u00a0\u7f51\u7edc\u5de5\u5177<\/span>
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0net-tools(ifconfig\u3001netstat\u3001route)${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0net-tools
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0iptables${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0iptables<\/p>\n

<\/code><\/code>#\u00a0IP\u5de5\u5177<\/span>
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0iputils(ping\u3001tracepath)${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0iputils
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0traceroute${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0traceroute
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0iproute(ip\u3001ss)${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0iproute<\/p>\n

<\/code><\/code>#\u00a0\u7aef\u53e3\u5de5\u5177<\/span>
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0lsof${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0lsof
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0nc${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0nc
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0netstat${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0netstat<\/p>\n

<\/code><\/code>#\u00a0DNS\u5de5\u5177<\/span>
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0bind-utils(dig\u3001host\u3001nslookup)${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0bind<\/span>-utils
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0whois${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0whois<\/p>\n

<\/code><\/code>#\u00a0\u4e0b\u8f7d\u5de5\u5177<\/span>
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0curl${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0curl
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0wget${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0wget<\/p>\n

<\/code><\/code>#\u00a0\u7f16\u8f91\u5de5\u5177<\/span>
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0emacs${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0emacs
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0vim${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0vim<\/p>\n

<\/code><\/code>#\u00a0\u6d41\u91cf\u5de5\u5177<\/span>
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0iftop${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0iftop
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0nethogs${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0nethogs<\/p>\n

<\/code><\/code>#\u00a0\u6293\u5305\u5de5\u5177<\/span>
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0tcpdump${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0tcpdump<\/p>\n

<\/code><\/code>#\u00a0\u538b\u7f29\u5de5\u5177<\/span>
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0unzip${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0unzip<\/p>\n

<\/code><\/code>#\u00a0\u7248\u672c\u63a7\u5236\u5de5\u5177<\/span>
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0git${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0git
\nprintf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0subversion${RESET}<\/span>n”<\/span>
\nyum\u00a0install\u00a0-y\u00a0subversion<\/p>\n

<\/code><\/code>printf<\/span>\u00a0“n${GREEN}<\/span><<<<<<<<\u00a0\u5b89\u88c5\u5e38\u7528\u547d\u4ee4\u5de5\u5177\u7ed3\u675f${RESET}<\/span>n”<\/span><\/p>\n<\/section>\n

\u5e38\u7528lib\u5e93\u5b89\u88c5<\/span><\/h4>\n
#!\/usr\/bin\/env\u00a0bash
\n<\/span>
\n#\u00a0---------------------------------------------------------------------------------<\/span>
\n#\u00a0\u63a7\u5236\u53f0\u989c\u8272<\/span>
\nBLACK=\"\ufffd33[1;30m\"<\/span>
\nRED=\"\ufffd33[1;31m\"<\/span>
\nGREEN=\"\ufffd33[1;32m\"<\/span>
\nYELLOW=\"\ufffd33[1;33m\"<\/span>
\nBLUE=\"\ufffd33[1;34m\"<\/span>
\nPURPLE=\"\ufffd33[1;35m\"<\/span>
\nCYAN=\"\ufffd33[1;36m\"<\/span>
\nRESET=\"$(tput\u00a0sgr0)<\/span>\"<\/span>
\n#\u00a0---------------------------------------------------------------------------------<\/span><\/code><\/code>printf<\/span>\u00a0“${BLUE}<\/span>n”<\/span>
\ncat\u00a0<<\u00a0EOF
\n###################################################################################<\/span>
\n#\u00a0\u5b89\u88c5\u5e38\u89c1\u00a0lib<\/span>
\n#\u00a0\u5982\u679c\u4e0d\u77e5\u9053\u547d\u4ee4\u5728\u54ea\u4e2a\u00a0lib\uff0c\u53ef\u4ee5\u4f7f\u7528\u00a0yum\u00a0search\u00a0xxx\u00a0\u6765\u67e5\u627e<\/span>
\n# lib \u6e05\u5355\u5982\u4e0b\uff1a<\/span>
\n#\u00a0gcc\u00a0gcc-c++\u00a0kernel-devel\u00a0libtool<\/span>
\n#\u00a0openssl\u00a0openssl-devel<\/span>
\n#\u00a0zlib\u00a0zlib-devel<\/span>
\n#\u00a0pcre<\/span>
\n###################################################################################<\/span>
\nEOF
\nprintf<\/span>\u00a0“${RESET}<\/span>n”<\/span><\/p>\n

<\/code><\/code>printf<\/span>\u00a0“n${GREEN}<\/span>>>>>>>>>>\u00a0\u5b89\u88c5\u5e38\u89c1\u00a0lib\u00a0\u5f00\u59cb${RESET}<\/span>n”<\/span><\/p>\n

<\/code><\/code>printf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0gcc\u00a0gcc-c++\u00a0kernel-devel\u00a0libtool${RESET}<\/span>n”<\/span>
\nyum\u00a0-y\u00a0install\u00a0make\u00a0gcc\u00a0gcc-c++\u00a0kernel-devel\u00a0libtool<\/p>\n

<\/code><\/code>printf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0openssl\u00a0openssl-devel${RESET}<\/span>n”<\/span>
\nyum\u00a0-y\u00a0install\u00a0make\u00a0openssl\u00a0openssl-devel<\/p>\n

<\/code><\/code>printf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0zlib\u00a0zlib-devel${RESET}<\/span>n”<\/span>
\nyum\u00a0-y\u00a0install\u00a0make\u00a0zlib\u00a0zlib-devel<\/p>\n

<\/code><\/code>printf<\/span>\u00a0“n${CYAN}<\/span>>>>>\u00a0install\u00a0pcre${RESET}<\/span>n”<\/span>
\nyum\u00a0-y\u00a0install\u00a0pcre<\/p>\n

<\/code><\/code>printf<\/span>\u00a0“n${GREEN}<\/span><<<<<<<<\u00a0\u5b89\u88c5\u5e38\u89c1\u00a0lib\u00a0\u7ed3\u675f${RESET}<\/span>n”<\/span><\/p>\n<\/section>\n

\u7cfb\u7edf\u68c0\u67e5\u811a\u672c<\/span><\/h4>\n
#!\/usr\/bin\/env\u00a0bash
\n<\/span>
\n##############################################################################<\/span>
\n#\u00a0console\u00a0color<\/span>
\nC_RESET=\"$(tput\u00a0sgr0)<\/span>\"<\/span>
\nC_BLACK=\"\ufffd33[1;30m\"<\/span>
\nC_RED=\"\ufffd33[1;31m\"<\/span>
\nC_GREEN=\"\ufffd33[1;32m\"<\/span>
\nC_YELLOW=\"\ufffd33[1;33m\"<\/span>
\nC_BLUE=\"\ufffd33[1;34m\"<\/span>
\nC_PURPLE=\"\ufffd33[1;35m\"<\/span>
\nC_CYAN=\"\ufffd33[1;36m\"<\/span>
\nC_WHITE=\"\ufffd33[1;37m\"<\/span>
\n##############################################################################<\/span><\/code><\/code>printf<\/span>\u00a0“${C_PURPLE}<\/span>“<\/span>
\ncat\u00a0<<\u00a0EOF
\n###################################################################################<\/span>
\n#\u00a0\u7cfb\u7edf\u4fe1\u606f\u68c0\u67e5\u811a\u672c<\/span>
\n###################################################################################<\/span>
\nEOF
\nprintf<\/span>\u00a0“${C_RESET}<\/span>“<\/span><\/p>\n

<\/code><\/code>[[\u00a0$(id\u00a0-u)\u00a0-gt\u00a00\u00a0]]\u00a0&&\u00a0echo<\/span>\u00a0“\u8bf7\u7528root\u7528\u6237\u6267\u884c\u6b64\u811a\u672c\uff01”<\/span>\u00a0&&\u00a0exit<\/span>\u00a01
\nsysversion=$(rpm\u00a0-q\u00a0centos-release\u00a0|\u00a0cut\u00a0-d-\u00a0-f3)
\ndouble_line=“===============================================================”<\/span>
\nline=“———————————————-“<\/span><\/p>\n

<\/code><\/code>#\u00a0\u6253\u5370\u5934\u90e8\u4fe1\u606f<\/span>
\nprintHeadInfo<\/span><\/span>()\u00a0{
\ncat\u00a0<<\u00a0EOF
\n+———————————————————————————+
\n|\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6b22\u8fce\u4f7f\u7528\u00a0\u3010\u7cfb\u7edf\u4fe1\u606f\u68c0\u67e5\u811a\u672c\u3011\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0|
\n+———————————————————————————+
\nEOF
\n}<\/p>\n

<\/code><\/code>#\u00a0\u6253\u5370\u5c3e\u90e8\u4fe1\u606f<\/span>
\nprintFootInfo<\/span><\/span>()\u00a0{
\ncat\u00a0<<\u00a0EOF
\n+———————————————————————————+
\n|\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u811a\u672c\u6267\u884c\u7ed3\u675f\uff0c\u611f\u8c22\u4f7f\u7528\uff01|
\n+———————————————————————————+
\nEOF
\n}<\/p>\n

<\/code><\/code>options=(\u00a0“\u83b7\u53d6\u7cfb\u7edf\u4fe1\u606f”<\/span>\u00a0“\u83b7\u53d6\u670d\u52a1\u4fe1\u606f”<\/span>\u00a0“\u83b7\u53d6CPU\u4fe1\u606f”<\/span>\u00a0“\u83b7\u53d6\u7cfb\u7edf\u7f51\u7edc\u4fe1\u606f”<\/span>\u00a0“\u83b7\u53d6\u7cfb\u7edf\u5185\u5b58\u4fe1\u606f”<\/span>\u00a0“\u83b7\u53d6\u7cfb\u7edf\u78c1\u76d8\u4fe1\u606f”<\/span>\u00a0“\u83b7\u53d6CPU\/\u5185\u5b58\u5360\u7528TOP10”<\/span>\u00a0“\u83b7\u53d6\u7cfb\u7edf\u7528\u6237\u4fe1\u606f”<\/span>\u00a0“\u8f93\u51fa\u6240\u6709\u4fe1\u606f”<\/span>\u00a0“\u9000\u51fa”<\/span>\u00a0)
\nprintMenu<\/span><\/span>()\u00a0{
\nprintf<\/span>\u00a0“${C_BLUE}<\/span>“<\/span>
\nprintf<\/span>\u00a0“\u4e3b\u83dc\u5355\uff1an”<\/span>
\nfor<\/span>\u00a0i\u00a0in<\/span>\u00a0“${!options[@]}<\/span>“<\/span>;\u00a0do<\/span>
\nindex=`expr\u00a0${i}<\/span>\u00a0+\u00a01`
\nval=`expr\u00a0${index}<\/span>\u00a0%\u00a02`
\nprintf<\/span>\u00a0“t(%02d)\u00a0%-30s”<\/span>\u00a0“${index}<\/span>“<\/span>\u00a0“${options[$i]}<\/span>“<\/span>
\nif<\/span>\u00a0[[\u00a0${val}<\/span>\u00a0-eq\u00a00\u00a0]];\u00a0then<\/span>
\nprintf<\/span>\u00a0“n”<\/span>
\nfi<\/span>
\ndone<\/span>
\nprintf<\/span>\u00a0“${C_BLUE}<\/span>\u8bf7\u8f93\u5165\u9700\u8981\u6267\u884c\u7684\u6307\u4ee4\uff1an”<\/span>
\nprintf<\/span>\u00a0“${C_RESET}<\/span>“<\/span>
\n}<\/p>\n

<\/code><\/code>#\u00a0\u83b7\u53d6\u7cfb\u7edf\u4fe1\u606f<\/span>
\nget_systatus_info<\/span><\/span>()\u00a0{
\nsys_os=$(uname\u00a0-o)
\nsys_release=$(cat\u00a0\/etc\/redhat-release)
\nsys_kernel=$(uname\u00a0-r)
\nsys_hostname=$(hostname)
\nsys_selinux=$(getenforce)
\nsys_lang=$(echo<\/span>\u00a0$LANG<\/span>)
\nsys_lastreboot=$(who\u00a0-b\u00a0|\u00a0awk\u00a0‘{print\u00a0$3,$4}’<\/span>)
\nsys_runtime=$(uptime\u00a0|\u00a0awk\u00a0‘{print\u00a0\u00a0$3,$4}’<\/span>\u00a0|\u00a0cut\u00a0-d,\u00a0-f1)
\nsys_time=$(date)
\nsys_load=$(uptime\u00a0|\u00a0cut\u00a0-d:\u00a0-f5)<\/p>\n

<\/code><\/code>\u00a0\u00a0cat\u00a0<<\u00a0EOF
\n\u3010\u7cfb\u7edf\u4fe1\u606f\u3011
\n\u7cfb\u7edf:\u00a0${sys_os}<\/span>
\n\u53d1\u884c\u7248\u672c:\u00a0\u00a0\u00a0${sys_release}<\/span>
\n\u7cfb\u7edf\u5185\u6838:\u00a0\u00a0\u00a0${sys_kernel}<\/span>
\n\u4e3b\u673a\u540d:\u00a0\u00a0\u00a0\u00a0${sys_hostname}<\/span>
\nselinux\u72b6\u6001:\u00a0\u00a0${sys_selinux}<\/span>
\n\u7cfb\u7edf\u8bed\u8a00:\u00a0\u00a0\u00a0${sys_lang}<\/span>
\n\u7cfb\u7edf\u5f53\u524d\u65f6\u95f4:\u00a0${sys_time}<\/span>
\n\u7cfb\u7edf\u6700\u540e\u91cd\u542f\u65f6\u95f4:\u00a0\u00a0\u00a0${sys_lastreboot}<\/span>
\n\u7cfb\u7edf\u8fd0\u884c\u65f6\u95f4:\u00a0${sys_runtime}<\/span>
\n\u7cfb\u7edf\u8d1f\u8f7d:\u00a0\u00a0\u00a0${sys_load}<\/span>
\nEOF
\n}<\/p>\n

<\/code><\/code>#\u00a0\u83b7\u53d6CPU\u4fe1\u606f<\/span>
\nget_cpu_info<\/span><\/span>()\u00a0{
\nPhysical_CPUs=$(grep\u00a0“physical\u00a0id”<\/span>\u00a0\/proc\/cpuinfo\u00a0|\u00a0sort\u00a0|\u00a0uniq\u00a0|\u00a0wc\u00a0-l)
\nVirt_CPUs=$(grep\u00a0“processor”<\/span>\u00a0\/proc\/cpuinfo\u00a0|\u00a0wc\u00a0-l)
\nCPU_Kernels=$(grep\u00a0“cores”<\/span>\u00a0\/proc\/cpuinfo\u00a0|\u00a0uniq\u00a0|\u00a0awk\u00a0-F\u00a0‘:\u00a0‘<\/span>\u00a0‘{print\u00a0$2}’<\/span>)
\nCPU_Type=$(grep\u00a0“model\u00a0name”<\/span>\u00a0\/proc\/cpuinfo\u00a0|\u00a0awk\u00a0-F\u00a0‘:\u00a0‘<\/span>\u00a0‘{print\u00a0$2}’<\/span>\u00a0|\u00a0sort\u00a0|\u00a0uniq)
\nCPU_Arch=$(uname\u00a0-m)
\ncat\u00a0<<\u00a0EOF
\n\u3010CPU\u4fe1\u606f\u3011
\n\u7269\u7406CPU\u4e2a\u6570:$Physical_CPUs<\/span>
\n\u903b\u8f91CPU\u4e2a\u6570:$Virt_CPUs<\/span>
\n\u6bcfCPU\u6838\u5fc3\u6570:$CPU_Kernels<\/span>
\nCPU\u578b\u53f7:$CPU_Type<\/span>
\nCPU\u67b6\u6784:$CPU_Arch<\/span>
\nEOF
\n}<\/p>\n

<\/code><\/code>#\u00a0\u83b7\u53d6\u670d\u52a1\u4fe1\u606f<\/span>
\nget_service_info<\/span><\/span>()\u00a0{
\nport_listen=$(netstat\u00a0-lntup\u00a0|\u00a0grep\u00a0-v\u00a0“Active\u00a0Internet”<\/span>)
\nkernel_config=$(sysctl\u00a0-p\u00a02>\u00a0\/dev\/null)
\nif<\/span>\u00a0[[\u00a0${sysversion}<\/span>\u00a0-gt\u00a06\u00a0]];\u00a0then<\/span>
\nservice_config=$(systemctl\u00a0list-unit-files\u00a0—type<\/span>=service\u00a0–state=enabled\u00a0|\u00a0grep\u00a0“enabled”<\/span>)
\nrun_service=$(systemctl\u00a0list-units\u00a0—type<\/span>=service\u00a0–state=running\u00a0|\u00a0grep\u00a0“.service”<\/span>)
\nelse<\/span>
\nservice_config=$(\/sbin\/chkconfig\u00a0|\u00a0grep\u00a0-E\u00a0“:on|:\u542f\u7528”<\/span>\u00a0|\u00a0column\u00a0-t)
\nrun_service=$(\/sbin\/service\u00a0–status-all\u00a0|\u00a0grep\u00a0-E\u00a0“running”<\/span>)
\nfi<\/span>
\ncat\u00a0<<\u00a0EOF
\n\u3010\u670d\u52a1\u4fe1\u606f\u3011
\n${service_config}<\/span>
\n${line}<\/span>
\n\u8fd0\u884c\u7684\u670d\u52a1:
\n${run_service}<\/span>
\n${line}<\/span>
\n\u76d1\u542c\u7aef\u53e3:
\n${port_listen}<\/span>
\n${line}<\/span>
\n\u5185\u6838\u53c2\u8003\u914d\u7f6e:
\n${kernel_config}<\/span>
\nEOF
\n}<\/p>\n

<\/code><\/code>#\u00a0\u83b7\u53d6\u7cfb\u7edf\u5185\u5b58\u4fe1\u606f<\/span>
\nget_mem_info<\/span><\/span>()\u00a0{
\ncheck_mem=$(free\u00a0-m)
\nMemTotal=$(grep\u00a0MemTotal\u00a0\/proc\/meminfo\u00a0|\u00a0awk\u00a0‘{print\u00a0$2}’<\/span>)\u00a0#KB<\/span>
\nMemFree=$(grep\u00a0MemFree\u00a0\/proc\/meminfo\u00a0|\u00a0awk\u00a0‘{print\u00a0$2}’<\/span>)\u00a0#KB<\/span>
\nlet<\/span>\u00a0MemUsed=MemTotal-MemFree
\nMemPercent=$(awk\u00a0“BEGIN\u00a0{if($MemTotal<\/span>==0){printf\u00a0100}else{printf\u00a0“%.2f”,$MemUsed<\/span>*100\/$MemTotal<\/span>}}”<\/span>)
\nreport_MemTotal=“$((MemTotal\/1024)<\/span>)”<\/span>\u00a0“MB”<\/span>\u00a0#\u5185\u5b58\u603b\u5bb9\u91cf(MB)<\/span>
\nreport_MemFree=“$((MemFree\/1024)<\/span>)”<\/span>\u00a0“MB”<\/span>\u00a0#\u5185\u5b58\u5269\u4f59(MB)<\/span>
\nreport_MemUsedPercent=$(free\u00a0|\u00a0sed\u00a0-n\u00a0‘2p’<\/span>\u00a0|\u00a0gawk\u00a0‘x\u00a0=\u00a0int((\u00a0$3\u00a0\/\u00a0$2\u00a0)\u00a0*\u00a0100)\u00a0{print\u00a0x}’<\/span>\u00a0|\u00a0sed\u00a0‘s\/$\/%\/’<\/span>)<\/p>\n

<\/code><\/code>\u00a0\u00a0cat\u00a0<<\u00a0EOF
\n\u3010\u5185\u5b58\u4fe1\u606f\u3011
\n\u5185\u5b58\u603b\u5bb9\u91cf(MB):\u00a0${report_MemTotal}<\/span>
\n\u5185\u5b58\u5269\u4f59\u91cf(MB):${report_MemFree}<\/span>
\n\u5185\u5b58\u4f7f\u7528\u7387:\u00a0${report_MemUsedPercent}<\/span>
\nEOF
\n}<\/p>\n

<\/code><\/code>#\u00a0\u83b7\u53d6\u7cfb\u7edf\u7f51\u7edc\u4fe1\u606f<\/span>
\nget_net_info<\/span><\/span>()\u00a0{
\npri_ipadd=$(ip\u00a0addr\u00a0|\u00a0awk\u00a0‘\/^[0-9]+:\u00a0\/\u00a0{};\u00a0\/inet.*global\/\u00a0{print\u00a0gensub(\/(.*)\/(.*)\/,\u00a0“\\1”,\u00a0“g”,\u00a0$2)}’<\/span>)
\npub_ipadd=$(curl\u00a0ifconfig.me\u00a0-s)
\ngateway=$(ip\u00a0route\u00a0|\u00a0grep\u00a0default\u00a0|\u00a0awk\u00a0‘{print\u00a0$3}’<\/span>)
\nmac_info=$(ip\u00a0link\u00a0|\u00a0egrep\u00a0-v\u00a0“lo”<\/span>\u00a0|\u00a0grep\u00a0link\u00a0|\u00a0awk\u00a0‘{print\u00a0$2}’<\/span>)
\ndns_config=$(egrep\u00a0-v\u00a0“^$|^#”<\/span>\u00a0\/etc\/resolv.conf)
\nroute_info=$(route\u00a0-n)
\ncat\u00a0<<\u00a0EOF
\n\u3010\u7f51\u7edc\u4fe1\u606f\u3011
\n\u7cfb\u7edf\u516c\u7f51\u5730\u5740:${pub_ipadd}<\/span>
\n\u7cfb\u7edf\u79c1\u7f51\u5730\u5740:${pri_ipadd}<\/span>
\n\u7f51\u5173\u5730\u5740:${gateway}<\/span>
\nMAC\u5730\u5740:${mac_info}<\/span>
\n\u8def\u7531\u4fe1\u606f:
\n${route_info}<\/span>
\nDNS\u00a0\u4fe1\u606f:
\n${dns_config}<\/span>
\nEOF
\n}<\/p>\n

<\/code><\/code>#\u00a0\u83b7\u53d6\u7cfb\u7edf\u78c1\u76d8\u4fe1\u606f<\/span>
\nget_disk_info<\/span><\/span>()\u00a0{
\ndisk_info=$(fdisk\u00a0-l\u00a0|\u00a0grep\u00a0“Disk\u00a0\/dev”<\/span>\u00a0|\u00a0cut\u00a0-d,\u00a0-f1)
\ndisk_use=$(df\u00a0-hTP\u00a0|\u00a0awk\u00a0‘$2!=”tmpfs”{print}’<\/span>)
\ndisk_percent=$(free\u00a0|\u00a0sed\u00a0-n\u00a0‘2p’<\/span>\u00a0|\u00a0gawk\u00a0‘x\u00a0=\u00a0int((\u00a0$3\u00a0\/\u00a0$2\u00a0)\u00a0*\u00a0100)\u00a0{print\u00a0x}’<\/span>\u00a0|\u00a0sed\u00a0‘s\/$\/%\/’<\/span>)
\ndisk_inode=$(df\u00a0-hiP\u00a0|\u00a0awk\u00a0‘$1!=”tmpfs”{print}’<\/span>)<\/p>\n

<\/code><\/code>\u00a0\u00a0cat\u00a0<<\u00a0EOF
\n\u3010\u78c1\u76d8\u4fe1\u606f\u3011
\n${disk_info}<\/span>
\n\u78c1\u76d8\u4f7f\u7528:\u00a0${disk_use}<\/span>
\n\u78c1\u76d8\u4f7f\u7528\u767e\u5206\u6bd4:\u00a0${disk_percent}<\/span>
\ninode\u4fe1\u606f:\u00a0${disk_inode}<\/span>
\nEOF
\n}<\/p>\n

<\/code><\/code>#\u00a0\u83b7\u53d6\u7cfb\u7edf\u7528\u6237\u4fe1\u606f<\/span>
\nget_sys_user<\/span><\/span>()\u00a0{
\nlogin_user=$(awk\u00a0-F:\u00a0‘{if\u00a0($NF==”\/bin\/bash”)\u00a0print\u00a0$0}’<\/span>\u00a0\/etc\/passwd)
\nssh_config=$(egrep\u00a0-v\u00a0“^#|^$”<\/span>\u00a0\/etc\/ssh\/sshd_config)
\nsudo_config=$(egrep\u00a0-v\u00a0“^#|^$”<\/span>\u00a0\/etc\/sudoers\u00a0|\u00a0grep\u00a0-v\u00a0“^Defaults”<\/span>)
\nhost_config=$(egrep\u00a0-v\u00a0“^#|^$”<\/span>\u00a0\/etc\/hosts)
\ncrond_config=$(for<\/span>\u00a0cronuser\u00a0in<\/span>\u00a0\/var\/spool\/cron\/*;\u00a0do<\/span>
\nls\u00a0${cronuser}<\/span>\u00a02>\u00a0\/dev\/null\u00a0|\u00a0cut\u00a0-d\/\u00a0-f5;\u00a0egrep\u00a0-v\u00a0“^$|^#”<\/span>\u00a0${cronuser}<\/span>\u00a02>\u00a0\/dev\/null;
\necho<\/span>\u00a0“”<\/span>;
\ndone<\/span>)
\ncat\u00a0<<\u00a0EOF
\n\u3010\u7528\u6237\u4fe1\u606f\u3011
\n\u7cfb\u7edf\u767b\u5f55\u7528\u6237:
\n${login_user}<\/span>
\n${line}<\/span>
\nssh\u00a0\u914d\u7f6e\u4fe1\u606f:
\n${ssh_config}<\/span>
\n${line}<\/span>
\nsudo\u00a0\u914d\u7f6e\u7528\u6237:
\n${sudo_config}<\/span>
\n${line}<\/span>
\n\u5b9a\u65f6\u4efb\u52a1\u914d\u7f6e:
\n${crond_config}<\/span>
\n${line}<\/span>
\nhosts\u00a0\u4fe1\u606f:
\n${host_config}<\/span>
\nEOF
\n}<\/p>\n

<\/code><\/code>#\u00a0\u83b7\u53d6CPU\/\u5185\u5b58\u5360\u7528TOP10<\/span>
\nget_process_top_info<\/span><\/span>()\u00a0{<\/p>\n

<\/code><\/code>\u00a0\u00a0top_title=$(top\u00a0-b\u00a0n1\u00a0|\u00a0head\u00a0-7\u00a0|\u00a0tail\u00a0-1)
\ncpu_top10=$(top\u00a0-b\u00a0n1\u00a0|\u00a0head\u00a0-17\u00a0|\u00a0tail\u00a0-11)
\nmem_top10=$(top\u00a0-b\u00a0n1\u00a0|\u00a0head\u00a0-17\u00a0|\u00a0tail\u00a0-10\u00a0|\u00a0sort\u00a0-k10\u00a0-r)<\/p>\n

<\/code><\/code>\u00a0\u00a0cat\u00a0<<\u00a0EOF
\n\u3010TOP10\u3011
\nCPU\u5360\u7528TOP10:
\n${cpu_top10}<\/span>
\n\u5185\u5b58\u5360\u7528TOP10:
\n${top_title}<\/span>
\n${mem_top10}<\/span>
\nEOF
\n}<\/p>\n

<\/code><\/code>show_dead_process<\/span><\/span>()\u00a0{
\nprintf<\/span>\u00a0“\u50f5\u5c38\u8fdb\u7a0b\uff1an”<\/span>
\nps\u00a0-al\u00a0|\u00a0gawk\u00a0‘{print\u00a0$2,$4}’<\/span>\u00a0|\u00a0grep\u00a0Z
\n}<\/p>\n

<\/code><\/code>get_all_info<\/span><\/span>()\u00a0{
\nget_systatus_info
\necho<\/span>\u00a0${double_line}<\/span>
\nget_service_info
\necho<\/span>\u00a0${double_line}<\/span>
\nget_cpu_info
\necho<\/span>\u00a0${double_line}<\/span>
\nget_net_info
\necho<\/span>\u00a0${double_line}<\/span>
\nget_mem_info
\necho<\/span>\u00a0${double_line}<\/span>
\nget_disk_info
\necho<\/span>\u00a0${double_line}<\/span>
\nget_process_top_info
\necho<\/span>\u00a0${double_line}<\/span>
\nget_sys_user
\n}<\/p>\n

<\/code><\/code>main<\/span><\/span>()\u00a0{
\nwhile<\/span>\u00a0[[\u00a01\u00a0]]
\ndo<\/span>
\nprintMenu
\nread<\/span>\u00a0option
\nlocal<\/span>\u00a0index=$[\u00a0${option}<\/span>\u00a0–\u00a01\u00a0]
\ncase<\/span>\u00a0${options[${index}<\/span>]}\u00a0in<\/span>
\n“\u83b7\u53d6\u7cfb\u7edf\u4fe1\u606f”<\/span>)
\nget_systatus_info\u00a0;;
\n“\u83b7\u53d6\u670d\u52a1\u4fe1\u606f”<\/span>)
\nget_service_info\u00a0;;
\n“\u83b7\u53d6CPU\u4fe1\u606f”<\/span>)
\nget_cpu_info\u00a0;;
\n“\u83b7\u53d6\u7cfb\u7edf\u7f51\u7edc\u4fe1\u606f”<\/span>)
\nget_net_info\u00a0;;
\n“\u83b7\u53d6\u7cfb\u7edf\u5185\u5b58\u4fe1\u606f”<\/span>)
\nget_mem_info\u00a0;;
\n“\u83b7\u53d6\u7cfb\u7edf\u78c1\u76d8\u4fe1\u606f”<\/span>)
\nget_disk_info\u00a0;;
\n“\u83b7\u53d6CPU\/\u5185\u5b58\u5360\u7528TOP10”<\/span>)
\nget_process_top_info\u00a0;;
\n“\u83b7\u53d6\u7cfb\u7edf\u7528\u6237\u4fe1\u606f”<\/span>)
\nget_sys_user\u00a0;;
\n“\u8f93\u51fa\u6240\u6709\u4fe1\u606f”<\/span>)
\nget_all_info\u00a0>\u00a0sys.log
\nprintf<\/span>\u00a0“${C_GREEN}<\/span>\u4fe1\u606f\u5df2\u7ecf\u8f93\u51fa\u5230 sys.log \u4e2d\u3002${C_RESET}<\/span>nn”<\/span>
\n;;
\n“\u9000\u51fa”<\/span>)
\nexit<\/span>\u00a0;;
\n*)
\nclear
\necho<\/span>\u00a0“\u62b1\u6b49\uff0c\u4e0d\u652f\u6301\u6b64\u9009\u9879”<\/span>\u00a0;;
\nesac<\/span>
\ndone<\/span>
\n}<\/p>\n

<\/code><\/code>########################################\u00a0MAIN\u00a0########################################<\/span>
\nprintHeadInfo
\nmain
\nprintFootInfo
\nprintf<\/span>\u00a0“${C_RESET}<\/span>“<\/span><\/p>\n<\/section>\n

sed\u8fdb\u9636<\/span><\/h4>\n
#!\/bin\/bash
\n<\/span>
\n#\u591a\u4e2a\u7a7a\u683c\u53ea\u4fdd\u7559\u4e00\u4e2a<\/span>
\n#sed\u00a0'\/.\/,\/^$\/!d'\u00a0test<\/span><\/code><\/code>#\u5220\u9664\u5f00\u5934\u7684\u7a7a\u767d\u884c<\/span>
\n#sed\u00a0‘\/.\/,$!d’\u00a0test<\/span><\/p>\n

<\/code><\/code>#\u5220\u9664\u7ed3\u5c3e\u7684\u7a7a\u767d\u884c<\/span>
\nsed\u00a0‘{
\n:start
\n\/^n*$\/{$d;\u00a0N;\u00a0b\u00a0start}
\n}’<\/span>\u00a0test<\/span><\/p>\n

<\/code><\/code>#\u5220\u9664html\u6807\u7b7e<\/span>
\n#\u6709\u95ee\u9898<\/span>
\n#s\/<.*>\/\/g<\/span><\/p>\n

<\/code><\/code>#sed\u00a0‘s\/<[^>]*>\/\/g’\u00a0test1<\/span><\/p>\n

<\/code><\/code>#sed\u00a0‘s\/<[^>]*>\/\/g;\/^$\/d’\u00a0test1<\/span><\/p>\n

<\/code><\/code>#and\u7b26\u53f7\uff0c\u4ee3\u8868\u66ff\u6362\u547d\u4ee4\u4e2d\u7684\u5339\u914d\u6a21\u5f0f\uff0c\u4e0d\u7ba1\u9884\u5b9a\u4e49\u6a21\u5f0f\u662f\u4ec0\u4e48\u6587\u672c\uff0c\u90fd\u53ef\u4ee5\u7528and\u7b26\u53f7\u66ff\u6362\uff0cand\u7b26\u53f7\u4f1a\u63d0\u53d6\u5339\u914d\u66ff\u6362\u547d\u4ee4\u4e2d\u6307\u5b9a\u66ff\u6362\u6a21\u5f0f\u4e2d\u7684\u6240\u6709\u5b57\u7b26\u4e32<\/span>
\necho<\/span>\u00a0“The\u00a0cat\u00a0sleeps\u00a0in\u00a0his\u00a0hat”<\/span>\u00a0|\u00a0sed\u00a0‘s\/.at\/”&”\/g’<\/span><\/p>\n

<\/code><\/code>#\u66ff\u6362\u5355\u72ec\u7684\u5355\u8bcd<\/span>
\necho<\/span>\u00a0“The\u00a0System\u00a0Administrator\u00a0manual”<\/span>\u00a0|\u00a0sed\u00a0‘s\/(System)\u00a0Administrator\/1\u00a0user\/’<\/span><\/p>\n

<\/code><\/code>#\u5728\u957f\u6570\u5b57\u4e2d\u63d2\u5165\u9017\u53f7<\/span>
\necho<\/span>\u00a0“1234567”<\/span>\u00a0|\u00a0sed\u00a0‘{:start;\u00a0s\/(.*[0-9])([0-9]{3})\/1,2\/;\u00a0t\u00a0start}’<\/span><\/p>\n

<\/code><\/code>#\u7ed9\u6587\u4ef6\u4e2d\u7684\u884c\u7f16\u53f7<\/span>
\nsed\u00a0‘=’<\/span>\u00a0test<\/span>\u00a0|\u00a0sed\u00a0‘N; s\/n\/ \/’<\/span><\/p>\n<\/section>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

    #\u67e5\u770b\u50f5\u5c38\u8fdb\u7a0b ps\u00a0-al\u00a0|\u00a0gawk\u00a0‘{print\u00a0$2,$4}’\u00a0|\u00a0g […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,3],"tags":[],"class_list":["post-10173","post","type-post","status-publish","format-standard","hentry","category-linux","category-system"],"_links":{"self":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/10173","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10173"}],"version-history":[{"count":1,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/10173\/revisions"}],"predecessor-version":[{"id":10342,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/10173\/revisions\/10342"}],"wp:attachment":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}