{"id":863,"date":"2018-10-16T22:21:26","date_gmt":"2018-10-16T13:21:26","guid":{"rendered":"https:\/\/vongg.com\/?p=863"},"modified":"2018-10-17T00:02:49","modified_gmt":"2018-10-16T15:02:49","slug":"%e6%ba%90%e7%9b%91%e8%a7%86%e5%99%a8","status":"publish","type":"post","link":"https:\/\/vongg.com\/?p=863","title":{"rendered":"\u6e90\u76d1\u89c6\u5668"},"content":{"rendered":"

\u2460Win10\u7cfb\u7edf\u4e0b\u6253\u5f00\u8d44\u6e90\u76d1\u89c6\u5668\u76842\u79cd\u65b9\u6cd5<\/span><\/strong><\/p>\n

http:\/\/www.111cn.net\/sys\/361\/90709.htm<\/p>\n

<\/p>\n

\u2461Linux\u3000<\/strong><\/span><\/p>\n

Linux\u30ea\u30bd\u30fc\u30b9\u306e\u76e3\u8996\u30fb\u78ba\u8a8d\u306b\u95a2\u3059\u308b\u30b3\u30de\u30f3\u30c9\u9006\u5f15\u304d\u30e1\u30e2<\/p>\n

goooooooooooood…………<\/p>\n

https:\/\/qiita.com\/rsooo\/items\/42f0902d42bab6ecf175<\/p>\n

Linux\u30a4\u30f3\u30d5\u30e9SE\u306a\u3089\u77e5\u3063\u3066\u304a\u304f\u3079\u304d\u30ea\u30bd\u30fc\u30b9\u76e3\u8996\u306b\u95a2\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3002
\n\u968f\u6642\u8ffd\u52a0(\u3059\u308b\u304b\u3082)<\/p>\n

\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u5b9f\u884c\u4f8b\u306fCentOS 6.3 \u3067\u78ba\u8a8d\u3057\u305f\u3082\u306e\u3002<\/p>\n

\n
\n
[root@localhost \/]#<\/span> cat<\/span> \/etc\/issue\r\nCentOS release 6.3 (Final)\r\n<\/span><\/pre>\n<\/div>\n<\/div>\n
<\/span><\/i>\u7a7a\u304d\u30e1\u30e2\u30ea\u304c\u77e5\u308a\u305f\u3044<\/h2>\n
free<\/code>\u3067\u78ba\u8a8d\u53ef\u80fd\u3002<\/p>\n
\n
\n
#<\/span> free\r\n             total       used       free     shared    buffers     cached\r\nMem:       1026876     974072      52804          0     202656     348008\r\n-\/+ buffers\/cache:     423408     603468\r\nSwap:      2048276         92    2048184\r\n<\/span><\/pre>\n<\/div>\n<\/div>\n
\u3053\u3053\u3067\u6ce8\u610f\u306a\u306e\u306f\u3001Linux\u306f\u7a7a\u304d\u30e1\u30e2\u30ea\u3092buffer\u3068cache\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u306e\u3067\u3001
\n\u4e00\u898bfree\u306f\u5c11\u306a\u3044(\u4e0a\u8a18\u306e\u5834\u540852M)\u3068\u601d\u308f\u308c\u304c\u3061\u3060\u304c\u3001\u5b9f\u969b\u306b\u306fbuffer+cache\u3068\u3057\u3066\u78ba\u4fdd\u3055\u308c\u3066\u3044\u308b(\u4e0a\u8a18\u306e\u5834\u5408600M\u78ba\u4fdd\u3055\u308c\u3066\u3044\u308b)<\/p>\n
<\/span><\/i>\u30c7\u30a3\u30b9\u30af\u306e\u7a7a\u304d\u5bb9\u91cf\u304c\u77e5\u308a\u305f\u3044\u3002<\/h2>\n
df<\/code>\u3067\u78ba\u8a8d\u53ef\u80fd\u3002\u57fa\u672c\u3067\u3059\u306d\u3002<\/p>\n
\n
\n
[root@localhost \/]#<\/span> df<\/span>\r\n\/dev\/mapper\/VolGroup-lv_root\r\n                      12941636   1851304  10432924  16% \/\r\nFilesystem           1K-blocks      Used Available Use% Mounted on\r\ntmpfs                   510348         0    510348   0% \/dev\/shm\r\n\/dev\/sda1               495844     70443    399801  15% \/boot\r\n\/vagrant             488383484 421285716  67097768  87% \/vagrant\r\n<\/span><\/pre>\n<\/div>\n<\/div>\n
\u3061\u306a\u307f\u306b\u8868\u793a\u304c\u9577\u3044\u30682\u884c\u306b\u5206\u3051\u3066\u51fa\u529b\u3055\u308c\u308b\u306e\u3060\u3051\u3069\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u4f7f\u7528\u7387\u3092\u5b9a\u671f\u7684\u306b\u76e3\u8996\u3057\u305f\u3044\u3068\u304d\u306b\u975e\u5e38\u306b\u3081\u3093\u3069\u304f\u3055\u3044\u3002\u305d\u306e\u5834\u5408\u306fdf -P<\/code> \u3092\u4f7f\u3048\u30701\u884c\u3067\u8868\u793a\u3055\u308c\u308b\u3002<\/p>\n
<\/span><\/i>i\u30ce\u30fc\u30c9\u306e\u4f7f\u7528\u7387\u304c\u77e5\u308a\u305f\u3044\u3002<\/h2>\n
df -i<\/code> \u3067\u8868\u793a\u3055\u308c\u308b\u3002\u30b5\u30a4\u30ba\u306e\u5c0f\u3055\u306a\u30d5\u30a1\u30a4\u30eb\u304c\u975e\u5e38\u306b\u5927\u91cf\u306b\u3042\u308b\u5834\u5408\u3001\u30c7\u30a3\u30b9\u30af\u306e\u7a7a\u304d\u5bb9\u91cf\u304c\u3042\u308b\u306e\u306b\u306a\u305c\u304b\u66f8\u304d\u8fbc\u307f\u306b\u5931\u6557\u3057\u305f\uff01\u306a\u3093\u3066\u3053\u3068\u304c\u767a\u751f\u3059\u308b\u3002<\/p>\n
\n
\n
[root@localhost \/]#<\/span> df<\/span> -i<\/span>\r\nFilesystem            Inodes   IUsed   IFree IUse% Mounted on\r\n\/dev\/mapper\/VolGroup-lv_root\r\n                      822544   72999  749545    9% \/\r\ntmpfs                 127587       1  127586    1% \/dev\/shm\r\n\/dev\/sda1             128016      44  127972    1% \/boot\r\n\/vagrant                1000       0    1000    0% \/vagrant\r\n<\/span><\/pre>\n<\/div>\n<\/div>\n
<\/span><\/i>\u7279\u5b9a\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4ee5\u4e0b\u306e\u30c7\u30a3\u30b9\u30af\u306e\u4f7f\u7528\u91cf\u3092\u77e5\u308a\u305f\u3044\u3002<\/h2>\n
du<\/code> \u3067\u78ba\u8a8d\u53ef\u80fd\u3002 \u7d50\u679c\u3092sort\u3057\u3066\u8868\u793a\u3057\u305f\u308a\u3059\u308b\u3068\u5206\u304b\u308a\u3084\u3059\u3044\u3002<\/p>\n
\n
\n
[root@localhost \/]#<\/span> du<\/span> -sk<\/span> \/var\/*<\/span> | sort<\/span> -nr<\/span>  | head<\/span> -5<\/span>\r\n43788   \/var\/cache\r\n42600   \/var\/lib\r\n2060    \/var\/log\r\n104     \/var\/run\r\n44      \/var\/spool\r\n<\/span><\/pre>\n<\/div>\n<\/div>\n
<\/span><\/i>\u7269\u7406\u30c7\u30a3\u30b9\u30af\u306e\u7a7a\u304d\u5bb9\u91cf\u304c\u77e5\u308a\u305f\u3044(LVM\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408)<\/h2>\n
df<\/code>\u3067\u306f\u8ad6\u7406\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u4f7f\u7528\u91cf\u304c\u5206\u304b\u308b\u304c\u3001\u7269\u7406\u30c7\u30a3\u30b9\u30af\u306b\u3069\u306e\u304f\u3089\u3044\u7a7a\u304d\u304c\u3042\u308b\u304b
\n\u77e5\u308a\u305f\u3044\u5834\u5408\u306f\u3001pvdisplay<\/code>\u3092\u4f7f\u7528\u3059\u308b\u3002<\/p>\n
\n
\n
[root@localhost \/]#<\/span> pvdisplay\r\n  --- Physical volume ---\r\n  PV Name               \/dev\/sda2\r\n  VG Name               VolGroup\r\n  PV Size               14.51 GiB \/ not usable 3.00 MiB\r\n  Allocatable           yes (but full)\r\n  PE Size               4.00 MiB\r\n  Total PE              3714\r\n  Free PE               0\r\n  Allocated PE          3714\r\n  PV UUID               d2cKaW-6Ir3-XKJ6-GN2K-xKr0-jqlL-Vu7Ev9\r\n<\/span><\/pre>\n<\/div>\n<\/div>\n
\u3053\u3053\u306eFree PE * PE Size\u304c\u7a7a\u304d\u5bb9\u91cf\u306b\u76f8\u5f53\u3059\u308b\u3002(\u3053\u306e\u5834\u5408\u306f\u7a7a\u304d\u5bb9\u91cf\u306a\u3057)
\n\u8ad6\u7406\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u62e1\u5f35\u4f5c\u696d\u306a\u3069\u3092\u884c\u3044\u305f\u3044\u969b\u306b\u78ba\u8a8d\u3067\u304d\u308b\u3002
\n\u8ad6\u7406\u30dc\u30ea\u30e5\u30fc\u30e0\u306b\u95a2\u3059\u308b\u305d\u306e\u4ed6\u306e\u64cd\u4f5c\u306fLVM\u5404\u7a2e\u64cd\u4f5c\u30b3\u30de\u30f3\u30c9<\/a>\u3092\u53c2\u7167\u3002<\/p>\n
<\/span><\/i>LISTEN\u3057\u3066\u3044\u308b\u30dd\u30fc\u30c8\u4e00\u89a7\u3092\u77e5\u308a\u305f\u3044\u3002<\/h2>\n
\n
\n
[root@localhost fd]#<\/span> netstat -an<\/span> | grep <\/span>LISTEN\r\ntcp        0      0 0.0.0.0:55118               0.0.0.0:*                   LISTEN\r\ntcp        0      0 0.0.0.0:111                 0.0.0.0:*                   LISTEN\r\ntcp        0      0 0.0.0.0:22                  0.0.0.0:*                   LISTEN\r\n<\/span><\/pre>\n<\/div>\n<\/div>\n
<\u30b3\u30e1\u30f3\u30c8\u306b\u3088\u308a\u8ffd\u8a18>
\ngrep\u4f7f\u308f\u306a\u304f\u3066\u3082-l\u30aa\u30d7\u30b7\u30e7\u30f3\u3067LISTEN\u3057\u3066\u3044\u308b\u30dd\u30fc\u30c8\u306e\u307f\u8868\u793a\u53ef\u3002<\/p>\n
\n
\n
[root@localhost fd]#<\/span> netstat -nlt<\/span> \r\ntcp        0      0 0.0.0.0:111                 0.0.0.0:*                   LISTEN\r\ntcp        0      0 0.0.0.0:22                  0.0.0.0:*                   LISTEN\r\ntcp        0      0 0.0.0.0:42936               0.0.0.0:*                   LISTEN\r\n<\/span><\/pre>\n<\/div>\n<\/div>\n
<\/span><\/i>\u7279\u5b9a\u306e\u30dd\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u77e5\u308a\u305f\u3044\u3002<\/h2>\n
lsof<\/code>\u3092\u4f7f\u3046\u3068\u7c21\u5358\u3002<\/p>\n
\n
\n
[root@localhost fd]#<\/span> lsof -i<\/span>:111\r\nCOMMAND  PID USER   FD   TYPE DEVICE SIZE\/OFF NODE NAME\r\nrpcbind 1013  rpc    6u  IPv4   8479      0t0  UDP *:sunrpc\r\nrpcbind 1013  rpc    8u  IPv4   8482      0t0  TCP *:sunrpc (LISTEN)\r\nrpcbind 1013  rpc    9u  IPv6   8484      0t0  UDP *:sunrpc\r\nrpcbind 1013  rpc   11u  IPv6   8487      0t0  TCP *:sunrpc (LISTEN)\r\n<\/span><\/pre>\n<\/div>\n<\/div>\n
<\/span><\/i>\u7279\u5b9a\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u77e5\u308a\u305f\u3044<\/h2>\n
lsof<\/code>\u306f\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u5f15\u6570\u306b\u4e0e\u3048\u308b\u3068\u63b4\u3093\u3067\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u8868\u793a\u3067\u304d\u308b\u3002\u4fbf\u5229\u3002<\/p>\n
\n
\n
[root@localhost fd]#<\/span> lsof \/var\/log\/messages\r\nCOMMAND  PID USER   FD   TYPE DEVICE SIZE\/OFF   NODE NAME\r\nrsyslogd 990 root    1w   REG  253,0   462813 655345 \/var\/log\/messages\r\n<\/span><\/pre>\n<\/div>\n<\/div>\n
lsof<\/code>\u304c\u5165\u3063\u3066\u3044\u306a\u3044\u30de\u30b7\u30f3\u306e\u5834\u5408\u306ffuser<\/code>\u3067\u3082OK<\/p>\n
\n
\n
[root@localhost \/]#<\/span> fuser \/var\/log\/messages\r\n\/var\/log\/messages:    1060\r\n<\/span><\/pre>\n<\/div>\n<\/div>\n
<\/span><\/i>\u30d7\u30ed\u30bb\u30b9\u304c\u63b4\u3093\u3067\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u4e00\u89a7\u304c\u77e5\u308a\u305f\u3044\u3002<\/h2>\n
lsof -p <PID><\/code>\u3067\u78ba\u8a8d\u3067\u304d\u308b\u3002<\/p>\n
\n
\n
[root@localhost ~]#<\/span> lsof -p<\/span> 991\r\nCOMMAND  PID USER   FD   TYPE             DEVICE SIZE\/OFF       NODE NAME\r\nrsyslogd 991 root  cwd    DIR              253,0     4096          2 \/\r\nrsyslogd 991 root  rtd    DIR              253,0     4096          2 \/\r\nrsyslogd 991 root  txt    REG              253,0   391968       6410 \/sbin\/rsyslogd\r\nrsyslogd 991 root  mem    REG              253,0    27232     391290 \/lib64\/rsyslog\/imklog.so\r\n\u3000\/* \u4e00\u90e8\u7701\u7565 *\/\r\nrsyslogd 991 root  mem    REG              253,0   154624     407189 \/lib64\/ld-2.12.so\r\nrsyslogd 991 root    0u  unix 0xffff880037aef3c0      0t0       8354 \/dev\/log\r\nrsyslogd 991 root    1w   REG              253,0   492990     655345 \/var\/log\/messages\r\nrsyslogd 991 root    2w   REG              253,0    47992     655346 \/var\/log\/secure\r\nrsyslogd 991 root    3r   REG                0,3        0 4026532037 \/proc\/kmsg\r\n<\/span><\/pre>\n<\/div>\n<\/div>\n
lsof<\/code>\u304c\u4f7f\u3048\u306a\u3051\u308c\u3070\u3001\/proc\/<PID>\/fd<\/code> \u4ee5\u4e0b\u3092\u898b\u3066\u3082\u3042\u308b\u7a0b\u5ea6\u78ba\u8a8d\u53ef\u80fd\u3002<\/p>\n
\n
\n
[root@localhost ~]#<\/span> ll \/proc\/991\/fd\r\ntotal 0\r\n<\/span>lrwx------ 1 root root 64 May 24 03:39 0 -><\/span> socket:[8354]\r\nl-wx------ 1 root root 64 May 24 03:39 1 -><\/span> \/var\/log\/messages\r\nl-wx------ 1 root root 64 May 24 03:39 2 -><\/span> \/var\/log\/secure\r\nlr-x------ 1 root root 64 May 24 03:39 3 -><\/span> \/proc\/kmsg\r\n<\/pre>\n<\/div>\n<\/div>\n
<\/span><\/i>\u30d7\u30ed\u30bb\u30b9\u5185\u306e\u30b9\u30ec\u30c3\u30c9\u306e\u6570\u3092\u78ba\u8a8d\u3057\u305f\u3044\u3002<\/h2>\n
ps -L<\/code>\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u30b9\u30ec\u30c3\u30c9\u3092\u78ba\u8a8d\u53ef\u80fd\u3002<\/p>\n
\n
\n
[root@localhost ~]#<\/span> ps aux -L<\/span>\r\nUSER       PID   LWP %CPU NLWP %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND\r\n<\/span> <\u4e2d\u7565><\/span>\r\nroot      1021  1021  0.0    4  0.3 249080  3612 ?        Sl   10:18   0:00 \/sbin\/rsyslogd -i \/var\/run\/syslogd.pid -c 5\r\nroot      1021  1022  0.0    4  0.3 249080  3612 ?        Sl   10:18   0:00 \/sbin\/rsyslogd -i \/var\/run\/syslogd.pid -c 5\r\nroot      1021  1024  0.0    4  0.3 249080  3612 ?        Sl   10:18   0:00 \/sbin\/rsyslogd -i \/var\/run\/syslogd.pid -c 5\r\nroot      1021  1025  0.0    4  0.3 249080  3612 ?        Sl   10:18   0:00 \/sbin\/rsyslogd -i \/var\/run\/syslogd.pid -c 5\r\n<\/span>[root@localhost ~]#<\/span> ps aux -L<\/span> | head<\/span> -1<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n
\u540c\u3058PID\u3067\u8907\u6570\u306eLWP\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u3067\u3042\u308c\u3070\u3001\u8907\u6570\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308b\u3002<\/p>\n
<\/span><\/i>\u7a3c\u52d5\u3057\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u691c\u7d22\u3057\u305f\u3044\u3002<\/h2>\n
pgrep<\/code>\u3092\u4f7f\u3048\u3070\u3001PID\u3068\u30d7\u30ed\u30bb\u30b9\u540d\u3092\u7c21\u5358\u306b\u691c\u7d22\u3067\u304d\u308b\u3002
\nps -ef | grep ...<\/code>\u3068\u304b\u3088\u308a\u624b\u3063\u53d6\u308a\u65e9\u3044\u3002<\/p>\n
\n
\n
[root@localhost ~]#<\/span> pgrep -l<\/span> syslog\r\n1060 rsyslogd\r\n<\/span><\/pre>\n<\/div>\n<\/div>\n
<\/span><\/i>\u30d7\u30ed\u30bb\u30b9\u306e\u30e1\u30e2\u30ea\u30de\u30c3\u30d7\u3092\u78ba\u8a8d\u3057\u305f\u3044<\/h2>\n
pmap<\/code>\u30b3\u30de\u30f3\u30c9\u3067\u305d\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u4f7f\u7528\u3057\u3066\u3044\u308b\u30e1\u30e2\u30ea\u72b6\u6cc1\u304c\u78ba\u8a8d\u3067\u304d\u308b\u3002
\n\u30e1\u30e2\u30ea\u306e\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3084\u4f7f\u7528\u91cf\u306e\u78ba\u8a8d\u306e\u969b\u306b\u4f7f\u3048\u308b\u3002<\/p>\n
\n
\n
[root@localhost ~]#<\/span> pmap -x<\/span> 1298\r\n1298:   crond\r\nAddress           Kbytes     RSS   Dirty Mode   Mapping\r\n00007fa1b356e000      48      20       0 r-x--  libnss_files-2.12.so\r\n00007fa1b357a000    2048       0       0 -----  libnss_files-2.12.so\r\n (\u4e2d\u7565)\r\nffffffffff600000       4       0       0 r-x--    [ anon ]\r\n----------------  ------  ------  ------\r\ntotal kB          117208    1232     600```\r\n<\/span><\/pre>\n<\/div>\n<\/div>\n
\u8868\u793a\u3055\u308c\u308b\u9805\u76ee\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n