{"id":80,"date":"2022-11-22T05:34:28","date_gmt":"2023-02-12T14:46:07","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/ubuntu%e3%80%81debian%e3%80%81centos%e3%81%a7linux%e3%81%ae%e3%83%ad%e3%82%b0%e3%82%92%e8%a1%a8%e7%a4%ba%e3%81%8a%e3%82%88%e3%81%b3%e8%a8%ad%e5%ae%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2025-07-31T13:52:41","modified_gmt":"2025-07-31T04:52:41","slug":"ubuntu%e3%80%81debian%e3%80%81centos%e3%81%a7linux%e3%81%ae%e3%83%ad%e3%82%b0%e3%82%92%e8%a1%a8%e7%a4%ba%e3%81%8a%e3%82%88%e3%81%b3%e8%a8%ad%e5%ae%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/ubuntu%e3%80%81debian%e3%80%81centos%e3%81%a7linux%e3%81%ae%e3%83%ad%e3%82%b0%e3%82%92%e8%a1%a8%e7%a4%ba%e3%81%8a%e3%82%88%e3%81%b3%e8%a8%ad%e5%ae%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"Ubuntu\u3001Debian\u3001CentOS\u3067Linux\u306e\u30ed\u30b0\u3092\u8868\u793a\u304a\u3088\u3073\u8a2d\u5b9a\u306e\u65b9\u6cd5"},"content":{"rendered":"<h3>\u306f\u3058\u3081\u306b<\/h3>\n<p>Linux \u30b7\u30b9\u30c6\u30e0\u306e\u7ba1\u7406\u8005\u306f\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u76ee\u7684\u3067\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u8005\u304c\u6700\u521d\u306b\u884c\u3046\u3053\u3068\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n<p>Linux\u3068\u305d\u308c\u304c\u4e0a\u3067\u52d5\u4f5c\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306b\u8a18\u9332\u3055\u308c\u308b\u3055\u307e\u3056\u307e\u306a\u30bf\u30a4\u30d7\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 Linux\u306f\u4e00\u9023\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3001\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3001\u30b3\u30de\u30f3\u30c9\u3001\u304a\u3088\u3073\u30c7\u30fc\u30e2\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u3053\u308c\u3089\u306e\u30ed\u30b0\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u4f5c\u6210\u3001\u4fdd\u5b58\u3001\u518d\u5229\u7528\u3057\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u304c\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066\u3044\u308b\u5834\u6240\u3068\u95a2\u9023\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3092\u77e5\u3063\u3066\u3044\u308b\u3053\u3068\u306f\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u4e2d\u306b\u8cb4\u91cd\u306a\u6642\u9593\u3092\u7bc0\u7d04\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001Linux\u306e\u30ed\u30b0\u8a18\u9332\u30e1\u30ab\u30cb\u30ba\u30e0\u306e\u3055\u307e\u3056\u307e\u306a\u90e8\u5206\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<blockquote><p>\u514d\u8cac\u4e8b\u9805<br \/>\n\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u30b3\u30de\u30f3\u30c9\u306f\u3001CentOS 9\u3001Ubuntu 22.10\u3001\u304a\u3088\u3073Debian 11\u306e\u30d7\u30ec\u30fc\u30f3\u30d0\u30cb\u30e9\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u30c6\u30b9\u30c8\u3055\u308c\u307e\u3057\u305f\u3002<\/p><\/blockquote>\n<h2>\u30b9\u30c6\u30c3\u30d71 &#8211; \u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306e\u5834\u6240\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/h2>\n<p>Linux\u306b\u304a\u3051\u308b\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u4fdd\u5b58\u5834\u6240\u306f\u300c\/var\/log\u300d\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u3053\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306e\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306e\u4e00\u89a7\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">ls<\/span> <span class=\"token parameter variable\">-l<\/span> \/var\/log<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3042\u306a\u305f\u306eCentOS\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u3053\u308c\u306b\u985e\u4f3c\u3057\u305f\u3082\u306e\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>[root@centos-9-trim ~]# ls -l \/var\/log total 49316 drwxr-xr-x. 2 root root 6 Sep 27 19:17 anaconda drwx&#8212;&#8212;. 2 root root 99 Jan 3 08:23 audit -rw-rw&#8212;-. 1 root utmp 1234560 Jan 3 16:16 btmp -rw-rw&#8212;-. 1 root utmp 17305344 Jan 1 00:00 btmp-20230101 drwxr-x&#8212;. 2 chrony chrony 6 Aug 10 2021 chrony -rw-r&#8211;r&#8211;. 1 root root 130466 Dec 8 22:12 cloud-init.log -rw-r&#8212;&#8211;. 1 root adm 10306 Dec 8 22:12 cloud-init-output.log -rw&#8212;&#8212;-. 1 root root 36979 Jan 3 16:03 cron -rw&#8212;&#8212;-. 1 root root 27360 Dec 10 23:15 cron-20221211 -rw&#8212;&#8212;-. 1 root root 94140 Dec 17 23:07 cron-20221218 -rw&#8212;&#8212;-. 1 root root 95126 Dec 24 23:14 cron-20221225 -rw&#8212;&#8212;-. 1 root root 95309 Dec 31 23:04 cron-20230101 \u2026<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<h2>\u30b9\u30c6\u30c3\u30d72 &#8211; \u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u8868\u793a\u3059\u308b<\/h2>\n<p>\u4ee5\u4e0b\u306f\u3001\/var\/log\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u3067\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u4e00\u822c\u7684\u306a\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li>wtmp<\/li>\n<li>utmp<\/li>\n<li>dmesg<\/li>\n<li>messages<\/li>\n<li>maillog or mail.log<\/li>\n<li>spooler<\/li>\n<li>auth.log or secure<\/li>\n<\/ul>\n<p>wtm \u304a\u3088\u3073 utmp \u30d5\u30a1\u30a4\u30eb\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u30ed\u30b0\u30a4\u30f3\u304a\u3088\u3073\u30ed\u30b0\u30a2\u30a6\u30c8\u3092\u8ffd\u8de1\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u7aef\u672b\u4e0a\u3067\u76f4\u63a5 cat \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u8aad\u3080\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u305d\u306e\u4ed6\u306e\u7279\u5b9a\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u3053\u308c\u3089\u306e\u30b3\u30de\u30f3\u30c9\u306e\u3044\u304f\u3064\u304b\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>Linux\u30b5\u30fc\u30d0\u30fc\u306b\u73fe\u5728\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001who\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u306e\u30b3\u30de\u30f3\u30c9\u306f\u3001\/var\/run\/utmp\u30d5\u30a1\u30a4\u30eb\uff08CentOS\u3068Debian\u306e\u5834\u5408\uff09\u307e\u305f\u306f\/run\/utmp\uff08Ubuntu\u306e\u5834\u5408\uff09\u304b\u3089\u5024\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306fUbuntu\u304b\u3089\u306e\u4f8b\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>root@ubuntu-22:~# who root pts\/0 2023-01-03 16:23 (198.211.111.194)<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u7279\u5b9a\u306e\u5834\u5408\u306b\u304a\u3044\u3066\u3001\u79c1\u305f\u3061\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u552f\u4e00\u306e\u5229\u7528\u8005\u3067\u3059\u3002<\/p>\n<p>\u6700\u5f8c\u306e\u30b3\u30de\u30f3\u30c9\u306f\u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30b0\u30a4\u30f3\u5c65\u6b74\u3092\u8868\u793a\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>root@ubuntu-22:~# last root pts\/0 198.211.111.194 Tue Jan 3 16:23 still logged in reboot system boot 5.19.0-23-generi Thu Dec 8 21:48 still running wtmp begins Thu Dec 8 21:48:51 2022<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u7279\u5b9a\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u691c\u7d22\u3059\u308b\u305f\u3081\u306b\u3001\u6700\u5f8c\u306e\u30b3\u30de\u30f3\u30c9\u306b\u30d1\u30a4\u30d7\uff08|\uff09\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30b7\u30b9\u30c6\u30e0\u304c\u6700\u5f8c\u306b\u518d\u8d77\u52d5\u3055\u308c\u305f\u65e5\u6642\u3092\u77e5\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">last <span class=\"token function\">reboot<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30c7\u30d3\u30a2\u30f3\u3067\u306e\u7d50\u679c\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 (Debian\u3067\u306e\u7d50\u679c\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002)<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>root@debian-11-trim:~# last reboot reboot system boot 5.10.0-11-amd64 Thu Dec 8 21:49 still running wtmp begins Thu Dec 8 21:49:39 2022<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6700\u5f8c\u306b\u8ab0\u304c\u30b7\u30b9\u30c6\u30e0\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u305f\u304b\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001lastlog\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">lastlog<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>Debian\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u51fa\u529b\u304c\u8868\u793a\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>root@debian-11-trim:~# lastlog Username Port From Latest root pts\/0 162.243.188.66 Tue Jan 3 16:23:03 +0000 2023 daemon **Never logged in** bin **Never logged in** sys **Never logged in** sync **Never logged in** games **Never logged in** man **Never logged in** lp **Never logged in** mail **Never logged in** news **Never logged in** uucp **Never logged in** proxy **Never logged in** www-data **Never logged in** backup **Never logged in** list **Never logged in** irc **Never logged in** gnats **Never logged in** nobody **Never logged in** _apt **Never logged in** messagebus **Never logged in** uuidd **Never logged in** \u2026<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4ed6\u306e\u30c6\u30ad\u30b9\u30c8\u30d9\u30fc\u30b9\u306e\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3067\u306f\u3001cat\u3001head\u3001\u307e\u305f\u306ftail\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5185\u5bb9\u3092\u8aad\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\u3001Debian\u30b5\u30fc\u30d0\u30fc\u306e\/var\/log\/messages\u30d5\u30a1\u30a4\u30eb\u306e\u6700\u5f8c\u306e10\u884c\u3092\u898b\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">tail<\/span> \/var\/log\/messages<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3042\u306a\u305f\u306f\u3053\u306e\u3088\u3046\u306a\u51fa\u529b\u3092\u53d7\u3051\u53d6\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>root@debian-11-trim:~# tail \/var\/log\/messages Jan 1 00:10:14 debian-11-trim rsyslogd: [origin software=&#8221;rsyslogd&#8221; swVersion=&#8221;8.2102.0&#8243; x-pid=&#8221;30025&#8243; x-info=&#8221;https:\/\/www.rsyslog.com&#8221;] rsyslogd was HUPed Jan 3 16:23:01 debian-11-trim vServerAgent[808]: INFO:2023\/01\/03 16:23:01 ssh_watcher.go:65: [SSH Watcher] Port knocking detected. Jan 3 16:23:01 debian-11-trim vServerAgent[808]: INFO:2023\/01\/03 16:23:01 do_managed_keys_actioner.go:43: [DO-Managed Keys Actioner] Metadata contains 1 ssh keys and 1 dotty keys Jan 3 16:23:01 debian-11-trim vServerAgent[808]: INFO:2023\/01\/03 16:23:01 do_managed_keys_actioner.go:49: [DO-Managed Keys Actioner] Attempting to update 1 dotty keys Jan 3 16:23:01 debian-11-trim vServerAgent[808]: INFO:2023\/01\/03 16:23:01 do_managed_keys_actioner.go:70: [DO-Managed Keys Actioner] Updating 2 keys Jan 3 16:23:01 debian-11-trim vServerAgent[808]: INFO:2023\/01\/03 16:23:01 do_managed_keys_actioner.go:75: [DO-Managed Keys Actioner] Keys updated<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<h2>\u30b9\u30c6\u30c3\u30d73 &#8211; rsyslog\u30c7\u30fc\u30e2\u30f3\u306e\u4f7f\u7528<\/h2>\n<p>\u30ed\u30b0\u30e1\u30ab\u30cb\u30ba\u30e0\u306e\u4e2d\u5fc3\u306b\u3042\u308b\u306e\u306f\u3001rsyslog\u30c7\u30fc\u30e2\u30f3\u3067\u3059\u3002\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u306f\u3001Linux\u30b7\u30b9\u30c6\u30e0\u306e\u3055\u307e\u3056\u307e\u306a\u90e8\u5206\u304b\u3089\u306e\u30ed\u30b0\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u4fe1\u3057\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9069\u5207\u306a\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\uff08\/var\/log\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\uff09\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u30ed\u30b0\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5225\u306eLinux\u30b5\u30fc\u30d0\u30fc\u306b\u8ee2\u9001\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>rsyslog\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb<\/h3>\n<p>rsyslog\u30c7\u30fc\u30e2\u30f3\u306f\u3001rsyslog.conf\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u8a2d\u5b9a\u60c5\u5831\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u306f\/etc\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u4e2d\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>rsyslog.conf\u30d5\u30a1\u30a4\u30eb\u306f\u3001rsyslog\u30c7\u30fc\u30e2\u30f3\u306b\u30ed\u30b0\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u4fdd\u5b58\u3059\u308b\u5834\u6240\u3092\u6307\u793a\u3057\u307e\u3059\u3002\u3053\u306e\u6307\u793a\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u5185\u306e2\u3064\u306e\u30d1\u30fc\u30c8\u304b\u3089\u306a\u308b\u4e00\u9023\u306e\u884c\u304b\u3089\u6765\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u300cUbuntu\u300d\u306e\u300crsyslog.d\/50-default.conf\u300d\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e8c\u3064\u306e\u90e8\u5206\u304b\u3089\u306a\u308b\u6307\u793a\u306f\u3001\u30bb\u30ec\u30af\u30bf\u3068\u30a2\u30af\u30b7\u30e7\u30f3\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u4e8c\u3064\u306e\u90e8\u5206\u306f\u3001\u7a7a\u767d\u3067\u533a\u5207\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30bb\u30ec\u30af\u30bf\u30d1\u30fc\u30c8\u306f\u3001\u30ed\u30b0\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30bd\u30fc\u30b9\u3068\u91cd\u8981\u6027\u3092\u6307\u5b9a\u3057\u3001\u30a2\u30af\u30b7\u30e7\u30f3\u30d1\u30fc\u30c8\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u51e6\u7406\u65b9\u6cd5\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u30bb\u30ec\u30af\u30bf\u30fc\u81ea\u4f53\u306f\u3001\u30c9\u30c3\u30c8\uff08.\uff09\u306b\u3088\u3063\u3066\u5206\u304b\u308c\u3066\u3044\u308b2\u3064\u306e\u90e8\u5206\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002\u30c9\u30c3\u30c8\u306e\u524d\u306e\u6700\u521d\u306e\u90e8\u5206\u306f\u300c\u65bd\u8a2d\uff08\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u767a\u4fe1\u5143\uff09\u300d\u3068\u547c\u3070\u308c\u3001\u30c9\u30c3\u30c8\u306e\u5f8c\u306e2\u756a\u76ee\u306e\u90e8\u5206\u306f\u300c\u512a\u5148\u5ea6\uff08\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6df1\u523b\u3055\uff09\u300d\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n<p>\u65bd\u8a2d\/\u512a\u5148\u5ea6\u3068\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u7d44\u5408\u308f\u305b\u306f\u3001\u6761\u4ef6\u306b\u5408\u81f4\u3059\u308b\u30ed\u30b0\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u751f\u6210\u3055\u308c\u305f\u5834\u5408\u306b\u3001rsyslog\u306b\u4f55\u3092\u3059\u308b\u304b\u3092\u4f1d\u3048\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001CentOS\u306e\/etc\/rsyslog.conf\u30d5\u30a1\u30a4\u30eb\u306e\u629c\u7c8b\u3092\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">cat<\/span> \/etc\/rsyslog.conf<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u51fa\u529b\u7d50\u679c\u306f\u3053\u306e\u3088\u3046\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p># rsyslog configuration file # For more information see \/usr\/share\/doc\/rsyslog-*\/rsyslog_conf.html # or latest version online at http:\/\/www.rsyslog.com\/doc\/rsyslog_conf.html # If you experience problems, see http:\/\/www.rsyslog.com\/doc\/troubleshoot.html #### GLOBAL DIRECTIVES #### # Where to place auxiliary files global(workDirectory=&#8221;\/var\/lib\/rsyslog&#8221;) # Use default timestamp format module(load=&#8221;builtin:omfile&#8221; Template=&#8221;RSYSLOG_TraditionalFileFormat&#8221;) # Include all config files in \/etc\/rsyslog.d\/ include(file=&#8221;\/etc\/rsyslog.d\/*.conf&#8221; mode=&#8221;optional&#8221;) #### MODULES #### module(load=&#8221;imuxsock&#8221; # provides support for local system logging (e.g. via logger command) SysSock.Use=&#8221;off&#8221;) # Turn off message reception via local log socket; # local messages are retrieved through imjournal now. module(load=&#8221;imjournal&#8221; # provides access to the systemd journal StateFile=&#8221;imjournal.state&#8221;) # File to store the position in the journal #module(load=&#8221;imklog&#8221;) # reads kernel messages (the same are read from journald) #module(load=&#8221;immark&#8221;) # provides &#8211;MARK&#8211; message capability # Provides UDP syslog reception # for parameters see http:\/\/www.rsyslog.com\/doc\/imudp.html #module(load=&#8221;imudp&#8221;) # needs to be done just once #input(type=&#8221;imudp&#8221; port=&#8221;514&#8243;) \u2026<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u308c\u304c\u3059\u3079\u3066\u3069\u3046\u3044\u3046\u610f\u5473\u3092\u6301\u3064\u306e\u304b\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3001Linux\u3067\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u65bd\u8a2d\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u306b\u30ea\u30b9\u30c8\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li>auth or authpriv: Messages coming from authorization and security related events<\/li>\n<li>kern: Any message coming from the Linux kernel<\/li>\n<li>mail: Messages generated by the mail subsystem<\/li>\n<li>cron: Cron daemon related messages<\/li>\n<li>daemon: Messages coming from daemons<\/li>\n<li>news: Messages coming from network news subsystem<\/li>\n<li>lpr: Printing related log messages<\/li>\n<li>user: Log messages coming from user programs<\/li>\n<li>local0 to local7: Reserved for local use<\/li>\n<\/ul>\n<p>\u305d\u3057\u3066\u3001\u4ee5\u4e0b\u306f\u512a\u5148\u9806\u4f4d\u306e\u6607\u9806\u306b\u8868\u793a\u3055\u308c\u305f\u30ea\u30b9\u30c8\u3067\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li>debug: Debug information from programs<\/li>\n<li>info: Simple informational message &#8211; no intervention is required<\/li>\n<li>notice: Condition that may require attention<\/li>\n<li>warn: Warning<\/li>\n<li>err: Error<\/li>\n<li>crit: Critical condition<\/li>\n<li>alert: Condition that needs immediate intervention<\/li>\n<li>emerg: Emergency condition<\/li>\n<\/ul>\n<p>\u3067\u306f\u3001\u4eca\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u6b21\u306e\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u6b21\u306e\u884c\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u2026 # Log cron stuff cron.* \/var\/log\/cron \u2026<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4ee5\u4e0b\u306f\u3001\u65e5\u672c\u8a9e\u3067\u306e\u8868\u73fe\u4f8b\u3067\u3059\uff1a<br \/>\n\u3053\u306e\u8a2d\u5b9a\u306f\u3001rsyslog\u30c7\u30fc\u30e2\u30f3\u306b\u5bfe\u3057\u3066\u30af\u30fc\u30ed\u30f3\u30c7\u30fc\u30e2\u30f3\u304b\u3089\u9001\u3089\u308c\u3066\u304f\u308b\u3059\u3079\u3066\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u3001\/var\/log\/cron\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\u3059\u308b\u3088\u3046\u6307\u793a\u3057\u307e\u3059\u3002\u30c9\u30c3\u30c8\u306e\u5f8c\u308d\u306e\u30a2\u30b9\u30bf\u30ea\u30b9\u30af(*)\u306f\u3001\u3059\u3079\u3066\u306e\u91cd\u8981\u5ea6\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u30ed\u30b0\u306b\u8a18\u9332\u3055\u308c\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u540c\u69d8\u306b\u3001\u65bd\u8a2d\u304c\u30a2\u30b9\u30bf\u30ea\u30b9\u30af\u3067\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u3059\u3079\u3066\u306e\u30bd\u30fc\u30b9\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<p>\u8a2d\u5099\u3068\u512a\u5148\u9806\u4f4d\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u65b9\u6cd5\u3067\u95a2\u9023\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u5f62\u5f0f\u3067\u306f\u3001\u30c9\u30c3\u30c8\u306e\u5f8c\u306b\u512a\u5148\u5ea6\u304c1\u3064\u3060\u3051\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306e\u512a\u5148\u5ea6\u4ee5\u4e0a\u306e\u3059\u3079\u3066\u306e\u30a4\u30d9\u30f3\u30c8\u304c\u30c8\u30e9\u30c3\u30d7\u3055\u308c\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6b21\u306e\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u306b\u3088\u308a\u3001\u8b66\u544a\u4ee5\u4e0a\u306e\u512a\u5148\u5ea6\u3092\u6301\u3064\u30e1\u30fc\u30eb\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\/var\/log\u306e\u7279\u5b9a\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u30ed\u30b0\u304c\u8a18\u9332\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>mail.warn \/var\/log\/mail.warn<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001warn\u4ee5\u4e0a\u306e\u3059\u3079\u3066\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8a18\u9332\u3055\u308c\u307e\u3059\u304c\u3001\u305d\u308c\u4ee5\u4e0b\u306e\u3059\u3079\u3066\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u6b8b\u3057\u307e\u3059\u3002\u5f93\u3063\u3066\u3001err\u3001crit\u3001alert\u3001\u307e\u305f\u306femerg\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3082\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u8a18\u9332\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30c9\u30c3\u30c8\u306e\u5f8c\u308d\u306b\u7b49\u53f7\uff08=\uff09\u3092\u4f7f\u3046\u3068\u3001\u6307\u5b9a\u3057\u305f\u512a\u5148\u5ea6\u306e\u307f\u304c\u8a18\u9332\u3055\u308c\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30e1\u30fc\u30eb\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u306e\u60c5\u5831\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u307f\u3092\u30c8\u30e9\u30c3\u30d7\u3057\u305f\u3044\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u4ed5\u69d8\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>mail.=info \/var\/log\/mail.info<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3082\u3057\u79c1\u305f\u3061\u304c\u3001\u60c5\u5831\u30e1\u30c3\u30bb\u30fc\u30b8\u4ee5\u5916\u306e\u3059\u3079\u3066\u306e\u30e1\u30fc\u30eb\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u3092\u30c8\u30e9\u30c3\u30d7\u3057\u305f\u3044\u5834\u5408\u3001\u4ed5\u69d8\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>mail.!info \/var\/log\/mail.info<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u307e\u305f\u306f<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>mail.!=info \/var\/log\/mail.info<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6700\u521d\u306e\u5834\u5408\u3001mail.info\u30d5\u30a1\u30a4\u30eb\u306b\u306finfo\u3088\u308a\u3082\u4f4e\u3044\u512a\u5148\u5ea6\u306e\u3059\u3079\u3066\u304c\u542b\u307e\u308c\u307e\u3059\u3002\uff12\u756a\u76ee\u306e\u5834\u5408\u3001\u30d5\u30a1\u30a4\u30eb\u306b\u306finfo\u4ee5\u4e0a\u306e\u512a\u5148\u5ea6\u3092\u6301\u3064\u3059\u3079\u3066\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<p>\u540c\u3058\u884c\u306b\u3042\u308b\u8907\u6570\u306e\u8a2d\u5099\u306f\u3001\u30ab\u30f3\u30de\u3067\u533a\u5207\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u540c\u4e00\u884c\u5185\u306e\u8907\u6570\u306e\u30bd\u30fc\u30b9\uff08facility.priority\uff09\u306f\u30bb\u30df\u30b3\u30ed\u30f3\u3067\u533a\u5207\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u30a2\u30b9\u30bf\u30ea\u30b9\u30af\u304c\u4ed8\u4e0e\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u6307\u3057\u307e\u3059\u3002CentOS\u306ersyslog.conf\u30d5\u30a1\u30a4\u30eb\u306e\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u306f\u307e\u3055\u306b\u305d\u308c\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p># Everybody gets emergency messages *.emerg :omusrmsg:*<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>Linux\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308brsyslog.conf\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u78ba\u8a8d\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u4ee5\u4e0b\u306fDebian\u30b5\u30fc\u30d0\u30fc\u306e\u4e00\u90e8\u306e\u4f8b\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p># \/etc\/rsyslog.conf configuration file for rsyslog # # For more information install rsyslog-doc and see # \/usr\/share\/doc\/rsyslog-doc\/html\/configuration\/index.html ################# #### MODULES #### ################# module(load=&#8221;imuxsock&#8221;) # provides support for local system logging module(load=&#8221;imklog&#8221;) # provides kernel logging support #module(load=&#8221;immark&#8221;) # provides &#8211;MARK&#8211; message capability # provides UDP syslog reception #module(load=&#8221;imudp&#8221;) #input(type=&#8221;imudp&#8221; port=&#8221;514&#8243;) # provides TCP syslog reception #module(load=&#8221;imtcp&#8221;) #input(type=&#8221;imtcp&#8221; port=&#8221;514&#8243;) ########################### #### GLOBAL DIRECTIVES #### ########################### # # Use traditional timestamp format. # To enable high precision timestamps, comment out the following line. # $ActionFileDefaultTemplate RSYSLOG_TraditionalFileFormat # # Set the default permissions for all log files. # $FileOwner root $FileGroup adm $FileCreateMode 0640 $DirCreateMode 0755 $Umask 0022 \u2026<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3054\u89a7\u306e\u901a\u308a\u3001Debian\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff0f\u8a8d\u8a3c\u30ec\u30d9\u30eb\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5168\u3066\/var\/log\/auth.log\u306b\u4fdd\u5b58\u3057\u3066\u3044\u307e\u3059\u304c\u3001CentOS\u306f\u305d\u308c\u3092\/var\/log\/secure\u4ee5\u4e0b\u306b\u4fdd\u5b58\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>rsyslog\u306e\u8a2d\u5b9a\u306f\u4ed6\u306e\u30ab\u30b9\u30bf\u30e0\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u3082\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30ab\u30b9\u30bf\u30e0\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306f\u901a\u5e38\u3001\/etc\/rsyslog.d\u306e\u7570\u306a\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u914d\u7f6e\u3055\u308c\u3066\u3044\u307e\u3059\u3002rsyslog.conf\u30d5\u30a1\u30a4\u30eb\u306f$IncludeConfig\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u4f7f\u3063\u3066\u3053\u308c\u3089\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u542b\u307f\u307e\u3059\u3002<\/p>\n<p>Ubuntu\u3067\u306f\u3001\u3053\u308c\u304c\u3069\u306e\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u2026 # # Include all config files in \/etc\/rsyslog.d\/ # $IncludeConfig \/etc\/rsyslog.d\/*.conf \u2026<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u300c\/etc\/rsyslog.d\u300d\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306e\u5185\u5bb9\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">ls<\/span> <span class=\"token parameter variable\">-l<\/span> \/etc\/rsyslog.d<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u306f\u3001\u3053\u308c\u306b\u4f3c\u305f\u3082\u306e\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>-rw-r&#8211;r&#8211; 1 root root 314 Sep 19 2021 20-ufw.conf -rw-r&#8211;r&#8211; 1 root root 255 Sep 30 22:07 21-cloudinit.conf -rw-r&#8211;r&#8211; 1 root root 1124 Nov 16 2021 50-default.conf<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30ed\u30b0\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9001\u4fe1\u5148\u306f\u5fc5\u305a\u3057\u3082\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u30e6\u30fc\u30b6\u30fc\u306e\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u9001\u3089\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u30a2\u30af\u30b7\u30e7\u30f3\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u306f\u30e6\u30fc\u30b6\u30fc\u540d\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u8907\u6570\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u306f\u30ab\u30f3\u30de\u3067\u533a\u5207\u3089\u308c\u307e\u3059\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001\u30a2\u30af\u30b7\u30e7\u30f3\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u306f\u30a2\u30b9\u30bf\u30ea\u30b9\u30af\uff08 * \uff09\u304c\u6307\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306e\u4e00\u90e8\u3067\u3042\u308brsyslog\u30c7\u30fc\u30e2\u30f3\u306f\u3001\u30ed\u30b0\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30ed\u30fc\u30ab\u30eb\u306b\u4fdd\u5b58\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u5225\u306eLinux\u30b5\u30fc\u30d0\u30fc\u306b\u8ee2\u9001\u3057\u305f\u308a\u3001\u4ed6\u306e\u30b7\u30b9\u30c6\u30e0\u306e\u30ec\u30dd\u30b8\u30c8\u30ea\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u30c7\u30fc\u30e2\u30f3\u306fUDP\u30dd\u30fc\u30c8514\u3067\u30ed\u30b0\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u4fe1\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u306e\u91cd\u8981\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u300ctexas\u300d\u3068\u3044\u3046\u30b5\u30fc\u30d0\u30fc\u306b\u8ee2\u9001\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>kern.crit @texas<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<h2>\u30b9\u30c6\u30c3\u30d74 &#8211; \u81ea\u5206\u81ea\u8eab\u306e\u30ed\u30b0\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u4f5c\u6210\u3068\u30c6\u30b9\u30c8<\/h2>\n<p>\u3067\u306f\u3001\u4eca\u3042\u306a\u305f\u81ea\u8eab\u3067\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3059\u308b\u6642\u3067\u3059\u3002\u3053\u308c\u3092\u30c6\u30b9\u30c8\u3059\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li>Add a log file specification in \/etc\/rsyslog.conf file<\/li>\n<li>Restart the rsyslog daemon<\/li>\n<li>Test the configuration using the logger utility<\/li>\n<\/ul>\n<p>\u6b21\u306e\u4f8b\u3067\u306f\u3001CentOS Linux\u30b7\u30b9\u30c6\u30e0\u306ersyslog.conf\u30d5\u30a1\u30a4\u30eb\u306b2\u3064\u306e\u65b0\u3057\u3044\u884c\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3067\u308f\u304b\u308b\u3088\u3046\u306b\u3001\u305d\u308c\u305e\u308c\u306e\u884c\u306flocal4\u3068\u3044\u3046\u65bd\u8a2d\u304b\u3089\u6765\u3066\u304a\u308a\u3001\u7570\u306a\u308b\u512a\u5148\u5ea6\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">vi<\/span> \/etc\/rsyslog.conf<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u3061\u3089\u304c\u51fa\u529b\u7d50\u679c\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u2026 # New lines added for testing log message generation local4.crit \/var\/log\/local4crit.log local4.=info \/var\/log\/local4info.log<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6b21\u306b\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u30c7\u30fc\u30bf\u3092\u518d\u8aad\u307f\u8fbc\u307f\u3059\u308b\u305f\u3081\u306b\u30b5\u30fc\u30d3\u30b9\u3092\u518d\u8d77\u52d5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">\/etc\/init.d\/rsyslog restart<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u73fe\u5728\u3001\u30ed\u30b0\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306b\u3001\u30ed\u30ac\u30fc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">logger <span class=\"token parameter variable\">-p<\/span> local4.info <span class=\"token string\">&#8221; This is a info message from local 4&#8243;<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u300c\/var\/log\u300d\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u898b\u308b\u3068\u30012\u3064\u306e\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u2026 -rw&#8212;&#8212;- 1 root root 0 Jan 3 11:21 local4crit.log -rw&#8212;&#8212;- 1 root root 72 Jan 3 11:22 local4info.log \u2026<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30ed\u30fc\u30ab\u30eb4\u60c5\u5831\u30ed\u30b0\u306e\u30b5\u30a4\u30ba\u306f\u975e\u30bc\u30ed\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u958b\u304f\u3068\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8a18\u9332\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">cat<\/span> \/var\/log\/local4info.log<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>Jan 3 11:22:32 TestLinux root: This is a info message from local 4<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<h2>\u30b9\u30c6\u30c3\u30d75 &#8211; \u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb<\/h2>\n<p>\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u60c5\u5831\u306e\u66f8\u304d\u8fbc\u307f\u304c\u307e\u3059\u307e\u3059\u5897\u3048\u308b\u3068\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u30b5\u30a4\u30ba\u3082\u3069\u3093\u3069\u3093\u5927\u304d\u304f\u306a\u3063\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u660e\u3089\u304b\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6f5c\u5728\u7684\u306a\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u7ba1\u7406\u3082\u624b\u9593\u304c\u304b\u304b\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<p>Linux\u306f\u3001\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3092\u524a\u9664\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001\u56de\u8ee2\u3055\u305b\u308b\u3068\u3044\u3046\u30b3\u30f3\u30bb\u30d7\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u30ed\u30b0\u304c\u56de\u8ee2\u3055\u308c\u308b\u3068\u3001\u65b0\u3057\u3044\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u304c\u4f5c\u6210\u3055\u308c\u3001\u53e4\u3044\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306f\u540d\u524d\u304c\u5909\u66f4\u3055\u308c\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u5727\u7e2e\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u8907\u6570\u306e\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u6b8b\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u4e00\u5b9a\u671f\u9593\u3055\u304b\u306e\u307c\u308a\u3001\u904e\u53bb\u306e\u5c65\u6b74\u3092\u8868\u3057\u307e\u3059\u3002\u4e00\u5b9a\u6570\u306e\u30d0\u30c3\u30af\u30ed\u30b0\u304c\u751f\u6210\u3055\u308c\u308b\u3068\u3001\u65b0\u3057\u3044\u30ed\u30b0\u306e\u56de\u8ee2\u306b\u3088\u308a\u6700\u3082\u53e4\u3044\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u304c\u524a\u9664\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30ed\u30b0\u30ed\u30fc\u30c6\u30fc\u30c8\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u3092\u4ecb\u3057\u3066\u56de\u8ee2\u304c\u958b\u59cb\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3>logrotate\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb<\/h3>\n<p>rsyslog\u3068\u540c\u69d8\u306b\u3001logrotate\u3082\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306b\u4f9d\u5b58\u3057\u3066\u304a\u308a\u3001\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u540d\u524d\u306flogrotate.conf\u3067\u3059\u3002\u305d\u308c\u306f\/etc\u306e\u4e0b\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3042\u306a\u305f\u306eDebian\u30b5\u30fc\u30d0\u30fc\u306elogrotate.conf\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u5185\u5bb9\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">cat<\/span> \/etc\/logrotate.conf<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p># see &#8220;man logrotate&#8221; for details # global options do not affect preceding include directives # rotate log files weekly weekly # keep 4 weeks worth of backlogs rotate 4 # create new (empty) log files after rotating old ones create # use date as a suffix of the rotated file #dateext # uncomment this if you want your log files compressed #compress # packages drop log rotation information into this directory include \/etc\/logrotate.d # system-specific logs may also be configured here.<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306f\u9031\u3054\u3068\u306b\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3055\u308c\u3001\u6700\u5927\u30674\u3064\u306e\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u304c\u30aa\u30f3\u30e9\u30a4\u30f3\u4e0a\u306b\u4fdd\u6301\u3055\u308c\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u5b9f\u884c\u3055\u308c\u308b\u3068\u3001\u65b0\u3057\u3044\u7a7a\u306e\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u304c\u751f\u6210\u3055\u308c\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u524d\u306e\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u304c\u5727\u7e2e\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u552f\u4e00\u306e\u4f8b\u5916\u306f\u3001wtmp\u3068btmp\u306e\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002wtmp\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u30ed\u30b0\u30a4\u30f3\u3092\u8a18\u9332\u3057\u3001btmp\u306f\u4e0d\u6b63\u306a\u30ed\u30b0\u30a4\u30f3\u8a66\u884c\u3092\u8a18\u9332\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u6bce\u6708\u56de\u8ee2\u3055\u305b\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u3001\u524d\u306ewtmp\u307e\u305f\u306fbtmp\u30d5\u30a1\u30a4\u30eb\u304c\u898b\u3064\u304b\u3063\u305f\u5834\u5408\u3067\u3082\u30a8\u30e9\u30fc\u306f\u8fd4\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u30ab\u30b9\u30bf\u30e0\u306e\u30ed\u30b0\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u8a2d\u5b9a\u306f\u3001\/etc\/logrotate.d\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306b\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306finclude\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u4f7f\u7528\u3057\u3066logrotate.conf\u306b\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30c7\u30d3\u30a2\u30f3\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u306f\u3001\u3053\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u5185\u5bb9\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">ls<\/span> <span class=\"token parameter variable\">-l<\/span> \/etc\/logrotate.d<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>total 32 -rw-r&#8211;r&#8211; 1 root root 120 Jan 30 2021 alternatives -rw-r&#8211;r&#8211; 1 root root 173 Jun 10 2021 apt -rw-r&#8211;r&#8211; 1 root root 130 Oct 14 2019 btmp -rw-r&#8211;r&#8211; 1 root root 160 Oct 19 2021 chrony -rw-r&#8211;r&#8211; 1 root root 112 Jan 30 2021 dpkg -rw-r&#8211;r&#8211; 1 root root 374 Feb 17 2021 rsyslog -rw-r&#8211;r&#8211; 1 root root 235 Feb 19 2021 unattended-upgrades -rw-r&#8211;r&#8211; 1 root root 145 Oct 14 2019 wtmp<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>rsyslog\u306e\u5185\u5bb9\u3067\u306f\u3001\u8907\u6570\u306e\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3092\u30ea\u30b5\u30a4\u30af\u30eb\u3059\u308b\u65b9\u6cd5\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">cat<\/span> \/etc\/logrotate.d\/rsyslog<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\/var\/log\/syslog \/var\/log\/mail.info \/var\/log\/mail.warn \/var\/log\/mail.err \/var\/log\/mail.log \/var\/log\/daemon.log \/var\/log\/kern.log \/var\/log\/auth.log \/var\/log\/user.log \/var\/log\/lpr.log \/var\/log\/cron.log \/var\/log\/debug \/var\/log\/messages { rotate 4 weekly missingok notifempty compress delaycompress sharedscripts postrotate \/usr\/lib\/rsyslog\/rsyslog-rotate endscript }<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6bce\u65e5\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u30d5\u30a1\u30a4\u30eb\u306f\u518d\u521d\u671f\u5316\u3055\u308c\u30014\u65e5\u5206\u306e\u30ed\u30b0\u304c\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u4fdd\u6301\u3055\u308c\u307e\u3059\u3002\u4ed6\u306e\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306f\u9031\u3054\u3068\u306b\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u6ce8\u610f\u3059\u3079\u304d\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066postrotate\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30ed\u30b0\u306e\u5168\u4f53\u7684\u306a\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u5b8c\u4e86\u3057\u305f\u5f8c\u306b\u884c\u308f\u308c\u308b\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d76 &#8211; \u56de\u8ee2\u306e\u30c6\u30b9\u30c8<\/h2>\n<p>logrotate\u306f\u30011\u3064\u4ee5\u4e0a\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30ea\u30b5\u30a4\u30af\u30eb\u3059\u308b\u305f\u3081\u306b\u624b\u52d5\u3067\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u30b3\u30de\u30f3\u30c9\u306e\u5f15\u6570\u3068\u3057\u3066\u95a2\u9023\u3059\u308b\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u304c\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001\u30c6\u30b9\u30c8\u7528CentOS\u30b5\u30fc\u30d0\u30fc\u306e\/var\/log\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306e\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306e\u4e00\u90e8\u306e\u30ea\u30b9\u30c8\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">ls<\/span> <span class=\"token parameter variable\">-l<\/span> \/var\/log<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>total 49324 \u2026 -rw&#8212;&#8212;-. 1 root root 84103 Jan 3 17:20 messages -rw&#8212;&#8212;-. 1 root root 165534 Dec 10 23:12 messages-20221211 -rw&#8212;&#8212;-. 1 root root 254743 Dec 18 00:00 messages-20221218 -rw&#8212;&#8212;-. 1 root root 217810 Dec 25 00:00 messages-20221225 -rw&#8212;&#8212;-. 1 root root 237726 Dec 31 23:45 messages-20230101 drwx&#8212;&#8212;. 2 root root 6 Mar 2 2022 private drwxr-xr-x. 2 root root 6 Feb 24 2022 qemu-ga lrwxrwxrwx. 1 root root 39 Mar 2 2022 README -&gt; ..\/..\/usr\/share\/doc\/systemd\/README.logs -rw&#8212;&#8212;-. 1 root root 2514753 Jan 3 17:25 secure -rw&#8212;&#8212;-. 1 root root 2281107 Dec 10 23:59 secure-20221211 -rw&#8212;&#8212;-. 1 root root 9402839 Dec 17 23:59 secure-20221218 -rw&#8212;&#8212;-. 1 root root 8208657 Dec 25 00:00 secure-20221225 -rw&#8212;&#8212;-. 1 root root 7081010 Dec 31 23:59 secure-20230101 drwxr-x&#8212;. 2 sssd sssd 6 Jan 17 2022 sssd -rw&#8212;&#8212;-. 1 root root 0 Dec 8 22:11 tallylog -rw-rw-r&#8211;. 1 root utmp 2688 Jan 3 16:22 wtmp<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>logrotate.conf\u30d5\u30a1\u30a4\u30eb\u306e\u4e00\u90e8\u306e\u5185\u5bb9\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059:<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">cat<\/span> \/etc\/logrotate.conf<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p># see &#8220;man logrotate&#8221; for details # global options do not affect preceding include directives # rotate log files weekly weekly # keep 4 weeks worth of backlogs rotate 4 # create new (empty) log files after rotating old ones create # use date as a suffix of the rotated file dateext # uncomment this if you want your log files compressed #compress # packages drop log rotation information into this directory include \/etc\/logrotate.d # system-specific logs may be also be configured here.<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6b21\u306b\u3001\u30ed\u30b0\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">logrotate<\/span> <span class=\"token parameter variable\">-fv<\/span> \/etc\/logrotate.conf<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u304c\u751f\u6210\u3055\u308c\u305f\u308a\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u308a\u3059\u308b\u3068\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3066\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u72b6\u6cc1\u304c\u843d\u3061\u7740\u3044\u305f\u5f8c\u3001\u65b0\u898f\u30e1\u30fc\u30eb\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u307e\u305f\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">ls<\/span> <span class=\"token parameter variable\">-l<\/span> \/var\/log\/mail*<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>-rw&#8212;&#8212;- 1 root root 0 Dec 17 18:34 \/var\/log\/maillog -rw&#8212;&#8212;-. 1 root root 1830 Dec 16 16:35 \/var\/log\/maillog-20131216 -rw&#8212;&#8212;- 1 root root 359 Dec 17 18:25 \/var\/log\/maillog-20131217<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">ls<\/span> <span class=\"token parameter variable\">-l<\/span> \/var\/log\/messages*<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>-rw&#8212;&#8212;- 1 root root 148 Dec 17 18:34 \/var\/log\/messages -rw&#8212;&#8212;-. 1 root root 180429 Dec 16 16:35 \/var\/log\/messages-20131216 -rw&#8212;&#8212;- 1 root root 30554 Dec 17 18:25 \/var\/log\/messages-20131217<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code>ls -l \/var\/log\/secure*\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>-rw-------  1 root root    0 Jan 3 12:34 \/var\/log\/secure\r\n-rw-------. 1 root root 4187 Jan 3 16:41 \/var\/log\/secure-20230103 \r\n-rw-------  1 root root  591 Jan 3 18:28 \/var\/log\/secure-20230103 ```\r\n<\/code><\/pre>\n<p>\u79c1\u305f\u3061\u306f\u5206\u304b\u308b\u3088\u3046\u306b\u3001\u65b0\u305f\u306b\u4f5c\u6210\u3055\u308c\u305f3\u3064\u306e\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u30e1\u30fc\u30eb\u30ed\u30b0\u3068\u30bb\u30ad\u30e5\u30a2\u30d5\u30a1\u30a4\u30eb\u306f\u307e\u3060\u7a7a\u3067\u3059\u304c\u3001\u65b0\u3057\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u65e2\u306b\u3044\u304f\u3064\u304b\u306e\u30c7\u30fc\u30bf\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067Linux\u306e\u30ed\u30ae\u30f3\u30b0\u306b\u3064\u3044\u3066\u306e\u30a2\u30a4\u30c7\u30a2\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002\u3054\u81ea\u8eab\u306e\u958b\u767a\u3084\u30c6\u30b9\u30c8\u30b7\u30b9\u30c6\u30e0\u3092\u8abf\u3079\u3066\u3001\u3088\u308a\u826f\u3044\u7406\u89e3\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306e\u5834\u6240\u3084\u8a2d\u5b9a\u306b\u6163\u308c\u305f\u3089\u3001\u305d\u306e\u77e5\u8b58\u3092\u751f\u7523\u30b7\u30b9\u30c6\u30e0\u306e\u30b5\u30dd\u30fc\u30c8\u306b\u6d3b\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3001\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u3059\u30a8\u30a4\u30ea\u30a2\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3067\u3001\u5165\u529b\u6642\u9593\u3092\u7bc0\u7d04\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b Linux \u30b7\u30b9\u30c6\u30e0\u306e\u7ba1\u7406\u8005\u306f\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u76ee\u7684\u3067\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u8005\u304c\u6700\u521d\u306b\u884c\u3046\u3053\u3068\u306e\u4e00\u3064\u3067\u3059\u3002 Linux\u3068\u305d\u308c\u304c\u4e0a\u3067\u52d5\u4f5c\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u3055\u307e [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,18],"class_list":["post-80","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-linux","tag-18"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium 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