{"id":129,"date":"2022-05-12T19:03:01","date_gmt":"2022-05-12T11:03:01","guid":{"rendered":"https:\/\/frogvps.com\/?p=129"},"modified":"2022-05-18T12:34:55","modified_gmt":"2022-05-18T04:34:55","slug":"rsyslog%e6%95%99%e7%a8%8b%ef%bc%9alinux%e7%b3%bb%e7%bb%9f%e6%97%a5%e5%bf%97%e6%9c%8d%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/frogvps.com\/?p=129","title":{"rendered":"rsyslog\u6559\u7a0b: linux\u7cfb\u7edf\u65e5\u5fd7\u670d\u52a1"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">rsyslog\u662fCentOS 6 \u4ee5\u540e\u7248\u672c\u7684\u7cfb\u7edf\u7ba1\u7406\u670d\u52a1\u3002\u5b83\u63d0\u4f9b\u4e86\u9ad8\u6027\u80fd\uff0c\u51fa\u8272\u7684\u5b89\u5168\u6027\u548c\u6a21\u5757\u5316\u8bbe\u8ba1\u3002 \u5c3d\u7ba1 rsyslog\u6700\u521d\u662f\u5e38\u89c4\u7684syslogd\uff0c\u4f46\u5df2\u53d1\u5c55\u6210\u4e3a\u4e00\u79cd\u745e\u58eb\u519b\u5200\u5f0f\u7684\u8bb0\u5f55\u5de5\u5177\uff0c\u80fd\u591f\u63a5\u53d7\u6765\u81ea\u5404\u79cd\u6765\u6e90\u7684\u8f93 \u5165\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\uff0c\u7136\u540e\u8f93\u51fa\u5230\u4e0d\u540c\u7684\u76ee\u7684\u5730\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b98\u65b9\u7f51\u7ad9: <a rel=\"nofollow\" href=\"https:\/\/www.rsyslog.com\/\">https:\/\/www.rsyslog.com\/<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">rsyslog \u7279\u6027<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>\u591a\u7ebf\u7a0b<\/li><li>UDP, TCP, SSL, TLS, RELP<\/li><li>MySQL, PGSQL, Oracle\u5b9e\u73b0\u65e5\u5fd7\u5b58\u50a8<\/li><li>\u5f3a\u5927\u7684\u8fc7\u6ee4\u5668\uff0c\u53ef\u5b9e\u73b0\u8fc7\u6ee4\u8bb0\u5f55\u65e5\u5fd7\u4fe1\u606f\u4e2d\u4efb\u610f\u90e8\u5206<\/li><li>\u81ea\u5b9a\u4e49\u8f93\u51fa\u683c\u5f0f<\/li><li>\u9002\u7528\u4e8e\u4f01\u4e1a\u7ea7\u4e2d\u7ee7\u94fe<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"676\" src=\"https:\/\/frogvps.com\/wp-content\/uploads\/2022\/05\/20220511a1-1024x676.jpg\" alt=\"\" class=\"wp-image-191\" srcset=\"https:\/\/frogvps.com\/wp-content\/uploads\/2022\/05\/20220511a1-1024x676.jpg 1024w, https:\/\/frogvps.com\/wp-content\/uploads\/2022\/05\/20220511a1-300x198.jpg 300w, https:\/\/frogvps.com\/wp-content\/uploads\/2022\/05\/20220511a1-768x507.jpg 768w, https:\/\/frogvps.com\/wp-content\/uploads\/2022\/05\/20220511a1.jpg 1125w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">rsyslog \u7ba1\u7406<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7cfb\u7edf\u65e5\u5fd7\u672f\u8bed<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">facility\uff1a\u8bbe\u65bd\uff0c\u4ece\u529f\u80fd\u6216\u7a0b\u5e8f\u4e0a\u5bf9\u65e5\u5fd7\u8fdb\u884c\u5f52\u7c7b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#\u5185\u7f6e\u5206\u7c7b<br>auth, authpriv, cron, daemon,ftp,kern, lpr, mail, news, security(auth),<br>user, uucp, syslog<br>#\u81ea\u5b9a\u4e49\u7684\u5206\u7c7b<br>local0-local7<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Priority\uff1a\u4f18\u5148\u7ea7\u522b\uff0c\u4ece\u4f4e\u5230\u9ad8\u6392\u5e8f<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>debug, info, notice, warn(warning), err(error), crit(critical), alert,emerg(panic)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u67e5\u770b\u5e2e\u52a9\uff1aman 3 syslog\uff0cman logger\uff0cman rsyslogd<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>rsyslog \u76f8\u5173\u6587\u4ef6<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u7a0b\u5e8f\u5305\uff1arsyslog<\/li><li>\u4e3b\u7a0b\u5e8f\uff1a\/usr\/sbin\/rsyslogd<\/li><li>CentOS 6\uff1a\/etc\/rc.d\/init.d\/rsyslog {start|stop|restart|status}<\/li><li>CentOS 7,8\u3001Ubuntu: \/lib\/systemd\/system\/rsyslog.service<\/li><li>\u914d\u7f6e\u6587\u4ef6\uff1a\/etc\/rsyslog.conf\uff0c\/etc\/rsyslog.d\/*.conf<\/li><li>\u5e93\u6587\u4ef6\uff1a \/lib64\/rsyslog\/*.so<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>rsyslog\u914d\u7f6e\u6587\u4ef6<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\/etc\/rsyslog.conf \u914d\u7f6e\u6587\u4ef6\u683c\u5f0f\uff1a\u7531\u4e09\u90e8\u5206\u7ec4\u6210<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>MODULES\uff1a\u76f8\u5173\u6a21\u5757\u914d\u7f6e<\/li><li>GLOBAL DIRECTIVES\uff1a\u5168\u5c40\u914d\u7f6e<\/li><li>RULES\uff1a\u65e5\u5fd7\u8bb0\u5f55\u76f8\u5173\u7684\u89c4\u5219\u914d\u7f6e<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">RULES\u914d\u7f6e\u683c\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>facility.priority; facility.priority\u2026 target<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">facility\u683c\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>* #\u6240\u6709\u7684facility<br>facility1,facility2,facility3,... #\u6307\u5b9a\u7684facility\u5217\u8868<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">priority\u683c\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>*: \u6240\u6709\u7ea7\u522b<br>none\uff1a\u6ca1\u6709\u7ea7\u522b\uff0c\u5373\u4e0d\u8bb0\u5f55<br>PRIORITY\uff1a\u6307\u5b9a\u7ea7\u522b\uff08\u542b\uff09\u4ee5\u4e0a\u7684\u6240\u6709\u7ea7\u522b<br>=PRIORITY\uff1a\u4ec5\u8bb0\u5f55\u6307\u5b9a\u7ea7\u522b\u7684\u65e5\u5fd7\u4fe1\u606f<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">target\u683c\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u6587\u4ef6\u8def\u5f84\uff1a\u901a\u5e38\u5728\/var\/log\/\uff0c\u6587\u4ef6\u8def\u5f84\u524d\u7684-\u8868\u793a\u5f02\u6b65\u5199\u5165\uff08\u4e0d\u7acb\u5373\u5199\u78c1\u76d8\u8282\u7ea6I\/O\uff09<br>\u7528\u6237\uff1a\u5c06\u65e5\u5fd7\u4e8b\u4ef6\u901a\u77e5\u7ed9\u6307\u5b9a\u7684\u7528\u6237\uff0c* \u8868\u793a\u767b\u5f55\u7684\u6240\u6709\u7528\u6237<br>\u65e5\u5fd7\u670d\u52a1\u5668\uff1a@host\uff0c\u628a\u65e5\u5fd7\u9001\u5f80\u81f3\u6307\u5b9a\u7684\u8fdc\u7a0bUDP\u65e5\u5fd7\u670d\u52a1\u5668 @@host \u5c06\u65e5\u5fd7\u53d1\u9001\u5230\u8fdc\u7a0bTCP\u65e5\u5fd7\u670d\u52a1\u5668<br>\u7ba1\u9053\uff1a | COMMAND\uff0c\u8f6c\u53d1\u7ed9\u5176\u5b83\u547d\u4ee4\u5904\u7406<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u5e38\u7684\u65e5\u5fd7\u6587\u4ef6\u7684\u683c\u5f0f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u65e5\u5fd7\u6587\u4ef6\u6709\u5f88\u591a\uff0c\u5982\uff1a \/var\/log\/messages,cron,secure\u7b49\uff0c\u57fa\u672c\u683c\u5f0f\u90fd\u662f\u7c7b\u4f3c\u7684\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4e8b\u4ef6\u4ea7\u751f\u7684\u65e5\u671f\u65f6\u95f4 \u4e3b\u673a \u8fdb\u7a0b(pid)\uff1a\u4e8b\u4ef6\u5185\u5bb9<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8303\u4f8b\uff1a\u5c06ssh\u670d\u52a1\u7684\u65e5\u5fd7\u8bb0\u5f55\u81f3\u81ea\u5b9a\u4e49\u7684local\u7684\u65e5\u5fd7\u8bbe\u5907(Ubuntu20.04)<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#\u4fee\u6539sshd\u670d\u52a1\u7684\u914d\u7f6e<br>vim \/etc\/ssh\/sshd_config<br>SyslogFacility AUTH<br>service sshd reload<br>\u200b<br>#\u4fee\u6539rsyslog\u7684\u914d\u7f6e<br>vim \/etc\/rsyslog.d\/50-default.conf<br>local2.* &nbsp; &nbsp; &nbsp;  -\/var\/log\/sshd.log<br>systemctl restart rsyslog<br>\u200b<br>#logger\u6d4b\u8bd5 \u53ef\u4ee5\u770b\u5230\u8bb0\u5f55<br>logger -p local2.info \"hello sshd\"<br>tail \/var\/log\/sshd.log <\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u542f\u7528\u7f51\u7edc\u65e5\u5fd7\u670d\u52a1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u542f\u7528\u7f51\u7edc\u65e5\u5fd7\u670d\u52a1\u529f\u80fd\uff0c\u53ef\u4ee5\u5c06\u591a\u4e2a\u8fdc\u7a0b\u4e3b\u673a\u7684\u65e5\u5fd7\uff0c\u53d1\u9001\u5230\u96c6\u4e2d\u7684\u65e5\u5fd7\u670d\u52a1\u5668\uff0c\u65b9\u4fbf\u7edf\u4e00\u7ba1\u7406\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#\u5728\u63a5\u53d7\u65e5\u5fd7\u7684\u8fdc\u7a0b\u4e3b\u673a\u914d\u7f6e<br>vim \/etc\/rsyslog.conf<br>#################<br>#### MODULES ####<br>#################<br>\u200b<br>module(load=\"imuxsock\") # provides support for local system logging<br>#module(load=\"immark\")  # provides --MARK-- message capability<br> &nbsp;<br># provides UDP syslog reception<br>module(load=\"imudp\")<br>input(type=\"imudp\" port=\"514\")<br>\u200b<br># provides TCP syslog reception<br>module(load=\"imtcp\")<br>input(type=\"imtcp\" port=\"514\")<br>\u200b<br># provides kernel logging support and enable non-kernel klog messages<br>module(load=\"imklog\" permitnonkernelfacility=\"on\")<br>\u200b<br>#\u5728\u672c\u5730\u4e3b\u673a\u914d\u7f6e\uff0cIP\u6362\u6210\u63a5\u53d7\u65e5\u5fd7\u7684\u4e3b\u673a\u5730\u5740<br>vim \/etc\/rsyslog.d\/50-default.conf<br>*.info;mail.none;authpriv.none;cron.none  @@107.182.18.49<br>*.info;mail.none;authpriv.none;cron.none  @107.182.18.49<br>\u200b<br>#\u914d\u7f6e\u5b8c\u4e24\u53f0\u4e3b\u673a\u90fd\u91cd\u542f\u670d\u52a1<br>systemctl restart rsyslog<br>#\u53d1\u9001\u6d4b\u8bd5\u65e5\u5fd7<br>logger \"test log\" <br>#\u53ef\u4ee5\u770b\u5230\u8fdc\u7a0b\u4e3b\u673a\u6709\u65e5\u5fd7<br>tail \/var\/log\/syslog<br>May 12 05:09:16 DMIT-iJboSKPbP4 root: test log<br>May 12 05:09:16 DMIT-iJboSKPbP4 root: test log<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5e38\u89c1\u65e5\u5fd7\u6587\u4ef6<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\/var\/log\/secure\uff1a\u7cfb\u7edf\u5b89\u5168\u65e5\u5fd7\uff0c\u6587\u672c\u683c\u5f0f\uff0c\u5e94\u5468\u671f\u6027\u5206\u6790<\/li><li>\/var\/log\/btmp\uff1a\u5f53\u524d\u7cfb\u7edf\u4e0a\uff0c\u7528\u6237\u7684\u5931\u8d25\u5c1d\u8bd5\u767b\u5f55\u76f8\u5173\u7684\u65e5\u5fd7\u4fe1\u606f\uff0c\u4e8c\u8fdb\u5236\u683c\u5f0f\uff0clastb\u547d\u4ee4\u8fdb\u884c\u67e5\u770b<\/li><li>\/var\/log\/wtmp\uff1a\u5f53\u524d\u7cfb\u7edf\u4e0a\uff0c\u7528\u6237\u6b63\u5e38\u767b\u5f55\u7cfb\u7edf\u7684\u76f8\u5173\u65e5\u5fd7\u4fe1\u606f\uff0c\u4e8c\u8fdb\u5236\u683c\u5f0f\uff0clast\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b<\/li><li>\/var\/log\/lastlog: \u6bcf\u4e00\u4e2a\u7528\u6237\u6700\u8fd1\u4e00\u6b21\u7684\u767b\u5f55\u4fe1\u606f\uff0c\u4e8c\u8fdb\u5236\u683c\u5f0f\uff0clastlog\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b<\/li><li>\/var\/log\/dmesg\uff1aCentOS7 \u4e4b\u524d\u7248\u672c\u7cfb\u7edf\u5f15\u5bfc\u8fc7\u7a0b\u4e2d\u7684\u65e5\u5fd7\u4fe1\u606f\uff0c\u6587\u672c\u683c\u5f0f\uff0c\u5f00\u673a\u540e\u7684\u786c\u4ef6\u53d8\u5316\u5c06\u4e0d\u518d\u8bb0\u5f55\u3002\u4e13\u7528\u547d\u4ee4dmesg\u67e5\u770b\uff0c\u53ef\u6301\u7eed\u8bb0\u5f55\u786c\u4ef6\u53d8\u5316\u7684\u60c5\u51b5<\/li><li>\/var\/log\/boot.log \u7cfb\u7edf\u670d\u52a1\u542f\u52a8\u7684\u76f8\u5173\u4fe1\u606f\uff0c\u6587\u672c\u683c\u5f0f<\/li><li>\/var\/log\/messages \uff1a\u7cfb\u7edf\u4e2d\u5927\u90e8\u5206\u7684\u4fe1\u606f<\/li><li>\/var\/log\/anaconda : anaconda\u7684\u65e5\u5fd7<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u627e\u51fa\u5931\u8d25\u767b\u5f55\u6b21\u6570\u6700\u591a\u7684\u524d10\u4e2aIP<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>lastb|grep -v btmp|awk '\/^&#91;^ ]\/{print $3}'|sort|uniq -c|sort -nr|head<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>rsyslog\u662fCentOS 6 \u4ee5\u540e\u7248\u672c\u7684\u7cfb\u7edf\u7ba1\u7406\u670d\u52a1\u3002\u5b83\u63d0\u4f9b\u4e86\u9ad8\u6027\u80fd\uff0c\u51fa\u8272\u7684\u5b89\u5168\u6027\u548c\u6a21\u5757\u5316\u8bbe\u8ba1\u3002 \u5c3d\u7ba1 rsyslog\u6700\u521d\u662f\u5e38\u89c4\u7684syslogd\uff0c\u4f46\u5df2\u53d1\u5c55\u6210\u4e3a\u4e00\u79cd\u745e\u58eb\u519b\u5200\u5f0f\u7684\u8bb0\u5f55\u5de5\u5177\uff0c\u80fd\u591f\u63a5\u53d7\u6765\u81ea\u5404\u79cd\u6765\u6e90\u7684\u8f93 \u5165\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\uff0c\u7136\u540e\u8f93\u51fa\u5230&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[15,34],"topic":[],"class_list":["post-129","post","type-post","status-publish","format-standard","hentry","category-linux","tag-linux","tag-34"],"_links":{"self":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts\/129","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=129"}],"version-history":[{"count":5,"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts\/129\/revisions"}],"predecessor-version":[{"id":192,"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts\/129\/revisions\/192"}],"wp:attachment":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=129"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=129"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftopic&post=129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}