{"id":567,"date":"2020-11-04T20:39:18","date_gmt":"2020-11-04T12:39:18","guid":{"rendered":"https:\/\/byy3.com\/?p=567"},"modified":"2021-01-19T21:42:06","modified_gmt":"2021-01-19T13:42:06","slug":"linux%e7%b3%bb%e7%bb%9f%e7%bb%b4%e6%8a%a4%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%a3%81%e7%9b%98%e6%bb%a1%e4%ba%86%e7%9a%84%e5%a4%84%e7%90%86%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/byy3.com\/?p=567","title":{"rendered":"linux\u7cfb\u7edf\u7ef4\u62a4\u670d\u52a1\u5668\u78c1\u76d8\u6ee1\u4e86\u7684\u5904\u7406\u65b9\u6cd5"},"content":{"rendered":"<p>\u4e00\u822c\u662f\u65e5\u5fd7\u6587\u4ef6\u6bd4\u8f83\u6ee1\u00a0 \u9002\u5f53\u91cd\u542f\u673a\u5668 \u6bd4\u5982ovh\u7684debian\u7cfb\u7edf\u79ef\u7d2f\u7684\u5783\u573e\u6587\u4ef6\u6bd4\u8f83\u5927\u91cd\u542f\u540e\u91ca\u653e<\/p>\n<p>\u67e5\u770bcd \/var\/log<\/p>\n<p>ls -lh\u00a0 \u4ee5M\u7684\u5f62\u5f0f\u67e5\u770b\u00a0 \u6216\u8005\u00a0 du -csh \/opt\/ \/var\/log \u67e5\u770bopt\u548clog\u6587\u4ef6\u5939\u7684\u5360\u7528\u5927\u5c0f<\/p>\n<p>\u4eca\u5929\u8fde\u63a5oracle\u6570\u636e\u5e93\u62a5\u9519\uff0c\u91cd\u542f\u6570\u636e\u5e93\u663e\u793a\u78c1\u76d8\u6ee1\u4e86\uff0c\u8bb0\u5f55\u4e00\u4e0b\u6211\u7684\u5904\u7406\u65b9\u6cd5\uff1a<\/p>\n<p>du -a\u67e5\u770b\u5f53\u524d\u76ee\u5f55\u4e0b\u6240\u6709\u6587\u4ef6\u5360\u7528\u7a7a\u95f4<\/p>\n<p>du -h<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-830\" data-original=\"https:\/\/byy3.com\/wp-content\/uploads\/2020\/11\/2021011722083566.jpg\" src=\"https:\/\/byy3.com\/wp-content\/themes\/MNews%20V2.4\/images\/post-loading.gif\" width=\"437\" height=\"87\" title=\"linux\u7cfb\u7edf\u7ef4\u62a4\u670d\u52a1\u5668\u78c1\u76d8\u6ee1\u4e86\u7684\u5904\u7406\u65b9\u6cd5\u63d2\u56fe\" alt=\"linux\u7cfb\u7edf\u7ef4\u62a4\u670d\u52a1\u5668\u78c1\u76d8\u6ee1\u4e86\u7684\u5904\u7406\u65b9\u6cd5\u63d2\u56fe\" \/><\/p>\n<p>1.df -h\u547d\u4ee4\uff1a\u901a\u8fc7df -h\u547d\u4ee4\u67e5\u770b\u786c\u76d8\u7684\u4f7f\u7528\u60c5\u51b5\uff1a\u53d1\u73b0vda3\u6302\u8f7d\u70b9\u5df2\u7ecf\u57fa\u672c\u6ee1\u4e86[\u8fd9\u4e2a\u8fd8\u662f\u5904\u7406\u540e\u7684\uff0c\u4e4b\u524d\u5230\u8fbe49G\u4e86]<\/p>\n<p>&nbsp;<\/p>\n<p>2.\u77e5\u9053\u4e86\u662f\u786c\u76d8\u6ee1\u4e86\u7684\u95ee\u9898\uff0cname\u4e0b\u4e00\u6b65\u5c31\u662f\u5f00\u59cb\u67e5\u627e\u670d\u52a1\u5668\u4e2d\u7684\u5927\u6587\u4ef6\uff0c\u4ece\u6839\u76ee\u5f55\u5f00\u59cb\u67e5\u627e\uff0c\u901a\u8fc7du -h --max-depth=1\u547d\u4ee4\uff0c\u53d1\u73b0\u662fhome\u6587\u4ef6\u5939\u5360\u7528\u7a7a\u95f4\u8f83\u591a<\/p>\n<p>&nbsp;<\/p>\n<p>cd .\/home,\u7136\u540e\u00a0\u901a\u8fc7du -h --max-depth=1\u547d\u4ee4\u4f9d\u6b21\u5f80\u4e0b\u67e5\u627e\uff0c\u6700\u540e\u53d1\u73b0\u662foracle\u5360\u7528\u7a7a\u95f4\u8f83\u5927<\/p>\n<p><strong>du -sh *<\/strong>\uff0c\u8fd9\u4e2a\u547d\u4ee4\u4e5f\u7528\u4e8e\u67e5\u770b\u5f53\u524d\u76ee\u5f55\u4e0b\u5404\u6587\u4ef6\u53ca\u6587\u4ef6\u5939\u5360\u7528\u5927\u5c0f\uff0c<\/p>\n<p>\u518d\u53bb\u4ed4\u7ec6\u67e5\u627e\u53d1\u73b0log\u6587\u4ef6\u4ee5\u53calistener.org\u5360\u7528\u8f83\u591a\uff0c\u5b9a\u4f4d\u5230\u4e86\u95ee\u9898\uff0c\u4e0b\u9762\u5c31\u662f\u89e3\u51b3\u95ee\u9898\uff1a<\/p>\n<p>\u6309\u7167\u4e0a\u8ff0\u7684\u67e5\u627e\u5927\u6587\u4ef6\u7684\u6b65\u9aa4\u5b9a\u4f4d\u53d1\u73b0\/home\/oracle\/app\/oracle\/diag\/tnslsnr\/WH-CS-116\/listener\/alert\u6587\u4ef6\u5939\u4e0b\u9762\u6709\u8d85\u8fc73G\u7684log\u6587\u4ef6\uff0c\u4e45\u8fdc\u7684log\u4e00\u822c\u7528\u4e0d\u5230\uff0c\u53ef\u6839\u636e\u81ea\u5df1\u7684\u60c5\u51b5\u5220\u9664\uff0c\u901a\u8fc7\u4e0b\u8ff0\u547d\u4ee4\u5220\u9664\u8be5\u6587\u4ef6\u5939\u4e0b\u6307\u5b9a\u5929\u6570\u4e4b\u524d\u7684\u6587\u4ef6\uff08\u4e0b\u9762\u5c55\u793a\u7684\u662f\u5220\u96645\u5929\u4ee5\u524d\u7684log\u6587\u4ef6\uff09\uff0c<\/p>\n<p>find . -mtime +5 -type f -name \"*\" -exec rm -f {} \\;<\/p>\n<p>\u5b8c\u6210\u4e0a\u8ff0\u64cd\u4f5c\uff0c\u91ca\u653e\u6389\u90e8\u5206\u5b58\u50a8\u7a7a\u95f4\uff0c<\/p>\n<p>\u4f46\u662f\u6211\u68c0\u67e5\u53d1\u73b0\/home\/oracle\/app\/oracle\/diag\/tnslsnr\/WH-CS-116\/listener\/trace\u8fd9\u4e2a\u6587\u4ef6\u52a0\u4e0b\u9762\u6709\u4e00\u4e2alistener.log\u7684\u6587\u4ef6\uff0c\u800c\u4e14\u5f88\u5927<\/p>\n<p>&nbsp;<\/p>\n<p>\u7f51\u4e0a\u641c\u7d22\u53d1\u73b0\u8fd9\u4e2a\u6587\u4ef6\u8fc7\u5927\u4f1a\u5bfc\u81f4\u6570\u636e\u5e93sql\u7684\u901f\u5ea6\u53d8\u6162\uff0c\u4e5f\u4f1a\u5bfc\u81f4plsql\u7b49\u53ef\u89c6\u5316\u5de5\u5177\u8fde\u63a5\u4e0d\u6210\u529f\uff0c\u4e0b\u9762\u8bb0\u5f55\u4e00\u4e0b\u5904\u7406\u65b9\u6cd5\uff1a<\/p>\n<p>1.\u91cd\u547d\u540d\u6587\u4ef6\uff1amv listener.log listener.old20180917<\/p>\n<p>2.\u91cd\u65b0\u5f00\u542flistener\u65e5\u5fd7\uff0c\u4f1a\u81ea\u52a8\u751f\u6210\u4e00\u4e2a\u65b0\u7684listener.log\u7684\u6587\u4ef6\uff1alsnrctl set log_status on<\/p>\n<p>3.\u7b49\u5230\u6ca1\u95ee\u9898\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u5220\u9664listener.old20180917\u8fd9\u4e2a\u6587\u4ef6\u4e86<\/p>\n<hr \/>\n<p><strong>\u9700\u6c42<\/strong>:\u5220\u9664\u67d0\u6587\u4ef6\u5939\u4e0b10\u5929\u524d\u7684\u65e5\u5fd7\u6587\u4ef6\uff1f\uff08\u7c7b\u578b\u4e3a.log\uff09<\/p>\n<p><strong>\u5177\u4f53\u6b65\u9aa4\uff1a<\/strong><\/p>\n<p><strong>\u67e5\u8be2\u662f\u5426\u5b58\u5728\u9700\u6c42\u4e2d\u7684\u65e5\u5fd7\u95ee\u4ef7<\/strong><\/p>\n<p>find \/home\/rab\/hhy\/test\/ -mtime +10 -name \"*.log\" -exec ls -l {} \\;<\/p>\n<p><strong>\u5b58\u5728\u6267\u884c\u5220\u9664<\/strong>(\u5220\u9664\u9700\u8c28\u614e\uff0c\u505a\u597d\u5907\u4efd)<\/p>\n<p>find \/home\/rab\/hhy\/test\/ -mtime +10 -name \"*.log\" -exec rm -rf {} \\;<\/p>\n<p>\u8be6\u89e3\uff1a<\/p>\n<p>\/home\/rab\/hhy\/test\/\u00a0\uff1a\u51c6\u5907\u76ee\u5f55<br \/>\n-mtime\uff1a\u6309\u5929\u67e5\u627e<br \/>\n-mmin\uff1a\u6309\u5206\u949f\uff1b<br \/>\n\uff0b9\uff1a\u67e5\u627e10\u5929\u524d\u7684\u6587\u4ef6\uff0c\u5f53\u524d\u65f6\u95f4\u4e3a0<br \/>\n\"*.*\"\uff1a\u5e0c\u671b\u67e5\u627e\u7684\u6570\u636e\u7c7b\u578b\uff0c*.*\u4e3a\u4efb\u610f\u6587\u4ef6<br \/>\n-exec\uff1a\u56fa\u5b9a\u5199\u6cd5<br \/>\nrm -rf\uff1a\u5f3a\u5236\u5220\u9664\u6587\u4ef6\uff0c\u5305\u62ec\u76ee\u5f55<br \/>\n{} \\; \uff1a\u56fa\u5b9a\u5199\u6cd5\uff0c\u4e00\u5bf9\u5927\u62ec\u53f7+\u7a7a\u683c+\/+;<\/p>\n<p><strong>\u9700\u6c42\uff1a\u67e5\u627e\u5927\u4e8e5M\u7684\u65e5\u5fd7\u6587\u4ef6\uff1f<\/strong><\/p>\n<p>find \/home\/rab\/hhy\/test\/ -type f -size +5M<br \/>\n\u6216<br \/>\nfind \/home\/rab\/hhy\/test\/ -type f -size +5120k<\/p>\n<p><strong>\u5220\u9664:<\/strong><\/p>\n<p>find \/home\/rab\/hhy\/test\/ -type f -size +5120k -exec rm -rf {} \\;<\/p>\n<hr \/>\n<p>\u4f7f\u7528 crontab \u8ba1\u5212\u4efb\u52a1\u81ea\u52a8\u6e05\u9664\u7cfb\u7edf\u7f13\u5b58<\/p>\n<p>&nbsp;<\/p>\n<p>#cleancaches1.sh #!\/bin\/bash # \u6bcf\u4e00\u5c0f\u65f6\u6e05\u9664\u4e00\u6b21\u7f13\u5b58 echo \"\u5f00\u59cb\u6e05\u9664\u7f13\u5b58\" sync;sync;sync #\u5199\u5165\u786c\u76d8\uff0c\u9632\u6b62\u6570\u636e\u4e22\u5931 sleep 10 #\u5ef6\u8fdf10\u79d2 echo 3 &gt; \/proc\/sys\/vm\/drop_caches #cleancaches2.sh #! \/bin\/sh used=`free -m | awk 'NR==2' | awk '{print $3}'` free=`free -m | awk 'NR==2' | awk '{print $4}'` echo \"===========================\" &gt;&gt; \/tnwmall\/memory\/logs\/mem.log date &gt;&gt; \/tnwmall\/memory\/logs\/mem.log echo \"Memory usage before | [Use\uff1a${used}MB][Free\uff1a${free}MB]\" &gt;&gt; \/tnwmall\/memory\/logs\/mem.log if [ $free -le 2000 ] ; then sync &amp;&amp; echo 1 &gt; \/proc\/sys\/vm\/drop_caches sync &amp;&amp; echo 2 &gt; \/proc\/sys\/vm\/drop_caches sync &amp;&amp; echo 3 &gt; \/proc\/sys\/vm\/drop_caches used_ok=`free -m | awk 'NR==2' | awk '{print $3}'` free_ok=`free -m | awk 'NR==2' | awk '{print $4}'` echo \"Memory usage after | [Use\uff1a${used_ok}MB][Free\uff1a${free_ok}MB]\" &gt;&gt; \/tnwmall\/memory\/logs\/mem.log echo \"OKAY\" &gt;&gt; \/tnwmall\/memory\/logs\/mem-okay.log else echo \"Not required\" &gt;&gt; \/tnwmall\/memory\/logs\/mem-required.log fi exit 1<br \/>\n\u6dfb\u52a0\u8ba1\u5212\u4efb\u52a1 crontab -e 15 8 *\/1 * * \/usr\/bin\/python3 \/root\/guo\/caiji_wordpress_chinanews_ok.py &gt;&gt; \/root\/guo\/cron-caiji.log 2&gt;&amp;1 15 9 *\/1 * * \/root\/cleancaches1.sh &gt;&gt; \/root\/cleancaches1.log 2&gt;&amp;1 15 10 *\/1 * * \/root\/cleancaches2.sh &gt;&gt; \/root\/cleancaches2.log 2&gt;&amp;1<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u822c\u662f\u65e5\u5fd7\u6587\u4ef6\u6bd4\u8f83\u6ee1\u00a0 \u9002\u5f53\u91cd\u542f\u673a\u5668 \u6bd4\u5982ovh\u7684debian\u7cfb\u7edf\u79ef\u7d2f\u7684\u5783\u573e\u6587\u4ef6\u6bd4\u8f83\u5927\u91cd\u542f\u540e\u91ca\u653e \u67e5\u770bcd \/ [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[353,72,198,197,71,74,246,76,73,75],"class_list":["post-567","post","type-post","status-publish","format-standard","hentry","category-linux","tag-linux","tag-73","tag-75"],"_links":{"self":[{"href":"https:\/\/byy3.com\/index.php?rest_route=\/wp\/v2\/posts\/567","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/byy3.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/byy3.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/byy3.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/byy3.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=567"}],"version-history":[{"count":0,"href":"https:\/\/byy3.com\/index.php?rest_route=\/wp\/v2\/posts\/567\/revisions"}],"wp:attachment":[{"href":"https:\/\/byy3.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/byy3.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/byy3.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}