{"id":87,"date":"2019-12-08T22:24:37","date_gmt":"2019-12-08T14:24:37","guid":{"rendered":"https:\/\/miawy.com\/?p=87"},"modified":"2025-03-30T14:46:53","modified_gmt":"2025-03-30T06:46:53","slug":"clean-up-linux","status":"publish","type":"post","link":"https:\/\/home.miawy.com\/?p=87","title":{"rendered":"Clean Up Linux"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Find Logs in VPS<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\/var\/log\/anaconda.log - Linux installation message\n\/var\/log\/audit\/ - Directory of Linux audit daemon\n\/var\/log\/boot.log\n\/var\/log\/btmp - All unsuccessful login info\n- Use lastb cmd to view details\n\/var\/log\/wtmp - All successful login info\n- Use last cmd to view details\n\/var\/log\/lastlog - All login info\n- Use lastlog cmd to view details\n\/var\/log\/chrony - Empty till now\n\/var\/log\/cloud-init.log - Not clear right now\n\/var\/log\/cron\n\/var\/log\/dmesg or \/var\/log\/dmesg.old\n\/var\/log\/firewalld\n\/var\/log\/grubby and \/var\/log\/grubby_prune_debug - Not clear\n\/var\/log\/hwbackup.log\n\/var\/log\/lastlog\n\/var\/log\/maillog\n\/var\/log\/messages\n\/var\/log\/secure\n\/var\/log\/shadowsocksr.log\n\/var\/log\/tallylog\n\n\/home\/wwwlogs\/access.log\n\/home\/wwwlogs\/nginx_error.log<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Create A New Crontab task<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Write a script<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>#cleanup.sh (Remember chmod +x cleanup.sh)\n#!\/bin\/sh\ncat \/dev\/null > \/var\/log\/anaconda.log\ncat \/dev\/null > \/var\/log\/boot.log\ncat \/dev\/null > \/var\/log\/btmp\ncat \/dev\/null > \/var\/log\/wtmp\ncat \/dev\/null > \/var\/log\/lastlog\ncat \/dev\/null > \/var\/log\/firewalld\ncat \/dev\/null > \/var\/log\/lastlog\ncat \/dev\/null > \/var\/log\/maillog\ncat \/dev\/null > \/var\/log\/messages\ncat \/dev\/null > \/var\/log\/secure\ncat \/dev\/null > \/var\/log\/shadowsocksr.log\n\ncat \/dev\/null > \/home\/wwwlogs\/access.log\ncat \/dev\/null > \/home\/wwwlogs\/nginx_error.log<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. Edit crontab file <\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ Run cleanup.sh at 1:00 am everyday\n\/\/ min hr day mon yr\n0 1 * * * root run-parts \/var\/log\/cleanup.sh<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. Add new task<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ Edit\n$ crontab -e\n\/\/ View\n$ crontab -l\n\/\/ Remove\n$ crontab -r<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Don&#8217;t have enough space in your VPS? Try such steps~<\/p>\n","protected":false},"author":1,"featured_media":265,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-87","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/home.miawy.com\/index.php?rest_route=\/wp\/v2\/posts\/87","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/home.miawy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/home.miawy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/home.miawy.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/home.miawy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=87"}],"version-history":[{"count":4,"href":"https:\/\/home.miawy.com\/index.php?rest_route=\/wp\/v2\/posts\/87\/revisions"}],"predecessor-version":[{"id":93,"href":"https:\/\/home.miawy.com\/index.php?rest_route=\/wp\/v2\/posts\/87\/revisions\/93"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/home.miawy.com\/index.php?rest_route=\/wp\/v2\/media\/265"}],"wp:attachment":[{"href":"https:\/\/home.miawy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=87"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/home.miawy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=87"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/home.miawy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=87"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}