{"id":277,"date":"2024-10-30T11:38:11","date_gmt":"2024-10-30T03:38:11","guid":{"rendered":"http:\/\/www.zhang-junyi.com\/?p=277"},"modified":"2024-10-30T11:38:11","modified_gmt":"2024-10-30T03:38:11","slug":"%e7%81%b5%e9%bb%8e%e5%85%8b%e6%96%af6","status":"publish","type":"post","link":"http:\/\/www.zhang-junyi.com\/?p=277","title":{"rendered":"\u7075\u9ece\u514b\u65af6"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">1. \u8ba1\u5212\u4efb\u52a1<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5efa\u7acb\u4e00\u6b21\u6027\u8ba1\u5212\u4efb\u52a1\uff0c\u57282\u5206\u949f\u540e\u5c06\u5f53\u524d\u65f6\u95f4\u5199\u5165 <code>testmail.txt<\/code> \u6587\u4ef6<\/strong>\u4f7f\u7528 <code>at<\/code> \u547d\u4ee4\u5b89\u6392\u4efb\u52a1\uff1abash\u590d\u5236\u4ee3\u7801<code>echo \"date >> ~\/testmail.txt\" | at now + 2 minutes <\/code>\u9a8c\u8bc1\u4efb\u52a1\u7ed3\u679c\uff1abash\u590d\u5236\u4ee3\u7801<code>cat ~\/testmail.txt<\/code><\/li>\n\n\n\n<li><strong>\u5efa\u7acb\u4e00\u6b21\u6027\u8ba1\u5212\u4efb\u52a1\uff0c\u670d\u52a1\u5668\u5728\u51cc\u66683\u70b9\u91cd\u542f<\/strong>\u4f7f\u7528 <code>at<\/code> \u547d\u4ee4\uff1abash\u590d\u5236\u4ee3\u7801<code>echo \"reboot\" | at 3:00 AM <\/code>\u9a8c\u8bc1\u4efb\u52a1\u6548\u679c\uff1a<ul><li>\u5c06\u5f53\u524d\u65f6\u95f4\u4fee\u6539\u4e3a\u51cc\u66682:59<\/li><\/ul>bash\u590d\u5236\u4ee3\u7801<code>sudo date -s \"02:59\"<\/code><ul><li>\u7b49\u5f85\u4efb\u52a1\u6267\u884c\uff0c\u9a8c\u8bc1\u670d\u52a1\u5668\u662f\u5426\u91cd\u542f\u6210\u529f\u3002<\/li><li>\u4efb\u52a1\u5b8c\u6210\u540e\uff0c\u91cd\u65b0\u5c06\u65f6\u95f4\u8bbe\u7f6e\u4e3a\u5317\u4eac\u65f6\u95f4\uff1a<\/li><\/ul>bash\u590d\u5236\u4ee3\u7801<code>sudo ntpdate ntp.aliyun.com # \u540c\u6b65\u81f3\u963f\u91cc\u4e91\u7684NTP\u670d\u52a1\u5668<\/code><\/li>\n\n\n\n<li><strong>\u5efa\u7acb\u4e00\u4e2a\u6bcf\u5c0f\u65f6\u5907\u4efd\u4e00\u6b21 <code>\/etc<\/code> \u76ee\u5f55\u7684\u5468\u671f\u6027\u8ba1\u5212\u4efb\u52a1<\/strong>\u4f7f\u7528 <code>crontab<\/code> \u547d\u4ee4\uff1abash\u590d\u5236\u4ee3\u7801<code>echo \"0 * * * * tar -czf \/tmp\/etc_backup_$(date +\\%Y\\%m\\%d\\%H\\%M).tar.gz \/etc\" | crontab -<\/code><\/li>\n\n\n\n<li><strong>\u5efa\u7acb\u4e00\u4e2a\u5468\u671f\u6027\u8ba1\u5212\u4efb\u52a1\uff0c\u572818\u70b9\u523021\u70b9\u6bcf\u534a\u5c0f\u65f6\u6e05\u7a7a <code>\/tmp<\/code><\/strong>\u5728 <code>crontab<\/code> \u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4efb\u52a1\uff1abash\u590d\u5236\u4ee3\u7801<code>echo \"0,30 18-21 * * * rm -rf \/tmp\/*\" | crontab -<\/code><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u67e5\u627e\u4e0e\u8fd0\u884c\u7ea7\u522b\u76f8\u5173\u7684 target \u914d\u7f6e\u6587\u4ef6\u5e76\u6574\u7406\u4f9d\u8d56\u5173\u7cfb<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u7cfb\u7edf target \u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bash\u590d\u5236\u4ee3\u7801<code>ls \/usr\/lib\/systemd\/system\/*.target\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e9b\u5e38\u89c1 target \u7684\u8bf4\u660e\u548c\u4f9d\u8d56\u5173\u7cfb\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>multi-user.target<\/strong>\uff1a\u652f\u6301\u591a\u7528\u6237\u65e0\u56fe\u5f62\u754c\u9762\uff0c\u4f9d\u8d56 <code>basic.target<\/code>\u3002<\/li>\n\n\n\n<li><strong>graphical.target<\/strong>\uff1a\u56fe\u5f62\u5316\u6a21\u5f0f\uff0c\u4f9d\u8d56 <code>multi-user.target<\/code>\u3002<\/li>\n\n\n\n<li><strong>rescue.target<\/strong>\uff1a\u5355\u7528\u6237\u7ef4\u62a4\u6a21\u5f0f\uff0c\u4f9d\u8d56 <code>basic.target<\/code>\u3002<\/li>\n\n\n\n<li><strong>emergency.target<\/strong>\uff1a\u7d27\u6025\u6a21\u5f0f\uff0c\u6700\u4f4e\u7ea7\u522b\uff0c\u4f9d\u8d56\u4e8e <code>sysinit.target<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u4f7f\u7528 <code>systemctl show &lt;target_name&gt;<\/code> \u6765\u8fdb\u4e00\u6b65\u67e5\u770b\u4f9d\u8d56\u5173\u7cfb\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u67e5\u627e <code>httpd<\/code> \u670d\u52a1\u7684\u670d\u52a1\u6587\u4ef6\uff0c\u5e76\u8bbe\u7f6e\u5f00\u673a\u81ea\u542f\u52a8<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u67e5\u627e <code>httpd<\/code> \u670d\u52a1\u7684\u670d\u52a1\u6587\u4ef6<\/strong>\uff1a\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u627e <code>httpd<\/code> \u670d\u52a1\u7684\u914d\u7f6e\u6587\u4ef6\u8def\u5f84\uff1abash\u590d\u5236\u4ee3\u7801<code>systemctl status httpd <\/code>\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u6587\u4ef6\u4f4d\u4e8e <code>\/usr\/lib\/systemd\/system\/httpd.service<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u8bbe\u7f6e <code>httpd<\/code> \u670d\u52a1\u5f00\u673a\u81ea\u542f\u52a8<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801<code>sudo systemctl enable httpd<\/code><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u5207\u6362\u7cfb\u7edf\u7684\u8fd0\u884c\u7ea7\u522b<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528 <code>init 0<\/code> \u5173\u673a<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801<code>sudo init 0<\/code><\/li>\n\n\n\n<li><strong>\u4f7f\u7528 <code>init 4<\/code> \u5207\u6362\u5230\u591a\u7528\u6237\u547d\u4ee4\u884c\u6a21\u5f0f<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801<code>sudo init 4 <\/code><strong>\u5bf9\u6bd4\u5dee\u5f02<\/strong>\uff1a\u591a\u7528\u6237\u547d\u4ee4\u884c\u6a21\u5f0f\u4e0d\u5305\u542b\u56fe\u5f62\u5316\u754c\u9762\uff0c\u9002\u5408\u8fdc\u7a0b\u670d\u52a1\u5668\u6216\u6587\u672c\u64cd\u4f5c\u73af\u5883\u3002<\/li>\n\n\n\n<li><strong>\u4f7f\u7528 <code>init 5<\/code> \u5207\u6362\u5230\u56fe\u5f62\u5316\u754c\u9762\u6a21\u5f0f<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801<code>sudo init 5 <\/code>\u56fe\u5f62\u5316\u6a21\u5f0f\u652f\u6301\u684c\u9762\u73af\u5883\u3002<\/li>\n\n\n\n<li><strong>\u4f7f\u7528 <code>init 6<\/code> \u91cd\u542f\u7cfb\u7edf<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801<code>sudo init 6<\/code><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u548c\u7ba1\u7406\u4e00\u6b21\u6027\u548c\u5468\u671f\u6027\u4efb\u52a1\uff0c\u914d\u7f6e\u670d\u52a1\u5f00\u673a\u81ea\u542f\uff0c\u4ee5\u53ca\u5207\u6362\u7cfb\u7edf\u8fd0\u884c\u7ea7\u522b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u8ba1\u5212\u4efb\u52a1 2. \u67e5\u627e\u4e0e\u8fd0\u884c\u7ea7\u522b\u76f8\u5173\u7684 target \u914d\u7f6e\u6587\u4ef6\u5e76\u6574\u7406\u4f9d\u8d56\u5173\u7cfb \u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u7cfb\u7edf tar [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-277","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=\/wp\/v2\/posts\/277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=277"}],"version-history":[{"count":1,"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=\/wp\/v2\/posts\/277\/revisions"}],"predecessor-version":[{"id":278,"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=\/wp\/v2\/posts\/277\/revisions\/278"}],"wp:attachment":[{"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=277"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}