{"id":1134,"date":"2020-02-23T04:50:29","date_gmt":"2020-02-22T20:50:29","guid":{"rendered":"http:\/\/www.theprogramclub.com\/?p=118"},"modified":"2020-08-08T17:55:47","modified_gmt":"2020-08-08T09:55:47","slug":"shellscript-backup","status":"publish","type":"post","link":"https:\/\/marstree.ltd\/shellscript-backup\/","title":{"rendered":"\u81ea\u5b78Programming! Shell Programming &#8211; \u5982\u4f55\u5229\u7528Shell Script \u7c21\u55ae\u81ea\u52d5\u5099\u4efd\u60a8\u96fb\u8166\uff1f"},"content":{"rendered":"<p>\u4eca\u6b21\u6211\u5011\u6703\u7e7c\u7e8c\u81ea\u5b78Programming\u7684\u8b1b\u89e3\uff0c\u5b78\u6703Programming\u5176\u4e2d\u4e00\u500b\u76ee\u7684\uff0c\u662f\u70ba\u60a8\u751f\u6d3b\u6216\u5de5\u4f5c\u5e36\u4f86\u66f4\u591a\u81ea\u52d5\u5316\u7684\u4fbf\u5229\u3002<\/p>\n<p>\u6240\u4ee5\u6211\u5011\u4eca\u5929\u6703\u70ba\u5927\u5bb6\u8b1b\u89e3\u4ee5\u4e0b\uff1a<\/p>\n<ol>\n<li>Shell Programming\u662f\u4ec0\u9ebc\uff1f<\/li>\n<li>\u4e00\u8d77\u7528Shell\u7de8\u7a0b\uff0c\u53bb\u5be6\u73fe\u81ea\u52d5\u5316\u5099\u4efd\u60a8\u7684\u96fb\u8166\uff1b<\/li>\n<li>\u6211\u5011\u4e5f\u6703\u63d0\u4f9b\u81ea\u52d5\u5316\u7a0b\u5e8f\u7684\u4e0b\u8f09<\/li>\n<\/ol>\n<p><!--more--><\/p>\n<blockquote>\n<p><strong>\u5148\u4ecb\u7d39\u81ea\u5df1\uff1a<\/strong><br \/>\n\u6211\u662f<a href=\"https:\/\/www.theprogramclub.com\/%e9%97%9c%e6%96%bc\/\" title=\"\u706b\u661f\u8c6cDavid\">\u706b\u661f\u8c6cDavid<\/a>! \u662f<a href=\"https:\/\/marstree.ltd\" title=\"MARS tree\">MARS tree<\/a>\u7684\u6280\u8853\u7e3d\u76e3\u3002\u5728Programming\u65b9\u9762\u5df2\u8d85\u904e10\u5e74\u7d93\u9a57\uff0c\u4eca\u5929\u6703\u548c\u5927\u5bb6\u9010\u6b65\u5be6\u73fe\u81ea\u52d5\u5316\u5099\u4efd\u60a8\u7684\u96fb\u8166<\/p>\n<p>PS:\u5982\u679c\u4f60\u8d95\u6642\u9593\u53d6\u5f97\u81ea\u52d5\u5099\u4efd\u96fb\u8166\u7684Shell Script \u7684\u8a71\uff0c\u53ef\u4ee5\u76f4\u63a5\u6309<a href=\"#shell-script\" title=\"\u81ea\u52d5\u5099\u4efd\u96fb\u8166\u7684\u5099\u4efdShell Script\">\u9019\u88e1<\/a>\u4e0b\u8f09<\/p>\n<p>\u6709\u4ec0\u9ebc\u95dc\u65bc\u81ea\u5b78Programming\u65b9\u9762\u7684\u554f\u984c\uff0c\u4f60\u53ef\u4ee5\u5728\u4e0b\u9762\u7559\u8a00\u5340\u7559\u8a00\u554f\u6211\uff01*<\/p>\n<\/blockquote>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_80 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-698a34a8eb4d2\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-698a34a8eb4d2\"  aria-label=\"\u986f\u793a\/\u96b1\u85cf\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/marstree.ltd\/shellscript-backup\/#Shell_Programming%E6%98%AF%E4%BB%80%E9%BA%BC%EF%BC%9F\" >Shell Programming\u662f\u4ec0\u9ebc\uff1f<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/marstree.ltd\/shellscript-backup\/#Shell_Programming_vs_Linux_Programming\" >Shell Programming vs Linux Programming<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/marstree.ltd\/shellscript-backup\/#Shell_Script%E7%B7%A8%E7%A8%8B_%E5%AF%A6%E7%8F%BE%E8%87%AA%E5%8B%95%E5%8C%96%E5%82%99%E4%BB%BD%E6%82%A8%E7%9A%84%E9%9B%BB%E8%85%A6\" >Shell Script\u7de8\u7a0b: \u5be6\u73fe\u81ea\u52d5\u5316\u5099\u4efd\u60a8\u7684\u96fb\u8166<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/marstree.ltd\/shellscript-backup\/#STEP1_%E5%AE%9A%E7%BE%A9%E8%AE%8A%E9%87%8F\" >STEP1. \u5b9a\u7fa9\u8b8a\u91cf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/marstree.ltd\/shellscript-backup\/#STEP2_%E9%96%8B%E5%A7%8B%E7%82%BA%E9%9C%80%E8%A6%81%E5%82%99%E4%BB%BD%E7%9A%84%E7%9B%AE%E9%8C%84%E9%80%B2%E8%A1%8C%E5%A3%93%E7%B8%AE%E5%82%99%E4%BB%BD\" >STEP2. \u958b\u59cb\u70ba\u9700\u8981\u5099\u4efd\u7684\u76ee\u9304\u9032\u884c\u58d3\u7e2e\u5099\u4efd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/marstree.ltd\/shellscript-backup\/#STEP3_%E6%AA%A2%E6%9F%A5%E5%AD%98%E6%94%BE%E7%9A%84%E7%9B%AE%E9%8C%84%E4%B8%AD%E5%82%99%E4%BB%BD%E5%A3%93%E7%B8%AE%E6%AA%94%E6%98%AF%E5%90%A6%E8%B6%85%E9%81%8E30%E5%A4%A9\" >STEP3. \u6aa2\u67e5\u5b58\u653e\u7684\u76ee\u9304\u4e2d\u5099\u4efd\u58d3\u7e2e\u6a94\u662f\u5426\u8d85\u904e30\u5929<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/marstree.ltd\/shellscript-backup\/#STEP4_%E5%9C%A8%E5%AD%98%E6%94%BE%E7%9A%84%E7%9B%AE%E9%8C%84%E4%B8%AD%E6%8A%8A%E5%82%99%E4%BB%BD%E5%A3%93%E7%B8%AE%E6%AA%94%E5%AD%98%E6%94%BE%E8%B6%85%E9%81%8E30%E5%A4%A9%E5%88%AA%E9%99%A4\" >STEP4. \u5728\u5b58\u653e\u7684\u76ee\u9304\u4e2d\u628a\u5099\u4efd\u58d3\u7e2e\u6a94\u5b58\u653e\u8d85\u904e30\u5929\u522a\u9664<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/marstree.ltd\/shellscript-backup\/#STEP5_%E5%AE%8C%E6%88%90%E7%A8%8B%E5%BA%8F%E7%B7%A8%E5%AF%AB%EF%BC%81\" >STEP5. \u5b8c\u6210\u7a0b\u5e8f\u7de8\u5beb\uff01<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/marstree.ltd\/shellscript-backup\/#%E8%87%AA%E5%8B%95%E5%82%99%E4%BB%BD%E9%9B%BB%E8%85%A6Shell_Script\" >\u81ea\u52d5\u5099\u4efd\u96fb\u8166Shell Script<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/marstree.ltd\/shellscript-backup\/#Shell_Script_%E8%AA%BF%E6%95%99\" >Shell Script \u8abf\u6559<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/marstree.ltd\/shellscript-backup\/#%E4%BD%BF%E7%94%A8%E6%96%B9%E6%B3%95\" >\u4f7f\u7528\u65b9\u6cd5<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/marstree.ltd\/shellscript-backup\/#macOS_%E7%94%A8%E6%88%B6\" >macOS \u7528\u6236<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/marstree.ltd\/shellscript-backup\/#Linux_%E7%94%A8%E6%88%B6\" >Linux \u7528\u6236<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/marstree.ltd\/shellscript-backup\/#Shell_Programming_%E5%B8%B8%E7%94%A8%E6%83%85%E6%99%AF%E6%9C%89%E4%BB%80%E9%BA%BC%E5%91%A2%EF%BC%9F\" >Shell Programming \u5e38\u7528\u60c5\u666f\u6709\u4ec0\u9ebc\u5462\uff1f<\/a><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"Shell_Programming%E6%98%AF%E4%BB%80%E9%BA%BC%EF%BC%9F\"><\/span>Shell Programming\u662f\u4ec0\u9ebc\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Shell_script\" title=\"Shell Programming\">Shell Programming<\/a> \u5c31\u662f\u5728<a href=\"https:\/\/zh.wikipedia.org\/wiki\/UNIX\" title=\"UNIX\">UNIX<\/a>\u7cfb\u7d71\u4e2d\u7684<a href=\"https:\/\/zh.wikipedia.org\/wiki\/Bash\" title=\"BASH\">BASH<\/a> Shell\u4e2d\u9032\u884c\u6307\u4ee4\u7684\u7de8\u7a0b\uff0c\u53bb\u5be6\u73fe\u4e0d\u540c\u96fb\u8166\u7cfb\u7d71\u7684\u81ea\u52d5\u5316\u3002\u5c0d\u65bc\u7cfb\u7d71\u7ba1\u7406\u54e1\u4f86\u8aaa\uff0c\u81ea\u5df1\u5b78\u6703<a href=\"https:\/\/en.wikipedia.org\/wiki\/Shell_script\" title=\"Shell Programming\">Shell Programming<\/a> \u5c31\u662f\u5728<a href=\"https:\/\/zh.wikipedia.org\/wiki\/UNIX\" title=\"UNIX\">UNIX<\/a>\uff0c\u53ef\u4ee5\u5927\u91cf\u6e1b\u7701\u64cd\u4f5c\u6642\u9593\u3002<\/p>\n<blockquote>\n<p><strong><a href=\"https:\/\/zh.wikipedia.org\/wiki\/UNIX\" title=\"UNIX\">UNIX<\/a>\u7cfb\u7d71\u5305\u62ec:<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/www.apple.com\/macos\/catalina\/\" title=\"macOS\">macOS<\/a><\/li>\n<li><a href=\"https:\/\/zh.wikipedia.org\/wiki\/Linux\" title=\"Linux\">Linux<\/a>\n<ul>\n<li><a href=\"https:\/\/zh.wikipedia.org\/wiki\/Red_Hat_Linux\" title=\"RedHat\">RedHat<\/a><\/li>\n<li><a href=\"https:\/\/zh.wikipedia.org\/wiki\/Ubuntu\" title=\"Ubuntu\">Ubuntu<\/a><\/li>\n<li><a href=\"https:\/\/zh.wikipedia.org\/wiki\/CentOS\" title=\"CentOS\">CentOS<\/a><\/li>\n<li><a href=\"https:\/\/zh.wikipedia.org\/wiki\/Fedora,\" title=\"Fedora\">Fedora<\/a> \u7b49\u7b49<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Shell_Programming_vs_Linux_Programming\"><\/span>Shell Programming vs Linux Programming<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u8b1b\u5230\u9019\u88e1\uff0c\u53ef\u80fd\u6709\u4e9b\u4eba\u5728\u5916\u9762\u6703\u807d\u904eLinux Programming, \u90a3\u9ebc\u540c\u6642\u5728Linux\u4e2d\u7684Shell, \u6709\u4ec0\u9ebc\u4e0d\u540c\u5462\uff1f<\/p>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>Shell Programming<\/th>\n<th>Linux Programming<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u64cd\u4f5c\u5c64\u9762<\/td>\n<td>\u5728\u61c9\u7528\u5c64\u9762\u7684\u64cd\u4f5c\uff0c\u4e0d\u6703\u4fee\u6539<a href=\"https:\/\/zh.wikipedia.org\/wiki\/Linux\" title=\"Linux\">Linux<\/a> \u6838\u5fc3<\/td>\n<td>\u4fee\u6539<a href=\"https:\/\/zh.wikipedia.org\/wiki\/Linux\" title=\"Linux\">Linux<\/a> \u7684\u6838\u5fc3<\/td>\n<\/tr>\n<tr>\n<td>\u4f7f\u7528\u7de8\u7a0b<\/td>\n<td><a href=\"https:\/\/en.wikipedia.org\/wiki\/Shell_script\" title=\"Shell Programming\">Shell Script<\/a><\/td>\n<td><a href=\"https:\/\/zh.wikipedia.org\/wiki\/C%E8%AF%AD%E8%A8%80\" title=\"C\">C<\/a><\/td>\n<\/tr>\n<tr>\n<td>\u4fee\u6539\u96e3\u5ea6<\/td>\n<td>\u5bb9\u6613<\/td>\n<td>\u56f0\u96e3<\/td>\n<\/tr>\n<tr>\n<td>\u7a0b\u5e8f\u904b\u884c\u901f\u5ea6<\/td>\n<td>\u6162<\/td>\n<td>\u5feb<\/td>\n<\/tr>\n<tr>\n<td>\u64cd\u4f5c\u529f\u80fd<\/td>\n<td>\u529f\u80fd\u6703\u53d7\u9650\u65bc<a href=\"https:\/\/zh.wikipedia.org\/wiki\/Bash\" title=\"BASH\">BASH<\/a>\u652f\u6301\u7684\u6307\u4ee4<\/td>\n<td>\u529f\u80fd\u8f03\u591a\uff0c\u56e0\u70ba\u53ef\u4ee5\u76f4\u63a5\u7de8\u8f2f<a href=\"https:\/\/zh.wikipedia.org\/wiki\/Linux\" title=\"Linux\">Linux<\/a> \u6838\u5fc3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote>\n<p><strong>\u7e3d\u62ec\u4f86\u8aaa:<\/strong><br \/>\n\u5c0d\u65bc\u521d\u5b78\u7684\u670b\u53cb\u4f86\u8aaa\uff0c\u6700\u597d\u5148\u9078\u64c7<a href=\"https:\/\/en.wikipedia.org\/wiki\/Shell_script\" title=\"Shell Programming\">Shell Programming<\/a>\uff0c\u56e0\u70ba\u56f0\u96e3\u548c\u98a8\u96aa\u90fd\u662f\u8f03\u5c0f\uff0c\u842c\u4e00\u6539\u932f\u4e86<a href=\"https:\/\/zh.wikipedia.org\/wiki\/Linux\" title=\"Linux\">Linux<\/a>  \u7684\u6838\u5fc3\uff0c\u90a3\u5c31gg\u4e86\uff01<\/p>\n<\/blockquote>\n<p>\u9019\u88e1\u4e5f\u9644\u4e0a\u4e00\u500b\u5f71\u7247\u95dc\u65bc<a href=\"https:\/\/en.wikipedia.org\/wiki\/Shell_script\" title=\"Shell Programming\">Shell script<\/a> \u7684 \u57fa\u790e\u8a9e\u6cd5\uff1a<\/p>\n<p>\u597d\u5427\uff01\u8aaa\u4e86\u5f88\u591a\u6982\u5ff5\uff0c\u4e0d\u5982\u6211\u5011\u9032\u5165\u5be6\u6230\u5427\uff01<\/p>\n<h1><span class=\"ez-toc-section\" id=\"Shell_Script%E7%B7%A8%E7%A8%8B_%E5%AF%A6%E7%8F%BE%E8%87%AA%E5%8B%95%E5%8C%96%E5%82%99%E4%BB%BD%E6%82%A8%E7%9A%84%E9%9B%BB%E8%85%A6\"><\/span>Shell Script\u7de8\u7a0b: \u5be6\u73fe\u81ea\u52d5\u5316\u5099\u4efd\u60a8\u7684\u96fb\u8166<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"STEP1_%E5%AE%9A%E7%BE%A9%E8%AE%8A%E9%87%8F\"><\/span>STEP1. \u5b9a\u7fa9\u8b8a\u91cf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6211\u5011\u6703\u70baShell Script\u5b9a\u7fa9\u4ee5\u4e0b\u7684\u53c3\u6578\uff1a<\/p>\n<ul>\n<li>\u8b8a\u91cf backDir\uff1a\u662f\u6307\u9700\u8981\u5099\u4efd\u7684\u76ee\u9304\uff1b<\/li>\n<li>\u8b8a\u91cf destDir\uff1a\u662f\u6307\u5099\u4efd\u4e4b\u5f8c\u58d3\u7e2e\u6a94\u5b58\u653e\u7684\u76ee\u9304\uff1b<\/li>\n<li>\u8b8a\u91cf numberOfDayFileKeep\uff1a\u662f\u6307\u5099\u4efd\u58d3\u7e2e\u6a94\u5b58\u653e\u7684\u5929\u6578<\/li>\n<\/ul>\n<pre><code class=\"language-shell\">#!\/bin\/bash\n#\n# \u81ea\u52d5\u5099\u4efd\u96fb\u8166Shell Script\n#\nbackupDir=&quot;\/home\/davidchu\/lession1&quot; #\u9700\u8981\u5099\u4efd\u7684\u76ee\u9304\ndestDir=&quot;\/home\/davidchu\/lession2\/back_dir&quot; #\u5099\u5099\u4efd\u4e4b\u5f8c\u58d3\u7e2e\u6a94\u5b58\u653e\u7684\u76ee\u9304\nnumberOfDayFileKeep=30 #\u5099\u4efd\u58d3\u7e2e\u6a94\u5b58\u653e\u7684\u5929\u6578<\/code><\/pre>\n<h2><span class=\"ez-toc-section\" id=\"STEP2_%E9%96%8B%E5%A7%8B%E7%82%BA%E9%9C%80%E8%A6%81%E5%82%99%E4%BB%BD%E7%9A%84%E7%9B%AE%E9%8C%84%E9%80%B2%E8%A1%8C%E5%A3%93%E7%B8%AE%E5%82%99%E4%BB%BD\"><\/span>STEP2. \u958b\u59cb\u70ba\u9700\u8981\u5099\u4efd\u7684\u76ee\u9304\u9032\u884c\u58d3\u7e2e\u5099\u4efd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u9019\u500b\u6b65\u5c31\u662f\u6703\u70ba\u9700\u8981\u5099\u4efd\u7684\u76ee\u9304\u9032\u884c\u58d3\u7e2e\u5099\u4efd\uff0c\u6211\u5011\u6703\u58d3\u7e2e\u5099\u4efd\u6a94\u6703\u4ee5<code>backup\u5e74\u6708\u65e5\u6642\u5206\u79d2.tar.gz<\/code> \u547d\u540d\uff0c\u5132\u653e\u65bc<code>$destDir<\/code>\uff1a<\/p>\n<pre><code class=\"language-shell\">#!\/bin\/bash\n#\n# \u81ea\u52d5\u5099\u4efd\u96fb\u8166Shell Script\n#\nbackupDir=&quot;\/home\/davidchu\/lession1&quot; #\u9700\u8981\u5099\u4efd\u7684\u76ee\u9304\ndestDir=&quot;\/home\/davidchu\/lession2\/back_dir&quot; #\u5099\u5099\u4efd\u4e4b\u5f8c\u58d3\u7e2e\u6a94\u5b58\u653e\u7684\u76ee\u9304\nnumberOfDayFileKeep=30 #\u5099\u4efd\u58d3\u7e2e\u6a94\u5b58\u653e\u7684\u5929\u6578\n\n#\u58d3\u7e2e\u6a94\u6703\u4ee5backup\u5e74\u6708\u65e5\u6642\u5206\u79d2.tar.gz \u547d\u540d\ntar zcPf $destDir\/backup`date +%Y%m%d%H%M%S`.tar.gz $backDir \n<\/code><\/pre>\n<h2><span class=\"ez-toc-section\" id=\"STEP3_%E6%AA%A2%E6%9F%A5%E5%AD%98%E6%94%BE%E7%9A%84%E7%9B%AE%E9%8C%84%E4%B8%AD%E5%82%99%E4%BB%BD%E5%A3%93%E7%B8%AE%E6%AA%94%E6%98%AF%E5%90%A6%E8%B6%85%E9%81%8E30%E5%A4%A9\"><\/span>STEP3. \u6aa2\u67e5\u5b58\u653e\u7684\u76ee\u9304\u4e2d\u5099\u4efd\u58d3\u7e2e\u6a94\u662f\u5426\u8d85\u904e30\u5929<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4ee5\u4e0b\u662fProgramming \u7684\u904e\u7a0b\u53ca\u89e3\u91cb\uff1a<\/p>\n<blockquote>\n<ul>\n<li>for f in \\<code>ls -1r $dest\\<\/code> \uff1a\u610f\u601d\u662f\u628a\u5b58\u653e\u7684\u76ee\u9304\u4e2d\u5099\u4efd\u58d3\u7e2e\u6a94\u6309\u540d\u7a31\u7531\u5927\u65bc\u5c0f\u6392\u5e8f\uff0c\u4e26\u7d66\u4e88\u8b8a\u91cf f \u4f7f\u7528\uff1b<\/li>\n<li>\u8b8a\u91cf <code>i<\/code> \uff1a\u8ca0\u8cac\u8a08\u7b97\u6578\u91cf\uff0c\u5728\u5b58\u653e\u7684\u76ee\u9304\u4e2d\u6578\u5230\u4e00\u500b\u6587\u4ef6\u6642\u6703\u52a01\uff1b<\/li>\n<li><code>let &quot;i++&quot;<\/code> \uff1a\u5e6b\u8b8a\u91cf<code>i<\/code>\u52a01<\/li>\n<\/ul>\n<\/blockquote>\n<pre><code class=\"language-shell\">#!\/bin\/bash\n#\n# \u81ea\u52d5\u5099\u4efd\u96fb\u8166Shell Script\n#\nbackupDir=&quot;\/home\/davidchu\/lession1&quot; #\u9700\u8981\u5099\u4efd\u7684\u76ee\u9304\ndestDir=&quot;\/home\/davidchu\/lession2\/back_dir&quot; #\u5099\u5099\u4efd\u4e4b\u5f8c\u58d3\u7e2e\u6a94\u5b58\u653e\u7684\u76ee\u9304\nnumberOfDayFileKeep=30 #\u5099\u4efd\u58d3\u7e2e\u6a94\u5b58\u653e\u7684\u5929\u6578\n\n#\u58d3\u7e2e\u6a94\u6703\u4ee5backup\u5e74\u6708\u65e5\u6642\u5206\u79d2.tar.gz \u547d\u540d\ntar zcPf $destDir\/backup`date +%Y%m%d%H%M%S`.tar.gz $backDir \n\ni=0\nfor f in `ls -1r $dest`; do\n    if [ i -ge 30 ]; then\n        #\u9032\u884c\u522a\u9664\n    fi\n    let &quot;i++&quot;\ndone\n<\/code><\/pre>\n<h2><span class=\"ez-toc-section\" id=\"STEP4_%E5%9C%A8%E5%AD%98%E6%94%BE%E7%9A%84%E7%9B%AE%E9%8C%84%E4%B8%AD%E6%8A%8A%E5%82%99%E4%BB%BD%E5%A3%93%E7%B8%AE%E6%AA%94%E5%AD%98%E6%94%BE%E8%B6%85%E9%81%8E30%E5%A4%A9%E5%88%AA%E9%99%A4\"><\/span>STEP4. \u5728\u5b58\u653e\u7684\u76ee\u9304\u4e2d\u628a\u5099\u4efd\u58d3\u7e2e\u6a94\u5b58\u653e\u8d85\u904e30\u5929\u522a\u9664<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6211\u5011\u6703\u4f7f\u7528<code>rm -rf $dest\/$f<\/code> \u628a\u904e\u671f\u7684\u58d3\u7e2e\u6a94\u522a\u9664\uff0c\u6545\u6b64\u7a0b\u5e8f\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-shell\">#!\/bin\/bash\n#\n# \u81ea\u52d5\u5099\u4efd\u96fb\u8166Shell Script\n#\nbackupDir=&quot;\/home\/davidchu\/lession1&quot; #\u9700\u8981\u5099\u4efd\u7684\u76ee\u9304\ndestDir=&quot;\/home\/davidchu\/lession2\/back_dir&quot; #\u5099\u5099\u4efd\u4e4b\u5f8c\u58d3\u7e2e\u6a94\u5b58\u653e\u7684\u76ee\u9304\nnumberOfDayFileKeep=30 #\u5099\u4efd\u58d3\u7e2e\u6a94\u5b58\u653e\u7684\u5929\u6578\n\n#\u58d3\u7e2e\u6a94\u6703\u4ee5backup\u5e74\u6708\u65e5\u6642\u5206\u79d2.tar.gz \u547d\u540d\ntar zcPf $destDir\/backup`date +%Y%m%d%H%M%S`.tar.gz $backDir \n\ni=0\nfor f in `ls -1r $dest`; do\n    if [ i -ge 30 ]; then\n        #\u9032\u884c\u522a\u9664\n        rm -rf $dest\/$f\n    fi\n    let &quot;i++&quot;\ndone\n<\/code><\/pre>\n<h2><span class=\"ez-toc-section\" id=\"STEP5_%E5%AE%8C%E6%88%90%E7%A8%8B%E5%BA%8F%E7%B7%A8%E5%AF%AB%EF%BC%81\"><\/span>STEP5. \u5b8c\u6210\u7a0b\u5e8f\u7de8\u5beb\uff01<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u606d\u559c\u60a8\uff01\u60a8\u5df2\u7d93\u5b8c\u6210\u4e86\u81ea\u52d5\u5099\u4efd\u7684\u7a0b\u5e8f\u7de8\u5beb\u4e86\uff0c\u4e4b\u5f8c\u5c31\u662f\u8a2d\u5b9a\u4f60\u7684\u96fb\u8166\uff0c\u5be6\u73fe\u81ea\u52d5\u5099\u4efd\u3002<\/p>\n<blockquote>\n<p>\u4f86\u5230\u9019\u88e1\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u5927\u5bb6\u9047\u5230\u6709\u554f\u984c\uff0c\u53ef\u4ee5\u5728\u7559\u8a00\u5340\u7559\u8a00\uff1b<\/li>\n<li>\u5982\u679c\u89ba\u5f97\u5be6\u7528\u8acb\u5206\u4eab\u7d66\u670b\u53cb\uff0c\u611f\u8b1d<\/li>\n<\/ul>\n<\/blockquote>\n<h1 id=\"shell-script\"><span class=\"ez-toc-section\" id=\"%E8%87%AA%E5%8B%95%E5%82%99%E4%BB%BD%E9%9B%BB%E8%85%A6Shell_Script\"><\/span>\u81ea\u52d5\u5099\u4efd\u96fb\u8166Shell Script<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\u4ee5\u4e0bShell Script\u5167\u5bb9\u9069\u5408\u4ee5\u4e0b\u7cfb\u7d71\u4f7f\u7528\u8005\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/www.apple.com\/macos\/catalina\/\" title=\"macOS\">macOS<\/a><\/li>\n<li><a href=\"https:\/\/zh.wikipedia.org\/wiki\/Linux\" title=\"Linux\">Linux<\/a>\n<ul>\n<li><a href=\"https:\/\/zh.wikipedia.org\/wiki\/Red_Hat_Linux\" title=\"RedHat\">RedHat<\/a><\/li>\n<li><a href=\"https:\/\/zh.wikipedia.org\/wiki\/Ubuntu\" title=\"Ubuntu\">Ubuntu<\/a><\/li>\n<li><a href=\"https:\/\/zh.wikipedia.org\/wiki\/CentOS\" title=\"CentOS\">CentOS<\/a><\/li>\n<li><a href=\"https:\/\/zh.wikipedia.org\/wiki\/Fedora,\" title=\"Fedora\">Fedora<\/a> \u7b49\u7b49<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Shell_Script_%E8%AA%BF%E6%95%99\"><\/span>Shell Script \u8abf\u6559<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4e0b\u9762\u662f\u81ea\u52d5\u5099\u4efd\u96fb\u8166\u7684Shell Script\uff0c\u53ef\u4ee5\u81ea\u884c\u4fee\u6539\u7684\u4f4d\u7f6e\uff1a<\/p>\n<ul>\n<li>\u8b8a\u91cf backDir\uff1a\u662f\u6307\u9700\u8981\u5099\u4efd\u7684\u76ee\u9304\uff1b<\/li>\n<li>\u8b8a\u91cf destDir\uff1a\u662f\u6307\u5099\u4efd\u4e4b\u5f8c\u58d3\u7e2e\u6a94\u5b58\u653e\u7684\u76ee\u9304\uff1b<\/li>\n<li>\u8b8a\u91cf numberOfDayFileKeep\uff1a\u662f\u6307\u5099\u4efd\u58d3\u7e2e\u6a94\u5b58\u653e\u7684\u5929\u6578<br \/>\n<blockquote>\n<p><a href=\"https:\/\/www.theprogramclub.com\/%e9%97%9c%e6%96%bc\/\" title=\"\u706b\u661f\u8c6cDavid\">\u706b\u661f\u8c6cDavid<\/a>: \u8abf\u6559\u5f8c\u4fbf\u80fd\u81ea\u884c\u4f7f\u7528\u4e86!<\/p>\n<\/blockquote>\n<\/li>\n<\/ul>\n<pre><code class=\"language-shell\">#!\/bin\/bash\n#\n# \u81ea\u52d5\u5099\u4efd\u96fb\u8166Shell Script\n#\nbackupDir=&quot;\/home\/davidchu\/lession1&quot; #\u9700\u8981\u5099\u4efd\u7684\u76ee\u9304\ndestDir=&quot;\/home\/davidchu\/lession2\/back_dir&quot; #\u5099\u5099\u4efd\u4e4b\u5f8c\u58d3\u7e2e\u6a94\u5b58\u653e\u7684\u76ee\u9304\nnumberOfDayFileKeep=30 #\u5099\u4efd\u58d3\u7e2e\u6a94\u5b58\u653e\u7684\u5929\u6578\n\necho &quot;START BACKUP $backupDir&quot;; #\u958b\u59cb\u505a\u5099\u4efd\u58d3\u7e2e\u6a94\ntar zcPf $destDir\/backup`date +%Y%m%d%H%M%S`.tar.gz $backDir #\u58d3\u7e2e\u6a94\u6703\u4ee5backup\u5e74\u6708\u65e5\u6642\u5206\u79d2.tar.gz \u547d\u540d\n\ni=0\nfor f in `ls -1r $destDir`; do\n    if [ $i -ge 30 ]; then\n        echo &quot;REMOVE THE OLDEST FILE $destDir\/$f&quot; #\u5982\u679c\u58d3\u7e2e\u6a94\u5b58\u653e\u8d85\u904e30\u5929\uff0c\u6703\u88ab\u6b64\u7a0b\u5e8f\u522a\u9664\n        rm -rf $destDir\/$f\n    fi\n    let &quot;i++&quot;\ndone\n\nexit 1;<\/code><\/pre>\n<h2><span class=\"ez-toc-section\" id=\"%E4%BD%BF%E7%94%A8%E6%96%B9%E6%B3%95\"><\/span>\u4f7f\u7528\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"macOS_%E7%94%A8%E6%88%B6\"><\/span>macOS \u7528\u6236<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/www.apple.com\/macos\/catalina\/\" title=\"macOS\">macOS<\/a> \u53ef\u4ee5\u7528\u4ee5\u4e0b\u6b65\u9a5f\u5be6\u73fe\u81ea\u52d5\u6392\u7a0b\uff1a<\/p>\n<ol>\n<li>\u8acb\u628a\u4e0aShell Script\u8907\u88fd\u5230\u6587\u4ef6\u4e2d <code>backup.sh<\/code>\uff1b<\/li>\n<li>\u958b\u555f\u7d42\u7aef\u6a5f(Terminal);<\/li>\n<li>\u57f7\u884c <code>chmod +x ~\/Documents\/backup.sh<\/code> \u610f\u601d\u662f\u958b\u653e\u7cfb\u7d71\u57f7\u884c\u6b0a\u9650\uff1b<\/li>\n<li>\u57f7\u884c <code>crontab -e<\/code>;<\/li>\n<li>\u6309 &quot;i&quot; \u9032\u5165INSERT MODE, \u52a0\u4e0a\u4ee5\u4e0b\u6587\u5b57\uff1a<br \/>\n<code>0 0    * * *   ~\/Documents\/backup.sh &gt; \/dev\/null<\/code><\/li>\n<li>\u6309<code>ESC<\/code>\uff0c\u518d\u6309<code>:wq<\/code>\u5132\u5b58\u4fbf\u53ef\u4ee5\u4e86\uff08\u610f\u601d\u662f\u8a2d\u5b9a\u7cfb\u7d71\u6bcf\u592900\uff1a00\u57f7\u884c\u5099\u4efd\uff09\u3002<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Linux_%E7%94%A8%E6%88%B6\"><\/span>Linux \u7528\u6236<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/zh.wikipedia.org\/wiki\/Linux\" title=\"Linux\">Linux<\/a>  \u53ef\u4ee5\u7528\u4ee5\u4e0b\u6b65\u9a5f\u5be6\u73fe\u81ea\u52d5\u6392\u7a0b\uff1a<\/p>\n<ol>\n<li>\u8acb\u628a\u4e0a\u9762Shell Script\u8907\u88fd\u5230 <code>\/usr\/local\/src\/backup.sh<\/code>\uff1b<\/li>\n<li>\u57f7\u884c <code>chmod +x \/usr\/local\/src\/backup.sh<\/code> \u610f\u601d\u662f\u958b\u653e\u7cfb\u7d71\u57f7\u884c\u6b0a\u9650\uff1b<\/li>\n<li>\u57f7\u884c <code>echo &quot;0 0    * * *   root    bash \/usr\/local\/src\/backup.sh &gt; \/dev\/null&quot; &gt;&gt; \/etc\/crontab <\/code><br \/>\n\u610f\u601d\u662f\u8a2d\u5b9a\u7cfb\u7d71\u6bcf\u592900\uff1a00\u57f7\u884c\u5099\u4efd<\/li>\n<li>\u57f7\u884c <code>service cron start<\/code>\uff0c\u4fbf\u53ef\u4ee5\u4e86\u3002<\/li>\n<\/ol>\n<h1><span class=\"ez-toc-section\" id=\"Shell_Programming_%E5%B8%B8%E7%94%A8%E6%83%85%E6%99%AF%E6%9C%89%E4%BB%80%E9%BA%BC%E5%91%A2%EF%BC%9F\"><\/span>Shell Programming \u5e38\u7528\u60c5\u666f\u6709\u4ec0\u9ebc\u5462\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\u6700\u5f8c\u6211\u5011\u4e5f\u7e3d\u7d50\u4e86\u4e0b\u9762\u4e00\u4e9b\u60c5\u666f\uff0c\u662f\u9700\u8981\u5230<a href=\"https:\/\/en.wikipedia.org\/wiki\/Shell_script\" title=\"Shell Programming\">Shell Script<\/a><\/p>\n<ul>\n<li><a href=\"#shell-script\" title=\"Senerio 1. \u81ea\u52d5\u5099\u4efd\">Senerio 1. \u81ea\u52d5\u5099\u4efd<\/a>\uff1b<\/li>\n<li>Senerio 2. \u81ea\u52d5send Email\uff1b<\/li>\n<li>Senerio 3. \u5feb\u901f\u8655\u7406\u591a\u500b\u64cd\u4f5c(\u751f\u6210\u5927\u91cf\u6a94)\uff1b<\/li>\n<li>Senerio 4. \u81ea\u52d5\u4e0b\u8f09\u7db2\u4e0a\u7684\u6a94\u6848\uff1b<\/li>\n<\/ul>\n<blockquote>\n<p>\u6211\u5011\u6703\u4e0d\u65b7\u88dc\u5145\u76f8\u95dc\u7684<a href=\"https:\/\/en.wikipedia.org\/wiki\/Shell_script\" title=\"Shell Programming\">Shell Script<\/a> \u7684\u6307\u4ee4\u7684\uff01<br \/>\n\u5982\u679c\u5927\u5bb6\u9084\u60f3\u77e5\u9053\u66f4\u591aShell Programming \u7684\u6307\u4ee4\uff0c\u8a18\u5f97\u8a02\u95b1\u6211\u5011\u4e86\uff01<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u6b21\u6211\u5011\u6703\u7e7c\u7e8c\u81ea\u5b78Progr [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1135,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[60,53,54,119],"tags":[44,45,46,47,48,49,50,51,55,56,57,58,59,43],"class_list":["post-1134","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-macos","category-server","category-shell-programming","category-technology-share","tag-bash","tag-centos","tag-fedora","tag-linux","tag-linux-programming","tag-macos","tag-program","tag-programming","tag-shell-programming","tag-shell-script","tag-ubuntu","tag-unix","tag-59","tag-programming-learn"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/marstree.ltd\/wp-content\/uploads\/2020\/04\/2.png?fit=1200%2C630&ssl=1","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/marstree.ltd\/wp-json\/wp\/v2\/posts\/1134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/marstree.ltd\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/marstree.ltd\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/marstree.ltd\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/marstree.ltd\/wp-json\/wp\/v2\/comments?post=1134"}],"version-history":[{"count":1,"href":"https:\/\/marstree.ltd\/wp-json\/wp\/v2\/posts\/1134\/revisions"}],"predecessor-version":[{"id":1140,"href":"https:\/\/marstree.ltd\/wp-json\/wp\/v2\/posts\/1134\/revisions\/1140"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/marstree.ltd\/wp-json\/wp\/v2\/media\/1135"}],"wp:attachment":[{"href":"https:\/\/marstree.ltd\/wp-json\/wp\/v2\/media?parent=1134"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/marstree.ltd\/wp-json\/wp\/v2\/categories?post=1134"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/marstree.ltd\/wp-json\/wp\/v2\/tags?post=1134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}