{"id":427,"date":"2017-02-13T19:22:51","date_gmt":"2017-02-13T11:22:51","guid":{"rendered":"http:\/\/www.thinkmesh.net\/?p=427"},"modified":"2017-02-13T19:36:29","modified_gmt":"2017-02-13T11:36:29","slug":"%e7%a0%b4%e8%a7%a3linux%e7%9a%84root%e5%af%86%e7%a0%81","status":"publish","type":"post","link":"http:\/\/www.thinkmesh.net\/?p=427","title":{"rendered":"\u7834\u89e3Linux\u7684root\u5bc6\u7801"},"content":{"rendered":"<div class=\"alert alert-success\" role=\"alert\">\u8be5\u6587\u6574\u7406\u81ea\u7f51\u7edc\uff0c\u66f4\u591a\u5185\u5bb9\u8bf7\u770b\u8fd9\u91cc\u3002<\/div>\n<h2>Linux\u7684\u542f\u52a8\u8fc7\u7a0b <\/h2>\n<p>\u5177\u4f53\u542f\u52a8\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>1.\u5f00\u673a\u81ea\u68c0(POST)\uff0c\u521d\u59cb\u5316\u90e8\u5206\u786c\u4ef6<\/li>\n<li>2.\u641c\u7d20\u53ef\u7528\u4e8e\u5f15\u5bfc\u7684\u542f\u52a8\u8bbe\u5907\uff08\u5982\u78c1\u76d8\u7684MBR\uff09<\/li>\n<li>3.\u8bfb\u53d6\u5e76\u5c06\u63a7\u5236\u6743\u4ea4\u7ed9\u7cfb\u7edf\u542f\u52a8\u52a0\u8f7d\u5668\uff08grub2\uff09<\/li>\n<li>4.\u542f\u52a8\u52a0\u8f7d\u5668\u52a0\u8f7d\u5668\u914d\u7f6e\uff0c\u663e\u793a\u53ef\u7528\u914d\u7f6e\u83dc\u5355<\/li>\n<li>5.\u542f\u52a8\u52a0\u8f7d\u5668\u52a0\u8f7d\u5185\u6838\u53cainitramfs\uff0c\u7f6e\u5165\u5185\u5b58<\/li>\n<li>6.\u542f\u52a8\u52a0\u8f7d\u5668\u5c06\u63a7\u5236\u6743\u4ea4\u7ed9\u5185\u6838<\/li>\n<li>7.\u7531\u5185\u6838\u67e5\u627einitramfs\u4e2d\u7684\u786c\u4ef6\u9a71\u52a8\uff0c\u4f5c\u4e3aPID=1\u4eceinitramfs\u6267\u884c\/sbin\/init<\/li>\n<li>8.Systemd\u6267\u884cinitrd.target\u7684\u6240\u6709\u5355\u5143\uff08\u5305\u542b\u5c06\u6587\u4ef6\u7cfb\u7edf\u6302\u8f7d\u5230\/sysroot\uff09<\/li>\n<li>9.\u5185\u6838root\u6587\u4ef6\u7cfb\u7edf\u4eceinitramfsroot\u6587\u4ef6\u7cfb\u7edf\u5207\u6362\u5230\/sysroot\u4e0a\u7684\u7cfb\u7edfroot\u6587\u4ef6\u7cfb\u7edf<\/li>\n<li>10.Systemd\u67e5\u627e\u9ed8\u8ba4\u76ee\u6807\uff08target\uff09\uff0c\u7136\u540e\u542f\u52a8\u8be5target\u7684\u6240\u6709\u5355\u5143<\/li>\n<\/ul>\n<p>\u5176\u4e2d\uff0c\u4ee5\u4e0a\u7b2c10\u6b65\u7684\u201dSystemd\u67e5\u627e\u9ed8\u8ba4\u76ee\u6807\uff08target\uff09\uff0c\u7136\u540e\u542f\u52a8\u8be5target\u7684\u6240\u6709\u5355\u5143\u201c\u4e2d\u7684target\u6307\u7684\u662f\u5982\u4e0b\u542f\u52a8\u52a0\u8f7d\u5355\u5143\uff1a<br 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src=\"http:\/\/www.thinkmesh.net\/wp-content\/uploads\/2017\/02\/2017021311303082.png\"  \/><\/a><br \/>\n4.\u7136\u540e\u8fdb\u5165\u5230initramfs\u6587\u4ef6\u7cfb\u7edf\uff0c\u91cd\u65b0\u6302\u8f7d\/sysroot\uff0c\u4f7f\u7528rw\u65b9\u5f0f\u8fdb\u884c\u6302\u8f7d<br \/>\n<a href=\"http:\/\/www.thinkmesh.net\/wp-content\/uploads\/2017\/02\/2017021311321810.jpg\" rel=\"box\" class=\"fancybox\"><img decoding=\"async\" src=\"http:\/\/www.thinkmesh.net\/wp-content\/uploads\/2017\/02\/2017021311321810.jpg\"  \/><\/a><br \/>\n5.\u4f7f\u7528chroot\u547d\u4ee4\uff0c\u5c06shell\u5207\u6362\u5230\/sysroot\u4e0b<br \/>\n<a href=\"http:\/\/www.thinkmesh.net\/wp-content\/uploads\/2017\/02\/2017021311330391.jpg\" rel=\"box\" class=\"fancybox\"><img decoding=\"async\" src=\"http:\/\/www.thinkmesh.net\/wp-content\/uploads\/2017\/02\/2017021311330391.jpg\" \/><\/a><br \/>\n6.\u6b64\u65f6\u4f7f\u7528passwd\u547d\u4ee4\uff0c\u5c06\u5bc6\u7801\u4fee\u6539\u6210\u4f60\u8981\u4fee\u6539\u7684\u5bc6\u7801\u5373\u53ef\u3002\u6700\u540e\u521b\u5efa\/.autorelabel\u6587\u4ef6\uff0c\u544a\u8bc9SELinux\u91cd\u65b0\u8fdb\u884c\u6587\u4ef6\u6807\u8bb0<br \/>\n<a href=\"http:\/\/www.thinkmesh.net\/wp-content\/uploads\/2017\/02\/2017021311335185.jpg\" rel=\"box\" class=\"fancybox\"><img decoding=\"async\" src=\"http:\/\/www.thinkmesh.net\/wp-content\/uploads\/2017\/02\/2017021311335185.jpg\" \/><\/a><br \/>\n7.\u8fde\u7eed\u4e24\u4e2aexit\uff0c\u9000\u51fa\u5e76\u91cd\u542f\u7cfb\u7edf<br \/>\n<a href=\"http:\/\/www.thinkmesh.net\/wp-content\/uploads\/2017\/02\/201702131135008.jpg\" rel=\"box\" class=\"fancybox\"><img decoding=\"async\" src=\"http:\/\/www.thinkmesh.net\/wp-content\/uploads\/2017\/02\/201702131135008.jpg\"  \/><\/a><br \/>\n8. \u81f3\u6b64\uff0croot\u7684\u5bc6\u7801\u5df2\u88ab\u91cd\u7f6e\u6210\u529f\uff0c\u5c1d\u8bd5\u91cd\u65b0\u767b\u5f55<br 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