解决遗忘LINUX登陆密码
之前克隆了别人的一台虚拟机,问机主要了密码试了一下居然报错,机主自己也搞不清楚密码是对是错,嘤嘤嘤~
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzAyLzAxMDkvMjE0NTI0Njc3XzFfMjAyMTAyMDEwOTQ3NDgxOTAucG5n.jpg)
遇到这种情况,其实可以进入single模式去修改root密码,下边的方法适用于ubuntu12.04版本
1、重启ubuntu,随即长按shirft进入grub菜单,选择recovery-mode,不要按回车哦~
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzAyLzAxMDkvMjE0NTI0Njc3XzJfMjAyMTAyMDEwOTQ3NDgyMzgucG5n.jpg)
2、按”e”键进入编辑页面;如下(恢复模式)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzAyLzAxMDkvMjE0NTI0Njc3XzNfMjAyMTAyMDEwOTQ3NDgzMTYucG5n.jpg)
3、将recovery nomodeset替换为rw single init=/bin/bash;
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzAyLzAxMDkvMjE0NTI0Njc3XzRfMjAyMTAyMDEwOTQ3NDg0MTAucG5n.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzAyLzAxMDkvMjE0NTI0Njc3XzVfMjAyMTAyMDEwOTQ3NDg0ODcucG5n.jpg)
(注:如果是非恢复模式,是将界面中位置的ro single改为rw single init=/bin/bash)
4、按ctrl+x进入单用户模式,当前用户即为root;
![](http://n4.ikafan.com/assetsj/blank.gif)
5、到/etc目录下修改sudoers权限:chmod 0440 sudoers,搞定;同时passwd root修改root密码,下次就不这么麻烦了;
![](http://n4.ikafan.com/assetsj/blank.gif)
6、按ctrl+alt+del重启;
重启完成就可以用设置好的密码进入linux啦~
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