ubuntu13.04设置root权限详解
<p style='margin: 0px; padding: 5px 0px; outline: none; font-size: 14px; line-height: 30px; font-family: tahoma, arial, "Microsoft YaHei";'>很多朋友安装升级Ubuntu 13.04之后不知道ubuntu 13.04 root权限设置的具体方法，今天这篇文章就将为大家详细介绍设置root权限的步骤，新手朋友可以来看一看哦~</p>
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Ubunto 13.04默认是不允许root登录的，在登录窗口只能看到普通用户和客人登录，所以只能先以普通身份登陆Ubuntu，然后我们再做一些修改，使Ubunto能使用root权限，步骤如下：</p>
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1. 以普通用户登录;</p>
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2. 按Ctrl+Atl+T打开终端窗口;</p>
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3. 在终端窗口里面输入: sudo -s，然后输入普通用户登录的密码，回车即可进入root用户权限模式;</p>
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4. 修改系统配置文件，vi /etc/lightdm/lightdm.conf.增加<br>
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<span><u>复制代码</u></span>
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代码如下:</p>
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greeter-show-manual-login=true<br>
allow-guest=false</div>
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修改完的整个配置文件是<br>
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<span><u>复制代码</u></span>
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代码如下:</p>
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</p> <p>greeter-session=unity-greeter</p> <p>user-session=ubuntu</p> <p>greeter-show-manual-login=true #手工输入登陆系统的用户名和密码</p> <p>allow-guest=false #不允许guest登录</div>
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5. 然后我们启动root帐号：<br>
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<span><u>复制代码</u></span>
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代码如下:</p>
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sudo passwd root</div>
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根据提示输入roott帐号密码。</p>
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最后重启ubuntu，登录窗口会有“登录”选项，这时候我们就可以通过root登录了。</p>
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