Ubuntu10.04默认不支持root直接登录

sudo /etc/gdm/gdm.schemas

找到如下内容：

    <schema>
      <key>greeter/Include</key>
      <signature>s</signature>
      <default></default>
    </schema>

    <schema>
      <key>greeter/Exclude</key>
      <signature>s</signature>
      <default>bin,root,daemon,adm,lp,sync,shutdown,halt,mail,news,uucp,operator,nobody,nobody4,noaccess,postgres,pvm,rpm,nfsnobody,pcap</default>
    </schema>

 

修改为：

    <schema>
      <key>greeter/Include</key>
      <signature>s</signature>
      <default>root</default>
    </schema>

    <schema>
      <key>greeter/Exclude</key>
      <signature>s</signature>
      <default>bin,daemon,adm,lp,sync,shutdown,halt,mail,news,uucp,operator,nobody,nobody4,noaccess,postgres,pvm,rpm,nfsnobody,pcap</default>
    </schema>