linux开放超级权限
时间：2009-08-05 来源：bensonliao
su - root
然后输入密码
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully
$ su - root
Password:
su: Authentication failure
Sorry.
这时候输入
$ sudo passwd rootEnter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully
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