sudo: /etc/sudoers is mode 0640, should be 0440解决办法
2014-04-17 11:09
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ubuntu或者CentOS中,/etc/sudoer 的权限为 0440时才能正常使用,否则sudo命令就不能正常使用。出现类似:sudo: /etc/sudoers is mode 0640, should be 0440 的对话。
解决办法:
1、Ctrl+Alt+F1 进入文本模式。用超级用户登录,如root
2、输入:chmod 0440 /etc/sudoers 。Enter
3、exit 退出
4、Ctrl+Alt+F7 返回图形模式。
5、在试试sudo命令,可以用了
P:其实另开一个端口,su -进入root,然后chmod 0440 /etc/sudoers
效果是一样的
example:
[BIngo@windows ~]$ sudo chmod u+w /etc/sudoers
口令:
[BIngo@windows ~]$ ls -l /etc/sudoers
-rw-r----- 1 root root 3210 11-16 02:40 /etc/sudoers
[BIngo@windows ~]$ sudo chmod u-w /etc/sudoers
sudo: /etc/sudoers is mode 0640, should be 0440
[BIngo@windows ~]$ ls -l /etc/sudoers
-rw-r----- 1 root root 3210 11-16 02:40 /etc/sudoers
另开端口
[root@windows ~]# chmod 0440 /etc/sudoers
[root@windows ~]# exit
[BIngo@windows ~]$ ls -l /etc/sudoers
-r--r----- 1 root root 3210 11-16 02:40 /etc/sudoers
解决办法:
1、Ctrl+Alt+F1 进入文本模式。用超级用户登录,如root
2、输入:chmod 0440 /etc/sudoers 。Enter
3、exit 退出
4、Ctrl+Alt+F7 返回图形模式。
5、在试试sudo命令,可以用了
P:其实另开一个端口,su -进入root,然后chmod 0440 /etc/sudoers
效果是一样的
example:
[BIngo@windows ~]$ sudo chmod u+w /etc/sudoers
口令:
[BIngo@windows ~]$ ls -l /etc/sudoers
-rw-r----- 1 root root 3210 11-16 02:40 /etc/sudoers
[BIngo@windows ~]$ sudo chmod u-w /etc/sudoers
sudo: /etc/sudoers is mode 0640, should be 0440
[BIngo@windows ~]$ ls -l /etc/sudoers
-rw-r----- 1 root root 3210 11-16 02:40 /etc/sudoers
另开端口
[root@windows ~]# chmod 0440 /etc/sudoers
[root@windows ~]# exit
[BIngo@windows ~]$ ls -l /etc/sudoers
-r--r----- 1 root root 3210 11-16 02:40 /etc/sudoers
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