linux18.04安装操作过程中误操作sudo chmod -R 777 /usr,出现问题
sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set,解决办法,在系统启动时按下shift建进入recovery模式,
但是我使用sudo时还是无法正常运行,出现错误
sudo: error in /etc/sudo.conf, line 0 while loading plugin 'sudoers_policy'
sudo: /usr/lib/sudo/sudoers.so must only be writable by owner
sudo: fatal error, unable to load plugins
解决办法,还是用上面方式进入recovery模式,首先更改挂载为读写模式,然后执行指令,并重启。
chmod 644 /usr/lib/sudo/sudoers.so
$ chown -R root /usr/lib/sudo