Introduction
This article will introduce how to solve some problems when using the "sudo" command in Ubuntu.
Situation 1
Error message:
sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set
Solution:
chmod 440 /etc/sudoers
chmod 775 /etc/sudoers.d
Situation 2
Error message:
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
Solution:
chmod 440 /etc/sudoers.d/README
chown root:root /usr/bin/sudo
chmod 4755 /usr/bin/sud
Situation 2
Error message: “sudo: /etc/sudoers.d is world writeable”
Solution1:
pkexec chmod 0755 /etc/sudoers.d/
当使用plexec命令提示以下错误，请按下面的另一个方法操作。
Solution2:
重启服务器按Esc，进入advance option，然后进入该内核的recovery mode，再进入root下面运行以下命令
Article ID: 2161, Created: December 9, 2022 at 2:33 AM, Modified: January 11, 2023 at 9:05 PM