Linux Server User

(1) Corrected error after/etc/sudoer, sudo world writable

Solution:pkexec chmod 0440/etc/sudoers

(2) Add sudo permissions for other users

Solution:

1, log in with root account or Su to root.

2, increase the Write permission of sudoers file: chmod u+w/etc/sudoers

3, Vim/etc/sudoers find root all= (all) all in this line add Dituhui all= (All) All (Ps:dituhui represents the user name you want to add sudo permissions)

4, remove the sudoers file Write permission: chmod u-w/etc/sudoers

(3) Add delete user Sam

Useradd–d/usr/sam-m Sam

passwd Sam

Userdel-r Sam (-r: Delete directory)

Linux Server User