suse add a normal user gives root ownership limit appears ___1

问题：
sudo:sudo /etc/sudoers is world writable
sudo:no valid sudoers sources found ,quitting
sudo:unable to initialize policy plugin

 

 

# Chmod can not be used to modify permissions 
Demo: Desktop piaoyu.qiu $ LS -la / etc / sudoers
 -rwxrwxrwx   1 root Wheel   1371   8   9  11 : 28 / etc / sudoers 
Demo: Desktop piaoyu.qiu $ chmod 440 / etc / sudoers 
chmod: Change to the MODE ON File Unable / etc / sudoers: Operation not permitted 

# switch to root 
Demo: Desktop piaoyu.qiu $ su 
password: set your password 
SH - 3.2 # LS the -l / etc / sudoers
 -rwxrwxrwx   1 root Wheel   1371   8   9  11 :28 /etc/sudoers
sh-3.2# chmod 0440 /etc/sudoers
sh-3.2# ls -l /etc/sudoers
-r--r-----  1 root  wheel  1371  8  9 11:28 /etc/sudoers
sh-3.2# exit