Tags
PHP , GD-LIB
Asked 3 years ago
26 Oct 2021
Views 774
Harmony

Harmony posted

su: Authentication failure


(base) :~$ su
Password: 
su: Authentication failure

than i try

(base) :~$ sudo -i
sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set


how to solve this Authentication failure error?
jassy

jassy
answered Feb 17 '22 00:00

oh dear , i think you tried to change permission 777 to recursive manner.


sudo -i

the root account is blocked by default in Ubuntu, and there is no root password.set the password by above command
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