How to Reset Root Password in Redhat Linux 6 Desktop or Server
122Hello Everyone,
In this tutorial,
Let us Install Reset Root Password on Redhat Linux 6 or 7 -- 64Bit or 32Bit
Note :- Watch Next Video on How to Reset Root Password in CentOS 7
https://www.youtube.com/watch?v=ljj3ebPUd8s&list=PLmMAzSMza_1c8iKqez6CJlvJ-AJEi1Rm4
Note :- Watch Next Video on How to Reset Root Password in Fedora 21, 20
https://www.youtube.com/watch?v=GIiXnpK_tO0&list=PLmMAzSMza_1c8iKqez6CJlvJ-AJEi1Rm4&index=15
Procedure…..
Fix Broken Sudo.......
Errors that you are getting..........
Error 1:- you may notice an error saying you're not in the sudoers file and the incident is going to be reported.
Error 2:- sorry user usuario is not allowed to execute '/usr/bin/passwd root' as root on.
Cause and symptoms :-
the /etc/sudoers file has been altered to no longer allow users in the admin group to escalate privilege
the permissions on the /etc/sudoers file are changed to something other than 0440
a user who should not have been has been taken out of the admin group.
By above error and cause can be done by following steps.....
To Reset Root Passwd
step1 :- Restart your server or desktop
step2 :- press continue shift untill boot menu show
step3 :- select ubuntu generic second option press Enter
step4 :- then select root shell press Enter
step5 :- type mount -o rw,remount /
step6 :- sudo passwd root or passwd root
assign passwd and then repeat again the same passwd
Note :- in place of root you can set your name,hostname any name that u assign during installation OR Login.
You can also Create NEW USER
step7 :- sudo adduser ubuntu and give new passwd
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