How to Reset Root Password in Redhat Linux 6 or 7

Hello 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

NOTE :- For Any Clarification Please Below

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