Reset/Recover Root Password On Redhat/CentOs 7


If you forget or want to recover the root password of redhat /CentOs machine. You do not need to be panic. It’s possible to break or reset the root password in case if you forget it.

source link Step 1 :

Reboot your machine, before booting Press ‘e’ to interrupt the booting process of your machine.

Then look for a line linux 16 write  demokonto trading sparkasse rd.break between initrd16  and Press Ctrl ‘x’ to execute it.

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Now system will be in emergency mode, next step is run a command mentioned below

Work at home email processors mount –o  remount,rw/  sysroot

This command is used as by default sysroot is in read only mode. We changed it to read write mode.

follow Step 3 :

Change the root

rencontre astaffort chroot  /sysroot

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Type go here passwd

It will ask you to change the password after running above command then change the root password here.'A=0 Step 5:

This command will disabled the SElinux

Type getenforce

follow link Step 6.

After all, Last Step is to load the changes to SElinux

Command is    enter touch /.autorelabel

Press  exit

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You will have to exit two times then system will reboot, try to login with your new password. Enjoy

You’re done.


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