How to reset the root password on CentOS 7 / Redhat 7 (RHEL 7)

This tutorial will show you how to reset the root password on CentOs 7 / Redhat 7. As a health warning please be sure that when doing this you have taken a snapshot of your VM or if it’s a physical server that you follow the instructions very carefully. With that in mind lets get started.

Step 1

When the system boots up press e on this screen.

Step 2

In the screen that appears scroll down to the line were you see Linux 16

Now Change where its says ro to:

rw init=/sysroot/bin/sh

Then press ctrl + x

Step 3

You will now be in emergency mode which will look like the screen below:

Step 4

Type in the command:

chroot /sysroot

Step 5

Reset the root password by typing in:

passwd root

Step 6

No ensure that selinux will be relabelled by typing the command:

touch /.autorelabel

Step 7

Type in:

exit

Step 8

Now reboot by typing in:

reboot

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