Administrators sometimes end up with a requirement to reset the root password due to a lost root password. It’s quite often happening because administrators have to remember lots of passwords or frequent change of root password to adhere to organizations password policies.
In this guide, we will see how to reset the root password in CentOS 8 / RHEL 8.
Prerequisites
Boot the system into the single-user mode using the below link.
READ: How To Boot into the single-user mode in CentOS 8 / RHEL 8
Reset lost root password
chroot your system if you haven’t done already.
chroot /sysroot
Reset the root password.
passwd
Update SELinux information.
touch /.autorelabel
Exit chroot.
exit
Reboot your system.
reboot
Please wait for SELinux relabeling to complete. This relabeling would take some time depending on file system size.
You can now login to your system with the new password.
Conclusion
That’s All. I hope you have learned how to reset the lost root password in CentOS 8 / RHEL 8.
