Reset root password in CentOS 7 / RHEL 7

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There may be some occasion you will end up with requirement to reset the root password, the occasion comes when you forget root password; follow this guide to reset the password of root. In CentOS, single user mode will help us to achieve our goal of resetting root password.

Boot your system in single user mode.

chroot your system

chroot /sysroot

reset the root password.

passwd

Update SELinux information.

touch /.autorelabel

Exit chroot

exit

Reboot your system.

reboot

Login with new password.

That’s All.

本文出自 “vincent” 部落格，謝絕轉載！

Reset root password in CentOS 7 / RHEL 7