RHEL 7 / CentOS 7 single user mode

Single User Mode

For RHEL 7/CentOS 7

rd.break method

Interrupt boot at grub using the e key. Append rd.break to the end of the kernel line

When booted to single user mode:

mount -o remount,rw /sysroot
chroot /sysroot

Make whatever changes you need to make the system usable.

Fix selinux labels!

touch /.autorelabel

Exit out to reboot Verify host up and working

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