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Tuesday, May 21, 2019

How to Boot into Single User Mode in CentOS/RHEL 7

DISCLAIMER: This is not my post is only a copy, in case the original gets deleted or whatever, posting on my personal blog gets easier for me to find it. You can find the original one at this link https://vpsie.com/knowledge-base/boot-single-user-mode-centos-rhel-vpsie/

The first thing to do is to open Terminal and log in to your CentOS 7 server.

After, restarting your server wait for the GRUB boot menu to show.

The next step is to select your Kernel version and press

e

key to edit the first boot option. Find the kernel line (starts with “linux16“), then change the

ro

to

rw init=/sysroot/bin/sh .

When you have finished, press

Ctrl-X

or

F10

to boot into single-user mode

After mounting the root filesystem using the following command:

chroot /sysroot/

Now, to finish this process reboot your server using the following command:

reboot -f