How to enter single user mode in centos

centos 7 enters single-user mode:

Modify grub2 boot:

Press "e" at the normal system entrance (there is a prompt), it will Enter the edit mode, search for the line ro, and change ro to rw starting with linux16

(change read-only to writable)

Delete rhgb quiet

Add init=/bin/sh

Press ctrl X to start the system

Change root password

#passwd Just change the password

centos 6 Enter single-user mode:

centos 6 Entering single-user mode is relatively simple. After restarting, press any character on the startup interface to enter the boot menu "a"

and then enter S, s, Single, any one of 1 can enter single user mode, the input here is "single".

Recommended tutorial:centos tutorial

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