How to solve CentOS7 cannot boot

How to solve CentOS7 cannot boot

Problem:

Solution The method is as follows:

Step 1. Press the keyboard casually when turning on the computer to enter the following menu

Step 2. Select the first item and press e Key to modify

Recommended learning:CentOS usage tutorial

Step 3. Locate ro (linux16)

Step 4. Change ro to "rw init=/sysroot/bin/sh". After completion, press "Ctrl x"

##Step 5. Now you can enter the single In user mode, enter the following commands in order to modify. After the modification is completed, restart.

chroot /sysroot/
chmod +x /etc/rc.d/rc.local

Press Ctrl D to exit the current state

reboot

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