CentOS enters single-user mode

CentOS enters single-user mode

1. Press enter on the Booting CentOS page;

2. On the GRUB interface, press the e key;

3. Select the second kernel item on the root (hd0, 0) interface and press the e key;

4. After <RDTYPE = pcKEYTYPE = us ####, add a space, single, and press enter;

5. Return to the root (hd0, 0) interface and press B to restart

For example, if you forget the password to crack:

Single User Mode: Press e at startup --> continue to input e --> move the cursor to kernel --> e edit --> enter space 1 or single press enter --> press B to enter single User Mode

Enter the passwdroot password and enter the second password --> then reboot enters the 3 mode.