The CentOS7 virtual machine has not been used for a while, and the root password does not exist. the method for modifying the root password found on the Internet is recorded here. 1-in the start grub menu, select edit option to start 2-press keyboard e to enter the editing page 3-find the line of Linux16, change ro to rwinit =/sysroot/bin/sh4-now press
The CentOS7 virtual machine has not been used for a while, and the root password does not exist. the method for modifying the root password found on the Internet is recorded here.
1-in the enable grub menu, select edit option to start
2-press the keyboard key e to enter the editing page
3-find the line in Linux 16 and change ro to rw init =/sysroot/bin/sh.
4-now press Control + x to start in single user mode
5-now, you can use the following command to access the system
chroot /sysroot
6-reset the password
passwd root
7-update system information
touch /.autorelabel
8-exit chroot
exit
9-restart your system
reboot