Redhat7 system root user password cracking

I believe everyone has used Linux System , that Redhat7 Everyone is no stranger . Everyone knows to create one Redhat7 When I started my virtual machine , Need configuration root User's password , So there's a problem , Sometimes I forget root Password , Then what shall I do? . Next, let's share a little way to crack the password .

1、 Restart the virtual machine , When entering GRUB Press the space bar in the interface , This is the interface below

 2、 After the operation, I see the bottom of the interface , Press “E” Enter edit mode , Enter the edit mode and find linux16 This business

3、 Move the cursor to linux16 The front of this line , Press “END” Key to jump to the end , Will end with rhgb Delete the last paragraph of characters , Delete the input space as well as rd.break

 4、 When the input is complete , Hold down Ctrl+X, Enter into a “ Pseudosystem ”

 5、 Do the following

mount -o remount,rw /sysroot

chroot /sysroot/

passwd

touch /.autorelabel

 6、 After the operation is completed , Type twice exit sign out , The system restarts automatically

 7、 Normal access system , Use the modified root Just log in with a password