Crack the startup password and single-user password of Grub system
Crack the startup password and single-user password of Grub system
1 enter rescue mode
2 Select the default OK
3 Select the default OK
4 Select NO and do not create a network.
5 Select Continue to continue
6 Select the default OK
7 Select the default OK
Choose to turn on shell Start shell OK
9 use the df command to view partition mount information
10 use chroot / mnt/sysp_w_picpath to change to the root directory.
11 then weave grub.conf using vi
12 delete single-user or system encrypted two lines of content, you can start normally without a password and enter single-user mode without a password.
13exit exits the root directory and reboot can be restarted.
At this point, the crack is complete.