Linux forgets the root password and enters single-user mode to change the password

1. for details about lilo1. when the lil prompt appears, enter linuxsingle & nbsp; the screen displays lillinuxsingle2. press enter to go to linux command line 3. run the password command to change the password. 2. when grub1. grub screen appears, use the up/down key to select the one that you usually start linux,

1. about lilo
1. when the lil prompt appears, type linux single
Linux single
2. press enter to directly access the linux command line
3. use the password command to change the password

II. about grub
1. when the grub screen appears, use the up/down key to select the item that you usually start linux, and then press the e key.
2. use the up and down keys again to select the one you usually start linux (similar to kernel/boot/vmlinuz-2.4.18-14 ro root = LABEL =/), and then press the e key
3. modify the command line you see and add single. The result is as follows:
Kernel/boot/vmlinuz-2.4.18-14 single ro root = LABEL =/single
4. press enter to return, and then press the B key to start, you can directly enter the linux command line
5. run the password command to change the password.