Linux forgot to login password two ways to hack

2. For Linux systems booting with GRUB. After post, when the Grub boot interface appears, press the E key to enter edit mode, as shown in:

4. Move the cursor to the line with the word "kernel" and press the E key to edit it.

6. Press a space at the end, enter the number 1, and press ENTER to return to the previous interface. The line means to load the kernel, the end of the parameter 1, the command is not recognized, so it will pass this parameter 1 to the system started the first process, and the system started the first process is Init,init 1 is to enter the single-user mode.

8. Press the B key to start the system, after the boot is complete. Note that the prompt is the pound sign, which means that it is already root. Change the password directly with the command.

10. Reboot the system, you can log in with the password you just changed.

12. For Linux systems that are not booting with grub. You need tools to do it.

    Put the Linux system CD into the CD-ROM drive, then boot into the BIOS, set the boot system from the CD. ：

14. Select the third entry to enter rescue mode. Follow the prompts to step through the steps, such as:

16. According to its prompt, the original system has been mounted in the/mnt/sysimage directory, only need to edit the/mnt/sysimage/etc/passwd file, the user of the second column of the x Delete, save, exit, remove the disc, restart the system. As shown in the following:

18. After the restart is complete, note that enter the user name that you just removed the password, enter. will be able to enter the system.

Linux forgot to login password two ways to hack