Linux operating system password cracking

Article Title: password cracking for Linux operating systems. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.

(1) Linux system password cracking

1. Press E in the grub option menu to enter the editing mode.
2. Edit the line/init 1 (or/single) of the kernel)
3. Press B to restart
4. Run the following command
Root @ # passwd root (set the root password)
Enter new unix password: Enter a new password
Root @ # init 6

(2) debian linux system password cracking

1. In the grub option menu 'debian GNU/Linux,... (recovery mode) ', press e to enter the editing mode.
2. Edit the ro single at the end of the kernel line and change it to rw single init =/bin/bash. Press B to restart.
3. Run the following command
Root @ (none) # mount-
Root @ (none) # passwd root
Root @ (none) # reboot

(3) Freebsd system password cracking

1. boot to enter the boot menu
2. Select each item (Press 4) to enter the single-user mode.
3. Enter a command column.
Root @ # mount-
Root @ # fsck-y
Root @ # passwd (password change command)
Root @ # root (username to crack the password)
Enter new unix password:
Root @ # init 6 (restart)

(4) Solaris system password cracking

1. Select the solaris failasfe item in the grub option menu
2. The system prompts Do you wish to have it mounted read-write on/? [Y, n,?] Select y
3. Enter the single-user mode.
4. Enter the following command
# Passwd
# New passwd: Enter the New password
# Re-enter New passwd: enter a New password
# Init 6 (restart)

(5) NetBsd system password cracking

1. Boot: When a prompt symbol appears and the last five seconds start, type the following command:
> Boot-s (command for entering single-user mode)
2. In the following prompt symbols
Enter pathname of shell or RETURN for sh:
Press Enter.
3. type the following command:
# Mount-
# Fsck-y
4. Use passwd to change the root password.
5. Use the exit command to enter the multiplayer mode.