System Management: password cracking for Linux operating systems

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

Ii) 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.

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