How to retrieve the root password if you forget it in Linux

Log in as root and execute:

# passwd 用户名 (修改密码)
# useradd 用户名 (添加用户)

Specific examples are as follows:

[root@bogon ~]# passwd root
changing password for user root.
new unix password:
bad password: it is based on a dictionary word
retype new unix password:
passwd: all authentication tokens updated successfully.

Root password retrieval method under linux

root in linux Enjoy supreme power. Once the root password is forgotten or stolen, it is a very headache. So how can you retrieve the root password? I summarize it as follows:

(1) Linux system password Crack

1. Press e in the grub option menu to enter edit mode

2. Edit the kernel line /init 1 (or /single)

3. Press b to restart

4. After entering, execute the following command

root@#passwd root (配置root的密码)
enter new unix password:输入新的密码
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 in the kernel line and change it to rw single init=/bin/bash, press b to execute the restart

3. After entering Execute the following command

root@(none)#mount -a
root@(none)#passwd root
root@(none)#reboot

(3) freebsd system password cracking

1. Boot into the boot menu

2. Select each item (press 4) to enter single-user mode

3. Enter a series of commands after entering

root@#mount -a
root@#fsck -y
root@#passwd(修改密码命令)

What versions of Linux are there?

Linux versions include: Deepin, UbuntuKylin, Manjaro, LinuxMint, Ubuntu and other versions. Among them, Deepin is one of the best-developed Linux distributions in China; Ubuntu Kylin is a derivative distribution based on Ubuntu; Manjaro is a Linux distribution based on Arch; LinuxMint's default Cinnamon desktop is similar to Windows XP and is simple and easy to use; Ubuntu is a desktop application Mainly Linux operating system.

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