Use the chpasswd command of linux to update passwords in bulk

Editor to share with you the use of linux's chpasswd command to update passwords in batches. I hope you will gain a lot after reading this article. Let's discuss it together.

The chpasswd command is a tool for updating user passwords in batches, redirecting the contents of a file to / etc/shadow.

The chpasswd command reads the user's name and password from the standard input of the system and uses this information to update the password of the user that already exists on the system.

Syntax format: chpasswd [parameters]

Common parameters:

-e the password entered is encrypted ciphertext-m when the supported password is not encrypted, use MD5 encryption instead of DES encryption-h to display help information and exit

Reference example

Using the chpasswd command to change passwords in batches is a shortcut in linux system management:

[root@linuxcool ~] # cat user.txtlinuxcool:redhat [root@linuxcool ~] # chpasswd < user.txt after reading this article, I believe you have some understanding of using linux's chpasswd command to update passwords in batches. You want to know more about it. Welcome to follow the industry information channel. Thank you for reading!