Change CentOS user password, centos Change User Password

Source: Internet
Author: User

Change CentOS user password, centos Change User Password

CentOS User Password Change

1. Common users

① Obtain the root permission of a Super User

Command: su, su-, or su-root

② Enter the command: passwd User Name

③ Enter the new password


2. superuser

① Open the system-auth file

Command: vim/etc/pam. d/system-auth

② Modify one line (set the minimum password length to 4)

Password requisite try_first_pass retry = 3 type = minlen = 4

③ Enter the command: passwd Super User Name

④ Enter the new password


Ps: Command: cat/etc/passwd // view all current users and passwords.

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