changing linux user’s password in one command line code example

Example 1: linux change user password

passwd $user

Example 2: change linux user password

#if you dont't have your root password => then don't use sudo command

# passwd <username>
Current password:
New password:
Retype new password:
passwd: password updated successfully

Example 3: how to change password in linux

# sudo passwd <username>
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully