Linux Change account password

1. Purpose:

Change the password for user Duan

2. Method:

(1) Current user is Duan

1. Login account Duan

2. Execute command passwd

3. Prompt for Unix passwd, enter Duan's original password, and enter the new password two times.

(2) switch to root user change password

1.SU root (switch to root user)

2.echo "New passwd" | passwd--stdin Duan (replace the new passwd with the password we want to change)

3.PASSWD Duan, and then enter a new password (directly enter two password, you can not consider the 8 character requirements)

Linux Change account password