Force password change

To force a user to change their password at the next log in run the chage command:-

Check current settings

[root@sbt-centos sysconfig]# chage -l fred
Last password change                    : Jan 23, 2014
Password expires                    : never
Password inactive                    : never
Account expires                        : never
Minimum number of days between password change        : 0
Maximum number of days between password change        : 99999
Number of days of warning before password expires    : 7
 
Expire the password

[root@sbt-centos sysconfig]# chage -d 0 fred




Check new settings
 
[root@sbt-centos sysconfig]# chage -l fred
Last password change                    : password must be changed
Password expires                    : password must be changed
Password inactive                    : password must be changed
Account expires                        : never
Minimum number of days between password change        : 0
Maximum number of days between password change        : 99999
Number of days of warning before password expires    : 7