Chage Command with example to manage Linux password expiration

chage - change user password expiry information 

chage changes the number of days between password changes and the date of the last password change. This information is used by the system to determine when a user must change her password. The chage command is restricted to the root user, except for the -l option, which may be used by an unprivileged user to determine when her password or account is due to expire.

• To see list of account policy of user:

$ change -l username

• To change maximum number of days, to which a password is valid:

$ change -M value username

• To change minimum number of days between password changes:

$ change -m value username

• To set the number of days of warning before a password change is required:

$ change -W value username

•  To set the number of days of inactivity after a password has expired before the account is locked:

$ change -I value username

•  To set a date on which the user's account will no longer be accessible:

$ change -E mm/dd/yyyy username

• To change, when last password changed.

$ change -d mm/dd/yyyy username

Configuration  file example:

 By Linux-Care