Hi,
this command line disables the password aging for a specific user
root@debdev ~# chage -I -1 -m 0 -M 99999 -E -1 myuser
Parameters in detail
- -m : The minimum Password Age to 0
- -M : The maximum Password Age to 99999
- -I : Password Inactive to -1
- -E : Account Expiration Date to -1
These parameter were stored in /etc/shadow
Michael