Know how to remove password expiry in a Linux system. This is helpful in setting app accounts that need non-expiry passwords to run.
Requirement :
To set never expire attribute on account password. Some applications/users are required to have the same password for a longer duration. This requires them to exit from the system-wide password expiry policy. So that those accounts can run a lifetime without the need of changing their passwords.
How to do it :
Check the account’s current policy.
# chage -l testuser
Last password change : Sep 01, 2016
Password expires : Oct 04, 2016
Password inactive : never
Account expires : never
Minimum number of days between password change : 0
Maximum number of days between password change : 33
Number of days of warning before password expires : 7
Here the second line shows when the password is expiring post which user will be prompted to set a new password. Set password to never expire with below command
# chage -M -1 testuser
Verify changes in the account. Note here in output, Password expires field changed its value to never.
# chage -l testuser
Last password change : Sep 01, 2016
Password expires : never
Password inactive : never
Account expires : never
Minimum number of days between password change : 0
Maximum number of days between password change : 33
Number of days of warning before password expires : 7
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