December 2018
Beginner
320 pages
8h 57m
English
Content preview from CentOS Quick Start Guide
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Understanding password aging parameters
The chage command is used to list the existing password aging policy or to modify the policy. The /etc/shadow file contains nine colon-separated fields, which include both the encrypted password and the password aging policy. The following is the format of the information contained in the /etc/shadow file:
name : password : lastchange : minage : maxage : warning : inactive : expire : blank
The following table lists the /etc/shadow file fields and their descriptions:
|
Field |
Description |
|
Login name |
It is the user account login name on the local system. |
|
Password |
It is an encrypted password. If this field contains the ! symbol, then it means the password is locked. |
|
Lastchange |
It is ... |
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