[root@rhel-instance ]# adduser usertest

Adjusting password policies
145
Retype new password:
passwd: all authentication tokens updated successfully.
[root@rhel-instance
]# grep usertest /etc/shadow
usertest:$6$4PEVPj7M4GD8CH.4$VqiYY.
IXetwZA/g54bFP1ZJwQ/yc6bnaFauHGA1 1eFzsGh/
uFbJwxZCQTFHIASuamBz.27gb4ZpywwOA840eI.:19062:0:99999:7:::
The password hash is created and the date for the last change is just kept the same as the current date. Lets establish some options:
[root@rhel-instance
]# chage --mindays 0 --warndays 7
--inactive 3 --expiredate 2030-01-01 usertest
[root@rhel-instance
]# grep usertest /etc/shadow
usertest:$6$4PEVPj7M4GD8CH.4$VqiYY.IXetwZA/g54bFP1ZJwQ/
yc6bnaFauHGA1 1eFzsGh/uFbJwxZCQTFHIASuamBz.27gb4ZpywwOA
840eI.:19062:0:99999:7:3:21915:
[root@rhel-instance
]# dated UTC + 21915 days'
Tue Jan 1 01:00:00 AM CET 2030
Please notice the changes in the /etc/shadow file corresponding to the values specified for chage. We can check the changes with the l option for chage:
[root@rhel-instance
]# chage -l usertest
Last password change : mar 11, 2022
Password expires : never
Password inactive : never

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