time-service

1. Login to the lab server and determine which timezone should be used based on your location.

[root@localhost]# tzselect 

or 

[root@localhost]# timedatectl list-timezones

2. Update the system's timezone to reflect the selected timezone.

[root@localhost]# timedatectl set-timezone American/Chicago

3. Update the systemtime to match your current local time.

[root@localhost]# timedatectl set-time 02:00:00

4. Display current time and date information.

[root@localhost]# timedatectl

5. Update the NTP time services to be 0.pool.ntp.org, 1.pool.ntp2.org, 2.pool.ntp.org, and 3.pool.ntp.org.

[root@localhost]# vim /etc/chrony.conf

# Use public servers from the pool.ntp.org project.

# Please consider joining the pool (http://www.pool.ntp.org/join.html).

server 0.pool.ntp.org iburst

server 1.pool.ntp.org iburst

server 2.pool.ntp.org iburst

server 3.pool.ntp.org iburst

6. Apply the changes to the chronyd service.

[root@localhost]# systemctl restart chronyd

7. Verify the new time servers are properly working with chronyd.

[root@localchost] chronyc sources -v