معمل 25.1: Time zone and NTP client

هذا الجزء لم يُترجم بعد. أنت ترى النص الإنجليزي.

الهدف

Set the time zone, make server1 a time server for the lab network, and make server2 sync from server1.

On both servers, show all time settings. Set the time zone to Asia/Riyadh.
On server1, allow NTP clients from 192.168.122.0/24 and open the firewall for NTP.
On server2, remove the default pool and use only server1 as time source.
On server2, check that server1 is the selected source and that the clock is synchronized.
On server2, write the system time to the hardware clock and compare both clocks.

$timedatectl | grep -E 'Time zone|synchronized|NTP service'
#chronyc sources
#chronyc tracking | grep -E 'Reference|Leap'
#hwclock; date

اعرض التلميحات

اعرض الحل

Time zone (both servers).

#timedatectl
#timedatectl set-timezone Asia/Riyadh

server1 as NTP server.

#echo "allow 192.168.122.0/24" >> /etc/chrony.conf
#systemctl restart chronyd
#firewall-cmd --add-service=ntp --permanent; firewall-cmd --reload

server2 as client.

#sed -i 's/^pool /# pool /' /etc/chrony.conf
#echo "server server1 iburst" >> /etc/chrony.conf
#systemctl restart chronyd