[2] Konfiguracja klienta NTP

[1] Zainstaluj i skonfiguruj Chrony.

[root@lsr02vm ~]# dnf -y install chrony

[root@lsr02vm ~]# mcedit /etc/chrony.conf

# linia 3: dodaj 
# dodaj serwer czasu z [1] Konfiguracja serwera NTP
#pool 2.centos.pool.ntp.org iburst
pool 192.168.1.2 iburst

# uruchom serwer czasu
[root@lsr02vm ~]# systemctl enable --now chronyd

# otwórz Firewalld dla serwera NTP
[root@lsr02vm ~]# firewall-cmd --add-service=ntp --permanent
success
[root@lsr02vm ~]# firewall-cmd --reload
success

# skontroluj status serwera
[root@lsr02vm ~]# chronyc sources
210 Number of sources = 1
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
^* 192.168.1.2 3 6 17 17 +15us[ +25us] +/- 22ms

[2] Zainstalowanie NTPStat umożliwia podgląd statusu synchronizacji.

[root@lsr02vm ~]# dnf -y install ntpstat

[root@lsr02vm ~]# ntpstat
synchronised to NTP server (192.168.1.2) at stratum 4
time correct to within 23 ms
polling server every 64 s