Differences

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--- linux:ntp [2023/03/22 16:52] – admin
+++ linux:ntp [2025/11/06 12:26] (current) – [chrony] gsys
@@ Line 4: / Line 4: @@
 <code bash>
-rcntp ntptimeset     #Zeit mit NTP-Server synchroniseren (SLES)
+rcntp ntptimeset     #Zeit mit NTP-Server synchroniseren (SLES legacy)
+ntpq -p              #show peers
+timedatectl
+sudo timedatectl set-ntp true
+sudo timedatectl set-local-rtc 0
+systemctl status systemd-timesyncd
+sudo systemctl restart systemd-timesyncd
 </code>
@@ Line 13: / Line 19: @@
 timedatectl list-timezones |  egrep  -o "Europe/B.*"
 sudo timedatectl set-timezone "Europe/Berlin"
+</code>
+===== chrony =====
+''chrony.conf''
+<code>
+server 192.168.1.1
+allow 10.1.0.0/16
+allow 192.168.1.0/24
+</code>
+restart chrony service
+<code>
+systemctl restart chronyd
+</code>
+check if new ntp server is used
+<code>
+journalctl --since -1h -u chronyd
+</code>
+==== client ====
+<code>
+chronyc activity
+chronyc 'burst 4/4'   # might interrupt services
+chronyc -N sources
 </code>