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--- linux_wiki:network_services_overview_ntp [2016/10/08 17:26]
billdozor [Install the packages needed to provide the service]
+++ linux_wiki:network_services_overview_ntp [2019/05/25 23:50] (current)
@@ Line 12: / Line 12: @@
   * Configure the service for basic operation
   * Configure host-based and user-based security for the service
+----
+====== Lab Setup ======
+The following virtual machines will be used:
+  * ipa.example.com (192.168.1.152) -> Central Time Server
+  * server1.example.com (192.168.1.150) -> NTP Server1 syncs with central (also peers with server2)
+  * server2.example.com (192.168.1.151) -> NTP Server2 syncs with central (also peers with server1)
 ----
@@ Line 42: / Line 51: @@
 Check Current Service Status
 <code bash>
-systemctl status <service-name>
+systemctl status chronyd
 </code>
   * Also displays if the service is enabled or disabled
@@ Line 49: / Line 58: @@
 Enabling a service to start on boot
 <code bash>
-systemctl enable <service-name>
+systemctl enable chronyd
 </code>
@@ Line 58: / Line 67: @@
 Enable and Start the service
 <code bash>
-systemctl enable <service-name>
+systemctl enable chronyd
-systemctl start <service-name>
+systemctl start chronyd
 </code>
@@ Line 68: / Line 77: @@
 ===== Firewall =====
-Allow access through the firewall
+Allow access through the firewall if you want other servers to sync to this system
 <code bash>
-firewall-cmd --permanent --add-service=<service-name>
+firewall-cmd --permanent --add-service=ntp
 firewall-cmd --reload
 </code>