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--- linux_wiki:configure_networking_and_hostname_resolution_statically_or_dynamically [2018/03/18 16:05]
billdozor [Hostname Configuration]
+++ linux_wiki:configure_networking_and_hostname_resolution_statically_or_dynamically [2019/05/25 23:50] (current)
@@ Line 169: / Line 169: @@
 \\
-Order of name resolution
+Order of name resolution (hosts entry)
 <code bash>
 /etc/nsswitch.conf
+#....other entries above
+# hosts: search local files and then DNS
+hosts:      files dns
+#....other entries below
 </code>
@@ Line 189: / Line 196: @@
 /etc/hosts
-.1.1.2  myserver.com
+# IP      Hostname                Aliases
+.1.1.2  myserver01.example.com  website.domain.com
 </code>
 \\
-Add DNS for eth0 with nmcli or with config file
+**Add DNS** (not replace) for eth0 with nmcli or with config file
-<code bash>
+  * nmcli method<code bash>
 nmcli con show
 (observe NAME field)
-nmcli con mod "System eth0" +ipv4.dns 8.8.8.8
+nmcli con mod "System eth0" +ipv4.dns 8.8.8.8</code>
-</code>
+  * Edit files directly method<code bash>
-OR
-<code bash>
 vim /etc/sysconfig/network-scripts/ifcfg-eth0
-DNS1=8.8.8.8
+DNS1=8.8.8.8</code>
-</code>
+  * Apply changes: Issue nmcli command or restart NetworkManager
-  * Both methods require the NetworkManager service to be restarted for changes to take effect. (systemctl restart NetworkManager)
+    * nmcli method<code bash>nmcli con up eth0</code>
+    * Service restart<code bash>systemctl restart NetworkManager</code>
 ----