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--- configure_static_ip_address_ubuntu_server_22_04 [2023/06/20 12:23] – wikiadmin
+++ configure_static_ip_address_ubuntu_server_22_04 [2023/06/20 14:42] (current) – wikiadmin
@@ Line 4: / Line 4: @@
 user@svr1:~$ ifconfig
 eno1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
-        inet 192.168.2.106  netmask 255.255.255.0  broadcast 192.168.2.255
+        inet 192.168.1.95  netmask 255.255.255.0  broadcast 192.168.1.255
         inet6 fe80::d6ae:52ff:fecd:3bf8  prefixlen 64  scopeid 0x20<link>
         ether d4:ae:52:cd:3b:f8  txqueuelen 1000  (Ethernet)
@@ Line 29: / Line 29: @@
 user@svr1:/etc/netplan$ ifconfig -a
 eno1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
-        inet 192.168.2.106  netmask 255.255.255.0  broadcast 192.168.2.255
+        inet 192.168.1.95  netmask 255.255.255.0  broadcast 192.168.1.255
         inet6 fe80::d6ae:52ff:fecd:3bf8  prefixlen 64  scopeid 0x20<link>
         ether d4:ae:52:cd:3b:f8  txqueuelen 1000  (Ethernet)
@@ Line 46: / Line 46: @@
         TX packets 288  bytes 29450 (29.4 KB)
         TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
+</code>
+Let's switch to /etc/netplan subdirectory path and perform a list command to see what is stored in the subdirectory.
+<code>
+user@svr1:$ cd /etc/netplan/
+user@svr1:/etc/netplan$ ls
+user@svr1:/etc/netplan$ 00-installer-config.yaml
+</code>
+Then, before we edit the network configuration file, let's make a backup of the '00-installer-config.yaml' file and call it '00-installer-config.yaml-bak' just in case we need to restore it in the future to obtain a dynamic IP lease.
+<code>
 user@svr1:/etc/netplan$ cp -v 00-installer-config.yaml 00-installer-config.bak
 '00-installer-config.yaml' -> '00-installer-config.bak'
@@ Line 128: / Line 140: @@
 </code>
-Notice that there was an error (failed to load, then it auto performed a hard restart of systemd-neworkd.service). This may be the result of using the first example above rather than the second (containing the line renderer: networkd).  A re-run of 'sudo netplan apply' like above, there is silent application.  Maybe insert the renderer line and re-apply to netplan.  See if that is silently applied as well.
+Notice that there was an error (failed to load, then the system auto-performed a hard restart of systemd-neworkd.service). This may be the result of using the first example above rather than the second (containing the line 'renderer: networkd').  A re-run of 'sudo netplan apply' like above, there is silent application.  Maybe insert the renderer line and re-apply to netplan.  See if that is silently applied as well.
@@ Line 146: / Line 158: @@
 rtt min/avg/max/mdev = 11.387/12.302/13.216/0.674 ms
 user@svr1:/etc/netplan$
+</code>
+Run ifconfig:
+<code>
+$ ifconfig
+eno1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
+        inet 192.168.1.95  netmask 255.255.255.0  broadcast 192.168.1.255
+        inet6 fe80::d6ae:52ff:fecd:3bf8  prefixlen 64  scopeid 0x20<link>
+        ether d4:ae:52:cd:3b:f8  txqueuelen 1000  (Ethernet)
+        RX packets 183111  bytes 149312474 (149.3 MB)
+        RX errors 0  dropped 88  overruns 0  frame 0
+        TX packets 47132  bytes 8346015 (8.3 MB)
+        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
+        device interrupt 16
+lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
+        inet 127.0.0.1  netmask 255.0.0.0
+        inet6 ::1  prefixlen 128  scopeid 0x10<host>
+        loop  txqueuelen 1000  (Local Loopback)
+        RX packets 374  bytes 38261 (38.2 KB)
+        RX errors 0  dropped 0  overruns 0  frame 0
+        TX packets 374  bytes 38261 (38.2 KB)
+        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
 </code>