first commit

ubuntu/ubuntu-set-ip.sh

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+# ask to set static ip address
+read -r -p "Set Static IP address? <y/N> " prompt
+if [[ "${prompt,,}" =~ ^(y|yes)$ ]] ; then
+read -r -p "Enter Static IP Address with subnet prefix: " staticip
+read -r -p "Enter Gateway IP Address: " gatewayip
+read -r -p "Enter DNS IP Address (separated by commas): " dnsip
+# get adapter name
+name=$(basename /sys/class/net/e*)
+# backup original netplan yaml file
+mv /etc/netplan/00-installer-config.yaml /etc/netplan/00-installer-config.yaml.bak > /dev/null 2>&1
+rm /etc/netplan/01-network-manager-all.yaml > /dev/null 2>&1
+# create new netplan yaml file
+cat >> /etc/netplan/01-network-manager-all.yaml <<HERE
+network:
+    version: 2
+    renderer: networkd
+    ethernets:
+        $name:
+            addresses:
+                - $staticip
+            nameservers:
+                addresses: [$dnsip]
+            routes:
+                - to: default
+                  via: $gatewayip
+HERE
+# apply netplan
+sudo netplan apply
+fi