test script added

dev_env_setup.sh

@@ -77,6 +77,8 @@ while true; do
         read -p "  Enter new hostname --> " new_hostname
         sudo sed -i.backup "s/$HOSTNAME/$new_hostname/g" /etc/hosts
         sudo sed -i.backup "s/$HOSTNAME/$new_hostname/g" /etc/hostname
+        sleep 3s
+        sudo systemctl reload NetworkManager
         echo -e "\n    ${GRN}Host name changed to ${LCY}$new_hostname${CRS}"
         break
     else