Modifying IP Address of Server

Purpose: This is a scaffold document outlining the high level of changing an IP address of a server in either Debian or RHEL based operating systems.

# Edit Netplan File
nano /etc/netplan/<name-of-netplan-file>
# <edit existing networking> --> <save file>

# Apply Netplan Changes
netplan apply

# Modify the Existing Connection via nmcli
nmcli connection modify ens18-connection \
ipv4.addresses 192.168.3.13/24 \
ipv4.gateway 192.168.3.1 \
ipv4.dns "192.168.3.25,192.168.3.26" \
ipv4.method manual

# Bring the Connection Online
sudo nmcli connection down ens18-connection
sudo nmcli connection up ens18-connection