Ubuntu cli - check mac address & change network config
1-1) ip -br link show up 1-2) ifconfig 1-3) nmcli con show 2-1) sudo nmcli con mod "Wired connection X" ipv4.addresses 000.000.000.000/YY X: Check nmcli con show Y: Subnet mask 8: 255.0.0.0 (large networks) 16: 255.255.0.0 (medium networks) 24: 255.255.255.0 (home or small networks) 30: 255.255.255.252 (point-to-point links) 2-2) sudo nmcli con mod "Wired connection X" ipv4.gateway 000.000.0.0 2-3) sudo nmcli con mod "Wired connection X" ipv4.dns "0.0.0.0 0.0.0.0" 2-4) sudo nmcli con mod "Wired connection X" ipv4.method manual 2-5) sudo nmcli con mod "Wired connection X" ipv4.dhcp-client-id "" 2-6) sudo nmcli con down "Wired connection X" && sudo nmcli con up "Wired connection X" 3-1) sudo nano /etc/netplan/01-network-manager-all.yaml network: version: 2 renderer: networkd ethernet...