https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html-single/configuring_and_managing_networking/index
# Terminal 'nmtui' is recommended method for network adapter using static IP address. Further below method is manual edit of config files.

sudo dnf install NetworkManager NetworkManager-tui
ip link show
nmcli connection show
NetworkManager --print-config | grep migrate-ifcfg-rh
nmcli -f name,uuid,filename connection
cat /etc/NetworkManager/system-connections/enp1s0.nmconnection

sudo hostnamectl set-hostname new.name
sudo hostnamectl set-hostname ipa2.corp.intensewebs.com
sudo nmcli con modify 'enp1s0' ifname enp1s0 ipv4.method manual ipv4.addresses 192.168.1.124/24 ipv4.gateway 192.168.1.131 ipv4.dns 192.168.1.140 ipv4.dns-search corp.intensewebs.com
#DO NOT DOWN THE NETWORK CONNECTION IF YOU ARE LOGGED IN REMOTE BY SSH OR YOU WILL LOSE THE CONNECTION. It might be better to Reboot?
sudo nmcli con down 'enp1s0'
sudo nmcli con up 'enp1s0'
resolvectl status
systemd-resolve --status enp1s0
sudo systemctl restart networking
sudo systemctl restart NetworkManager
ip address show enp1s0
ip route show default
cat /etc/resolv.conf

sudo vi /etc/resolv.conf
domain intensewebs.com
search intensewebs.com
nameserver 192.168.1.140
nameserver 192.168.1.141

sudo vi /etc/hosts
# ADD/CHANGE
192.168.1.103 ctp1.intensewebs.com ctp1

sudo vi /etc/hostname
# ADD/CHANGE
ctp1.intensewebs.com

ip link list
ip link show
sudo nmcli device status
sudo nmcli con modify 'Wired connection 1' ifname enp0s3 ipv4.method manual ipv4.addresses 192.168.1.149/24 gw4 192.168.1.1
sudo nmcli connection modify Example-Connection ipv4.addresses 192.168.1.124/24
sudo nmcli connection modify Example-Connection ipv6.addresses 2001:db8:1::1/64
sudo nmcli connection modify Example-Connection ipv4.method manual
sudo nmcli connection modify Example-Connection ipv6.method manual
sudo nmcli connection modify Example-Connection ipv4.gateway 192.168.1.131
sudo nmcli connection modify Example-Connection ipv6.gateway 2001:db8:1::fffe
sudo nmcli connection modify Example-Connection ipv4.dns "192.168.1.140"
sudo nmcli connection modify Example-Connection ipv6.dns "2001:db8:1::ffbb"
sudo nmcli connection modify Example-Connection ipv4.dns-search example.com
sudo nmcli connection modify Example-Connection ipv6.dns-search example.com
sudo nmcli connection up Example-Connection
sudo nmcli device status
