Static IP configuration

cat > /etc/systemd/network/10-static-en.network << "EOF1"

[Match]

Name=eth0

[Network]

DHCP=no

Address= <your IP>/24

Gateway=<your Gateway IP>

DNS=<your DNS IP>

EOF1

cat > /etc/systemd/network/99-dhcp-en.network << "EOF2"

[Match]

Name=e*

[Network]

DHCP=no

EOF2

chmod 644 /etc/systemd/network/10-static-en.network

chmod 644 /etc/systemd/network/99-dhcp-en.network

rm /etc/systemd/network/99-dhcp-en.network

systemctl restart systemd-networkd

networkctl status