nm-settings

TLDR

View connection settings

$ nmcli connection show [connection_name]

Set IPv4 address

$ nmcli connection modify [conn] ipv4.addresses "[192.168.1.10/24]"

Set DNS servers

$ nmcli connection modify [conn] ipv4.dns "[8.8.8.8 8.8.4.4]"

Set gateway

$ nmcli connection modify [conn] ipv4.gateway "[192.168.1.1]"

Set to static IP

$ nmcli connection modify [conn] ipv4.method manual

SYNOPSIS

nm-settings - NetworkManager connection settings reference

nm-settings describes the properties available for NetworkManager connections. These settings are configured via nmcli, nm-connection-editor, or directly in keyfiles.
Settings are organized by category (connection, ipv4, ipv6, wifi, etc.).

PARAMETERS

connection.id

Connection name.

connection.type

Connection type.

ipv4.method

auto, manual, disabled.

ipv4.addresses

IP addresses.

ipv4.dns

DNS servers.

802-11-wireless.ssid

WiFi network name.

COMMON SETTINGS

$ connection.autoconnect=yes
ipv4.method=auto|manual
ipv4.addresses=192.168.1.10/24
ipv4.gateway=192.168.1.1
ipv4.dns=8.8.8.8
802-11-wireless.ssid=MyNetwork

KEYFILE FORMAT

$ # /etc/NetworkManager/system-connections/MyConn.nmconnection
[connection]
id=MyConn
type=ethernet

[ipv4]
method=manual
addresses=192.168.1.10/24
gateway=192.168.1.1
dns=8.8.8.8;

CAVEATS

Setting names vary by connection type. Some settings require specific types. Keyfile format differs from D-Bus names.