nmcli notes

This note was created on 2024-04-02
This note was last edited on 2024-04-02

=== Usage ===
Check if NetworkManager is running and there's a connection to Internet:
$ nmcli general

List all interfaces and their status:
$ nmcli -f general

List all the available devices:
$ nmcli device status

List all the available connections
$ nmcli connection show

List interface configuration:
$ nmcli connection show <connection name>

Show active connections:
$ nmcli connection show --active

Activate a connection:
$ nmcli connection up <connection name>

Deactivate connection
$ nmcli connection down <connection name>

Delete connection
# nmcli connection delete <connection name>

Reload connection:
# nmcli connection reload

Interactively edit or add a connection: 
# nmcli connection edit <connection name>
> print ipv4.address
> remove ipv4.address "192.168.10.2/24"
> set ipv4.address 192.168.10.10/24
> print ipv4.address
> verify
> quit

Enable of disable autoconnect:
# nmcli connection modify <connection name> connection.autoconnect no

Get DNS server for a connection:
$ nmcli -g ipv4.dns connection show <connection name>

Set DNS server for a connection:
# nmcli connection modify <connection name> ipv4.dns 9.9.9.9

Import WireGuard connection profile:
# nmcli connection import type wireguard file "/path/to/wg0.conf"

Set name for imported WireGuard connection profile named "wg0.conf":
# nmcli connection modify wg0 connection.id <connection name>

Import OpenVPN connection profile:
# nmcli connection import type openvpn file /path/to/your/config.ovpn

Get current hostname
$ nmcli general hostname

Update hostname
# nmcli general hostname <new hostname>