Nmcli anwenden

Liste der Geräte

• nmcli device

Liste der WLAN Verbindungen

• nmcli connection

if you did not set HostName, set it like follows

IPv4 Adresse setzen

• nmcli connection modify enp1s0 ipv4.method manual ipv4.addresses 10.0.0.30/24

Gateway einstellen

• nmcli connection modify enp1s0 ipv4.gateway 10.0.0.1

DNS setzen

• nmcli connection modify enp1s0 ipv4.dns 10.0.0.10

DNS search

• nmcli connection modify enp1s0 ipv4.dns-search srv.world

Statische Ip

• nmcli connection modify enp1s0 ipv4.method manual

DHCP

• nmcli connection modify enp1s0 ipv4.method auto

Neuladen der Werte

• nmcli connection down enp1s0
• nmcli connection up enp1s0

Anzeigend der Einstellungen

• nmcli device show enp1s0

Get info about the current connection

• nmcli con show

Add a new bridge

• nmcli con add type bridge ifname br0

Create a slave interface

• nmcli con add type bridge-slave ifname eno1 master br0

Turn on br0

• nmcli con up bridge-br0

löschen eines Devices

• nmcli connection delete bridge-br0

Dummy Device

• nmcli connection add type dummy ifname dummy0
• nmcli connection add type dummy ifname dummy0 ipv4.addresses 10.0.1.1/24

Dummy Arp Workaround

• vi /etc/NetworkManager/dispatcher.d/pre-up.d/dummy.sh

#!/bin/bash
if test "$1" = "dummy0"
then
 if test "$2" = "pre-up"
 then
 ip link set dummy0 arp on
 fi
fi

Wireguard import

• nmcli connection import type wireguard file wg0.conf
• nmcli connection delete wg0

Quellen

• https://www.server-world.info/en/note?os=Fedora_35&p=ntp&f=1
• https://www.golinuxcloud.com/nmcli-command-examples-cheatsheet-centos-rhel/
• https://blogs.gnome.org/thaller/2019/03/15/wireguard-in-networkmanager/