Julian Lemmerich's Homenetwork wiki - knowledge_base:linux:ipconfig
https://wiki.julian-lemmerich.de/
2026-05-02T17:26:35+00:00Julian Lemmerich's Homenetwork wiki
https://wiki.julian-lemmerich.de/
https://wiki.julian-lemmerich.de/lib/exe/fetch.php?media=wiki:dokuwiki.svgtext/html2025-02-19T13:50:32+00:00Anonymous (anonymous@undisclosed.example.com)ifupdown
https://wiki.julian-lemmerich.de/doku.php?id=knowledge_base:linux:ipconfig:ifupdown&rev=1739973032&do=diff
IP configuration: ifupdown
ifupdown is the classic debian way of configuring network. It is on its way out tho. Still works on Debian 12, but for example Raspian Bookworm and Debian Cloud Images have moved away from it.
Static Configuration
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
allow-hotplug eth0
iface eth0 inet static
address 192.168.21.2/24
gateway 192.168.21.1
iface eth0 inet6 static
address fd18:76a0:3427:…text/html2025-02-19T13:50:03+00:00Anonymous (anonymous@undisclosed.example.com)iproute2
https://wiki.julian-lemmerich.de/doku.php?id=knowledge_base:linux:ipconfig:iproute2&rev=1739973003&do=diff
IP Configuration: iproute2
Mit iproute2 kann man live änderungen an IP konfiguration vornehmen.
Man Page
IPv6
sudo ip addr add 2003:59:6034::26:4/64 dev eth1
sudo ip route add ::/0 via 2003:59:6034::1 dev eth1
Token
sudo ip token set ::27 dev eth0text/html2025-02-19T13:45:41+00:00Anonymous (anonymous@undisclosed.example.com)kernel
https://wiki.julian-lemmerich.de/doku.php?id=knowledge_base:linux:ipconfig:kernel&rev=1739972741&do=diff
Network Kernel Settings
Forwarding
net.ipv4.ip_forward = 1
net.ipv6.conf.all.forwarding = 1
To use dynamic ip configuration instead of static in ipv6 with fowarding on:
net.ipv6.conf.all.accept_ra = 2
Disable IPv6 completely
net.ipv6.conf.eth0.disable_ipv6 = 1 #replace eth0 with desired interface or alltext/html2026-03-13T10:17:53+00:00Anonymous (anonymous@undisclosed.example.com)netplan
https://wiki.julian-lemmerich.de/doku.php?id=knowledge_base:linux:ipconfig:netplan&rev=1773397073&do=diff
IP Configuration: Netplan
Netplan is the default to configure on Ubuntu.
# This file is generated from information provided by
# the datasource. Changes to it will not persist across an instance.
# To disable cloud-init's network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
network:
ethernets:
eth0:
dhcp4: no
addresses:
- 192.168.25.40/24
…text/html2025-05-12T08:10:17+00:00Anonymous (anonymous@undisclosed.example.com)nm
https://wiki.julian-lemmerich.de/doku.php?id=knowledge_base:linux:ipconfig:nm&rev=1747037417&do=diff
NetworkManager
Configuration
!TODO
i dont like it
Removing Network Manager
Komplettes purgen geht auf den meisten systemen nicht, weil es eine dependency von Gnome und von XFCE auf Kali ist.
sudo systemctl stop NetworkManager
sudo systemctl disable NetworkManagertext/html2025-02-19T13:46:30+00:00Anonymous (anonymous@undisclosed.example.com)start
https://wiki.julian-lemmerich.de/doku.php?id=knowledge_base:linux:ipconfig:start&rev=1739972790&do=diff
IP Configuration
Linux has so many ways of configuring IPs, so here is a collection of how to do it!
Main options
* Kernel Settings
Network Managers
* iproute2 (temp)
* ifupdown or /etc/network/interfaces (old Debian)
* netplan (Ubuntu)
* systemd-networkd (new Debian)
* NetworkManager (Raspian & Kali)