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doc: cookbook: Add entry about Wireguard VPN.

Co-authored-by: Brice Waegeneire <brice@waegenei.re>

* doc/guix-cookbook.texi (Connect to Wireguard VPN): New section.
wip-hurd-vm
Marcin Karpezo 2 years ago
committed by Brice Waegeneire
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  1. 80
      doc/guix-cookbook.texi

80
doc/guix-cookbook.texi

@ -327,7 +327,7 @@ package definitions.
@item
Inheritance makes it easy to customize a package by inheriting from it and
modifying only what is needed.
@item
Batch processing: the whole package collection can be parsed, filtered and
processed. Building a headless server with all graphical interfaces stripped
@ -1323,6 +1323,7 @@ reference.
@menu
* Customizing the Kernel:: Creating and using a custom Linux kernel on Guix System.
* Connecting to Wireguard VPN:: Connecting to a Wireguard VPN.
* Customizing a Window Manager:: Handle customization of a Window manager on Guix System.
* Setting up a bind mount:: Setting up a bind mount in the file-systems definition.
@end menu
@ -1567,6 +1568,83 @@ likely that you'll need to modify the initrd on a machine using a custom
kernel, since certain modules which are expected to be built may not be
available for inclusion into the initrd.
@node Connecting to Wireguard VPN
@section Connecting to Wireguard VPN
To connect to a Wireguard VPN server you need the kernel module to be
loaded in memory and a package providing networking tools that support
it (e.g. @code{wireguard-tools} or @code{network-manager}).
Here is a configuration example for Linux-Libre < 5.6, where the module
is out of tree and need to be loaded manually---following revisions of
the kernel have it built-in and so don't need such configuration:
@lisp
(use-modules (gnu))
(use-service-modules desktop)
(use-package-modules vpn)
(operating-system
;; …
(services (cons (simple-service 'wireguard-module
kernel-module-loader-service-type
'("wireguard"))
%desktop-services))
(packages (cons wireguard-tools %base-packages))
(kernel-loadable-modules (list wireguard-linux-compat)))
@end lisp
After reconfiguring and restarting your system you can either use
Wireguard tools or NetworkManager to connect to a VPN server.
@subsection Using Wireguard tools
To test your Wireguard setup it is convenient to use @command{wg-quick}.
Just give it a configuration file @command{wg-quick up ./wg0.conf}; or
put that file in @file{/etc/wireguard} and run @command{wg-quick up wg0}
instead.
@quotation Note
Be warned that the author described this command as a: “[…] very quick
and dirty bash script […]”.
@end quotation
@subsection Using NetworkManager
Thanks to NetworkManager support for Wireguard we can connect to our VPN
using @command{nmcli} command. Up to this point this guide assumes that
you're using Network Manager service provided by
@code{%desktop-services}. Ortherwise you need to adjust your services
list to load @code{network-manager-service-type} and reconfigure your
Guix system.
To import your VPN configuration execute nmcli import command:
@example shell
# nmcli connection import type wireguard file wg0.conf
Connection 'wg0' (edbee261-aa5a-42db-b032-6c7757c60fde) successfully added
@end example
This will create a configuration file in
@file{/etc/NetworkManager/wg0.nmconnection}. Next connect to the
Wireguard server:
@example shell
$ nmcli connection up wg0
Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/6)
@end example
By default NetworkManager will connect automatically on system boot. To
change that behaviour you need to edit your config:
@example shell
# nmcli connection modify wg0 connection.autoconnect no
@end example
For more specific information about NetworkManager and wireguard
@uref{https://blogs.gnome.org/thaller/2019/03/15/wireguard-in-networkmanager/,see
this post by thaller}.
@node Customizing a Window Manager
@section Customizing a Window Manager
@cindex wm

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