Add new linux installation

wiki/en/en-Installation-for-Linux.md

@@ -14,34 +14,42 @@ Although we don't provide official packages for every Linux distribution, you mi
 
 [![Packaging status](https://repology.org/badge/vertical-allrepos/jamulus.svg)](https://repology.org/project/jamulus/versions)
 
-There is also list of unofficial [packages for different distributions here](https://github.com/corrados/jamulus/issues/223).
+There is also list of unofficial [packages for different distributions here](https://github.com/jamulussoftware/jamulus/discussions/914).
 
-### Debian and Ubuntu (amd64 .deb only)
+### Flatpak
 
-If you're on amd64 **Debian**/**Ubuntu**, you may try the compiled .deb packages from GitHub Actions.
+Jamulus is available as a [Flatpak](https://flatpak.org/) from [Flathub here](https://flathub.org/apps/details/io.jamulus.Jamulus). You will need to setup pipewire in order to use the Jamulus flatpak.
 
-1. Download the jamulus_latest_ubuntu_amd64.deb file from the [Jamulus GitHub release](https://github.com/corrados/jamulus/releases/tag/latest) page
+### Debian and Ubuntu
+
+If you're on amd64 **Debian**/**Ubuntu**, you may try the compiled .deb packages from GitHub Actions:
+
+1. Download the [jamulus_latest_ubuntu_amd64.deb](https://github.com/jamulussoftware/jamulus/releases/download/latest/jamulus_latest_ubuntu_amd64.deb) file from the [Jamulus GitHub release](https://github.com/jamulussoftware/jamulus/releases/tag/latest) page
 1. Update apt: `sudo apt-get update`
-1. Install the package: `sudo dpkg -i /path/to/jamulus_latest_ubuntu_amd64.deb`
+1. Install the package: `sudo apt install /path/to/jamulus_latest_ubuntu_amd64.deb`.
 1. Since Jamulus needs the JACK server, you have to install it too. We recommend to use `QjackCtl` to configure JACK. You can install it via `sudo apt-get install qjackctl`
 
-**Note:** The generated deb files will install Jamulus with a lower case "j". You can therefore start it in terminal by typing `jamulus`. This is different to a compiled version of Jamulus which uses the upper case *J*!
+Afterwards you should look at the "[Set up your sound card](#set-up-your-sound-card)" step on this page.
 
-Afterwards you should look at the "Set up your sound card" step on this page.
+**Note:** Jamulus (with GUI) is [included in Debian Bullseye (testing)](https://packages.debian.org/bullseye/jamulus) thanks to [mirabilos](https://github.com/mirabilos). If you already use Bullseye, just install Jamulus via `sudo apt-get install jamulus`.
+
+---
 
-If you can't use one of these options, you need to compile Jamulus from source. That's quite easy:
+If you can't use one of the above options, you need to compile Jamulus from source:
 
-## Get Jamulus sources
+## Compile from source
+
+### Get Jamulus sources
 
 1. Open up a terminal window (command line - `CTRL+ALT+T` on Ubuntu and related distros)
 1. Download and unzip the sources for the latest release:
 ```shell
-wget https://github.com/corrados/jamulus/archive/latest.tar.gz
+wget https://github.com/jamulussoftware/jamulus/archive/latest.tar.gz
 tar -xvf latest.tar.gz
 ```
 
 
-## Install dependencies
+### Install dependencies
 
 First, update your package list (e.g. on Debian based distributions with `sudo apt-get update`).
 
@@ -67,7 +75,7 @@ sudo apt-get install qjackctl
 
 You may also wish to consider using a [low-latency kernel](https://help.ubuntu.com/community/UbuntuStudio/RealTimeKernel) (eg. for Ubuntu 18.04: `sudo apt-get install linux-lowlatency-hwe-18.04`).
 
-## Compile this bad boy
+### Compile this bad boy
 
 Now `cd` into the jamulus sources directory you downloaded:
 
@@ -86,6 +94,8 @@ sudo make install
 
 You can now delete the sources directory you compiled from.
 
+---
+
 ## Set up your sound card
 
 ### Configure JACK with QjackCtl
@@ -102,9 +112,9 @@ Restart JACK to take any new settings
 
 ### Start Jamulus
 
-Open Jamulus e.g. via your command shell. If you use the shell and compiled Jamulus yourself, execute the command `Jamulus` (with a capital 'J') or if you used the .deb package with a lowercase j. This will start the Jamulus Client.
+From the command line, execute the command `jamulus`, or if you compiled from source `Jamulus` with a (with a capital 'J'). This will start the Jamulus Client.
 
-If you get problems with sound breaking up (in particular XRUN errors reported by JACK/QjackCtl) try setting bigger values (e.g. 256 frames or 3 periods) in step 3 above. Lower ones (e.g. 64 frames) could bring better performance but maybe more sound problems. See the [troubleshooting page](Client-Troubleshooting) otherwise.
+If you get problems with sound breaking up (in particular XRUN errors reported by JACK/QjackCtl) try setting bigger values (e.g. 256 frames or 3 periods). Lower ones (e.g. 64 frames) could bring better performance but maybe more sound problems. See the [troubleshooting page](Client-Troubleshooting) otherwise.
 
 ## All installed?
 

wiki/en/en-Server-Linux.md

@@ -30,6 +30,20 @@ The following guide is for running Jamulus as a "pure" server on **hardware with
 
 * _Jamulus user [Grigory](https://sourceforge.net/u/cidnurg/profile/) maintains a **[Docker image for Jamulus](https://hub.docker.com/r/grundic/jamulus)** which you can use._
 
+### Use the official Debian/Ubuntu headless .deb files
+
+If you're on amd64 Debian/Ubuntu, you may try the compiled .deb packages from GitHub Actions:
+
+1. Download the [jamulus_headless_latest_ubuntu_amd64.deb](https://github.com/jamulussoftware/jamulus/releases/download/latest/jamulus_headless_latest_ubuntu_amd64.deb) file from the Jamulus [GitHub release page](https://github.com/jamulussoftware/jamulus/releases/tag/latest)
+1. Update apt: `sudo apt update`
+1. Install the package: `sudo apt install /path/to/jamulus_headless_latest_ubuntu_amd64.deb`
+1. Enable the headless server via systemd: `sudo systemctl enable jamulus-headless`
+1. Add the required [command line options](Command-Line-Options) to the systemd service file in `/lib/systemd/system/jamulus-headless.service`.
+1. Reload systemd files `sudo systemctl daemon-reload` and restart the headless server: `sudo systemctl restart jamulus-headless`
+
+You should now be running a private server!
+
+**Note:** To configure the server, you can add command line flags to the file `/lib/systemd/system/jamulus-headless.service` e.g. make this a public server. Have a look at the [Command Line Options](Command-Line-Options) page.
 
 ### Compile sources, create a user
 
@@ -143,7 +157,7 @@ Note: Press `q` to exit the service status.
 
 ### To update your installation to a new release
 
-Download the new sources as per the [instructions above](Server-Linux#compile-sources-create-a-user) and repeat the compilation in step 2 as if for a new installation. Shut down the server, copy the Jamulus binary over the old one and start it back up.
+Download the new sources as per the [instructions above](Server-Linux#compile-sources-create-a-user) and repeat the compilation in step 2 as if for a new installation or just install the new headless .deb files. If you compiled Jamulus from source, shut down the server, copy the Jamulus binary over the old one and start it back up.
 
 ***