This recipe is for a standard Plex Media server with Sonarr, Radarr, and Sabnzbd running on Debian 10

Install Plex

Download Plex media server from the Plex download page

https://www.plex.tv/media-server-downloads/#plex-media-server

Once you've copied the URL for the linux/arm64 version, download it using:

wget https://downloads.plex.tv/plex-media-server-new/1.16.5.1488-deeb86e7f/debian/plexmediaserver_1.16.5.1488-deeb86e7f_amd64.deb

Install using

sudo dpkg -i plexmediaserver_1.16.5.1488-deeb86e7f_amd64.deb

Once it's installed, add it to the aptitude package manager by uncommenting the last line in /etc/apt/sources.list.d/plexmediaserver.list:

sudo vi /etc/apt/sources.list.d/plexmediaserver.list
# When enabling this repo please remember to add the PlexPublic.Key into the apt setup.
# wget -q https://downloads.plex.tv/plex-keys/PlexSign.key -O - | sudo apt-key add -
deb https://downloads.plex.tv/repo/deb/ public main