apt install curl -y
curl https://downloads.plex.tv/plex-keys/PlexSign.key | apt-key add -
echo deb https://downloads.plex.tv/repo/deb public main | tee /etc/apt/sources.list.d/plexmediaserver.list
apt install apt-transport-https -y
apt update
apt install plexmediaserver -y

Faire un tunnel SSH puis localhost:32400/web/index.html

Redémarrer en cas de plantage :

/usr/sbin/service plexmediaserver restart