Install qbittorrent server on ubuntu server 18.04

$sudo add-apt-repository ppa:qbittorrent-team/qbittorrent-stable

$sudo apt install qbittorrent-nox

$sudo adduser --system --group qbittorrent-nox
$sudo adduser [Username] qbittorrent-nox
$sudo nano /etc/systemd/system/qbittorrent-nox.service

[Unit]
Description=qBittorrent Command Line Client
After=network.target

[Service]

Do not change to "simple"

Type=forking
User=qbittorrent-nox
Group=qbittorrent-nox
UMask=007
ExecStart=/usr/bin/qbittorrent-nox -d --webui-port=8080
Restart=on-failure

[Install]
WantedBy=multi-user.target

$sudo systemctl start qbittorrent-nox
$sudo systemctl daemon-reload
$sudo systemctl enable qbittorrent-nox
$systemctl status qbittorrent-nox

login at server:8080 with admin/adminadmin (default password)