apt install qbittorrent-nox
adduser --system --group qbittorrent-nox
nano /etc/systemd/system/qbittorrent-nox.service
[Unit]
Description=qBittorrent Command Line Client
After=network.target
[Service]
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
systemctl daemon-reload
systemctl start qbittorrent-nox
systemctl enable qbittorrent-nox
mkdir /home/qbittorrent-nox
chown qbittorrent-nox:qbittorrent-nox /home/qbittorrent-nox
usermod -d /home/qbittorrent-nox qbittorrent-nox
reboot now