Install qBittorrent-nox on Ubuntu 20.04

qBittorrent-nox is an open-source BitTorrent client for downloading files. qBittorrent-nox is same as the standard qBittorrent but without the desktop graphical user interface. qBittorrent-nox provides only web interface.

This tutorial explains how to install qBittorrent-nox on Ubuntu 20.04.

Install qBittorrent-nox

Add the qBittorrent repository:

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

Install qBittorrent-nox:

sudo apt install -y qbittorrent-nox

After installation, we can check qBittorrent-nox version:

qbittorrent-nox --version

Run qBittorrent-nox as a service

In order to run qBittorrent-nox as a service we need to configure systemd. Create a systemd unit file:

sudo nano /etc/systemd/system/qbittorrent-nox.service

Add following content to the file:

[Unit]
Description=qBittorrent client
After=network.target

[Service]
ExecStart=/usr/bin/qbittorrent-nox --webui-port=8080
Restart=always

[Install]
WantedBy=multi-user.target

You can change web interface port if you want.

Start qBittorrent-nox service:

sudo service qbittorrent-nox start

You can run the following command to make sure that qBittorrent-nox service is running:

sudo service qbittorrent-nox status

Also you can stop or restart the service:

sudo service qbittorrent-nox stop
sudo service qbittorrent-nox restart

To enable qBittorrent-nox to start on boot, run the following command:

sudo systemctl enable qbittorrent-nox

Testing qBittorrent-nox

Open a browser and enter URL address http://<IP_ADDRESS>:8080, where <IP_ADDRESS> is IP address of your machine. You can log in to the web UI with the default username (admin) and password (adminadmin).

If you want to change password, click "Tools" in the menu bar and then "Options". Select the Web UI tab. Under the "Authentication" section, you can change change password.

Uninstall qBittorrent-nox

If you want to completely remove the qBittorrent-nox, stop the service and remove a systemd unit file.

sudo service qbittorrent-nox stop
sudo systemctl disable qbittorrent-nox
sudo rm -rf /etc/systemd/system/qbittorrent-nox.service
sudo systemctl daemon-reload
sudo systemctl reset-failed

Remove qBittorrent-nox:

sudo apt purge --autoremove -y qbittorrent-nox

Remove GPG key and repository:

sudo rm -rf /etc/apt/trusted.gpg.d/qbittorrent-team_ubuntu_qbittorrent-stable.gpg
sudo rm -rf /etc/apt/sources.list.d/qbittorrent-team-ubuntu-qbittorrent-stable-focal.list

You can also remove the qBittorrent configuration, cache, and other related directories:

sudo rm -rf /.config/qBittorrent
sudo rm -rf /.local/share/qBittorrent
sudo rm -rf /.cache/qBittorrent
rm -rf ~/.config/qBittorrent
rm -rf ~/.local/share/qBittorrent
rm -rf ~/.cache/qBittorrent