install qbittorrent-nox on an existing (wireguard) LXC

qbit-update.sh

#!/usr/bin/env bash

# Copyright (c) 2021-2025 community-scripts ORG
# Author: tteck (tteckster) | Co-Author: Slaviša Arežina (tremor021)
# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
# Source: https://www.qbittorrent.org/

set -e

APP="qBittorrent"

if [[ -f /.config/qBittorrent/qBittorrent.conf ]]; then
  echo "Migrating old config..."
  mkdir -p $HOME/.config/qBittorrent/
  mv /.config/qBittorrent $HOME/.config/
  rm -rf /.config/qBittorrent
  echo "Migrated old config"
fi

if [[ ! -f $HOME/.config/qBittorrent/qBittorrent.conf ]]; then
  echo "Creating config..."
  mkdir -p $HOME/.config/qBittorrent/
  cat <<EOF >$HOME/.config/qBittorrent/qBittorrent.conf
[LegalNotice]
Accepted=true

[Preferences]
WebUI\Password_PBKDF2="@ByteArray(amjeuVrF3xRbgzqWQmes5A==:XK3/Ra9jUmqUc4RwzCtrhrkQIcYczBl90DJw2rT8DFVTss4nxpoRhvyxhCf87ahVE3SzD8K9lyPdpyUCfmVsUg==)"
WebUI\Port=8090
WebUI\UseUPnP=false
WebUI\Username=admin
EOF
  echo "Created config"
fi

FULLRELEASE=$(curl -s https://api.github.com/repos/userdocs/qbittorrent-nox-static/releases/latest | grep "tag_name" | awk '{print substr($2, 2, length($2)-3) }')
RELEASE=$(echo $FULLRELEASE | cut -c 9-13)

if [[ ! -f /opt/${APP}_version.txt ]] || [[ "${RELEASE}" != "$(cat /opt/${APP}_version.txt)" ]]; then
  echo "Setting up qBittorrent-nox..."

  if [[ -f /etc/systemd/system/qbittorrent-nox.service ]]; then
    echo "Stopping Service..."
    systemctl stop qbittorrent-nox
    echo "Stopped Service"

    if [[ -f /usr/bin/qbittorrent-nox ]]; then
      echo "Updating Service..."
      sed -i 's@ExecStart=/usr/bin/qbittorrent-nox@ExecStart=/opt/qbittorrent/qbittorrent-nox@g' /etc/systemd/system/qbittorrent-nox.service
      systemctl daemon-reload
      echo "Updated and Reloaded Service"

      apt-get remove --purge -y qbittorrent-nox
    fi
  fi

  echo "Updating ${APP} to v${RELEASE}"
  mkdir -p /opt/qbittorrent
  rm -f /opt/qbittorrent/qbittorrent-nox
  curl -fsSL "https://github.com/userdocs/qbittorrent-nox-static/releases/download/${FULLRELEASE}/x86_64-qbittorrent-nox" -o /opt/qbittorrent/qbittorrent-nox
  chmod +x /opt/qbittorrent/qbittorrent-nox
  echo "${RELEASE}" >/opt/${APP}_version.txt
  echo "Updated $APP to v${RELEASE}"

  echo "Setup qBittorrent-nox"
else
  echo "No update required. ${APP} is already at v${RELEASE}"
  exit
fi

if [[ -f /etc/systemd/system/qbittorrent-nox.service ]]; then
  echo "Starting Service..."
  systemctl start qbittorrent-nox
  echo "Started Service"
else
  echo "Creating Service..."
  cat <<EOF >/etc/systemd/system/qbittorrent-nox.service
[Unit]
Description=qBittorrent client
After=network.target

[Service]
Type=simple
User=root
ExecStart=/opt/qbittorrent/qbittorrent-nox
Restart=always

[Install]
WantedBy=multi-user.target
EOF
  systemctl enable -q --now qbittorrent-nox
  echo "Created Service"
fi

echo "Cleaning up..."
apt-get -y autoremove
apt-get -y autoclean
echo "Cleaned"