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How to install qBittorrent with webui on Ubuntu?

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It is strongly advised that you change the username / password as soon as possible as it is a security risk to leave the default values. I recommend that this be one of the first things you do after you install qBittorrent. You can choose a new username / password from Options > Preferences window in the Web UI. The new parameters will be taken into account instantly, without restarting qBittorrent.

If you already have a server listening on port 8080, then start qBittorrent webui using the following command:

qbittorrent-nox --webui-port=XXXX

Where, XXXX is your desired unique and available port number. Even if you do not have anything running on port 8080 I still recommend that you run qBittorrent on a different random port for security reasons.

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Step 4: Autostart qBittorrent Webui

Starting qBittorrent from commandline is cumbersome. To autostart qBittorrent web interface during boot, create the file /etc/init.d/qbittorrent-nox-daemon and add the following contents (Credit: to it:

#! /bin/sh
# Provides:          qbittorrent-nox
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Starts QBittorrent
# Description:       Start qbittorrent-nox on start. Change USER= before running

# Author: Jesper Smith

# Do NOT "set -e"

# PATH should only include /usr/* if it runs after the script

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

# Load the VERBOSE setting and other rcS variables
. /lib/init/

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions

# Function that starts the daemon/service
	# Return
	#   0 if daemon has been started
	#   1 if daemon was already running
	#   2 if daemon could not be started
	start-stop-daemon -c $USER -b -t --start --quiet  --exec $DAEMON  \
                || return 1

	start-stop-daemon -c $USER -b --start --quiet --exec $DAEMON -- \
		|| return 2
	sleep 1

# Function that stops the daemon/service
	start-stop-daemon -c $USER --quiet  --stop --exec $DAEMON
	sleep 2
	return "$?"

case "$1" in
	[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
	case "$?" in
		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
	[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
	case "$?" in
		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
       status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
	log_daemon_msg "Restarting $DESC" "$NAME"
	case "$?" in
		case "$?" in
			0) log_end_msg 0 ;;
			1) log_end_msg 1 ;; # Old process is still running
			*) log_end_msg 1 ;; # Failed to start
	  	# Failed to stop
		log_end_msg 1
	#echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
	echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
	exit 3

If you prefer to download the above code, you may do so you using the download button below:

Change USER=MyUserName to the name of the user whom you want to run qBittorrent daemon as. Also, change DAEMON_ARGS="--webui-port=XXXX" to the port number to which you want qBittorrent to listen. Save and exit. Set correct permissions for the file:

sudo chmod 755 /etc/init.d/qbittorrent-nox-daemon

Then, update the startup scripts using the following command:

sudo update-rc.d qbittorrent-nox-daemon defaults

From your next reboot, qBittorrent webui should start automatically. You can also manually start, stop, and restart qBittorrent-nox using the following commands:

sudo service qbittorrent-nox-daemon start
sudo service qbittorrent-nox-daemon stop
sudo service qbittorrent-nox-daemon restart

For convenience, you could create bash aliases as described in this post. For example, qbitstart could execute sudo service qbittorrent-nox-daemon start. To do so, add the following bash aliases to your /home/user/.bash_aliases:

alias qbitstop='sudo service qbittorrent-nox-daemon stop'
alias qbitstart='sudo service qbittorrent-nox-daemon start'
alias qbitrestart='sudo service qbittorrent-nox-daemon reload'

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  1. AtariBaby says

    I got error messages trying to access the PPA. Wondering if it’s down or defunct. I got the app from application manager instead, and used the preferences in the gui version to activate the web ui version.

    Question: in the init.d script, there is a line that reads “SCRIPTNAME=/etc/init.d/qbittorrent”. You have us naming the file “qbittorrent-nox-daemon”. Is this intentional, or should the filename in “SCRIPTNAME” be the same?

    I would also recommend that in your example for changing share ratio, make the ratio 2.5. Newbies might implement the change without realizing that 0.5 is not good sharing. :p

  2. AtariBaby says

    Follwing the SSL part, on the last command, I got this an error. I paste here but removed the long digits at the beginning just in case it is supposed to be private:
    Error opening Private Key qbittorrent-key
    xxxxxxxxxxxxxxxxx:error:02001002:system library:fopen:No such file or directory:bss_file.c:398:fopen(‘qbittorrent-key’,’r’)
    xxxxxxxxxxxxxxxxx:error:20074002:BIO routines:FILE_CTRL:system lib:bss_file.c:400:
    unable to load Private Key

    • says

      Please make sure you have SSL installed on your system first. Then copy the Private Key (not the public key) in its entirety. The best would be rename the private key instead of copying and pasting contents to another file. Any changes in line breaks or spaces can cause errors. Let me know how it goes.

  3. Stubro says

    Can anyone help me I get the following error when trying to start the service?
    /etc/init.d/qbittorrent-nox-daemon: 50: /etc/init.d/qbittorrent-nox-daemon: Syntax error: “||” unexpected

    • says

      Stubro, there is some syntax error in your /etc/init.d/qbittorrent-nox-daemon file. Are you sure you did not make any mistakes while following Step 4? Make sure the following section of the file is correctly configured without any missing quotes or special characters:

      # PATH should only include /usr/* if it runs after the script

  4. says

    Works like a charm!
    The bad thing is that version 2.9.8 doesn’t have working WebUI for Firefox. It was fixed in next update, but I qbittorrent is not in Raspbian repositories, so I will need to install it myself.

  5. Tim says

    Starting qbittorrent-nox-daemon (via systemctl): qbittorrent-nox-daemon.serviceWarning: Unit file of created job changed on disk, 'systemctl --system daemon-reload' recommended.
    Job failed. See system journal and 'systemctl status' for details.

    Oct 06 15:15:04 beaglebone sudo[16563]: root : TTY=pts/2 ; PWD=/etc/init.d ; USER=root ; COMMAND=/usr/sbin/service qbittorrent-nox-daemon start
    Oct 06 15:15:04 beaglebone sudo[16563]: pam_unix(sudo:session): session opened for user root by root(uid=0)
    Oct 06 15:15:04 beaglebone systemd[1]: qbittorrent-nox-daemon.service: control process exited, code=exited status=1
    Oct 06 15:15:04 beaglebone systemd[1]: Unit qbittorrent-nox-daemon.service entered failed state.
    Oct 06 15:15:04 beaglebone sudo[16563]: pam_unix(sudo:session): session closed for user root

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