Edit: Due to the fact that this article is old, the installation instructions may not work anymore. In order to successfully install the latest version of Deluge, please access the deluge tag and open the latest article (the one on top).

The latest installation instructions for Deluge
Hello Linux Geeksters. As you may know, Deluge is an open-source, multi-platform, multi-interface (GTK+, web and command-line) BitTorrent client based on libtorrent-rasterbar.
The Deluge daemon can run on headless machines with the user-interfaces being able to connect remotely.
The latest version available is Deluge 1.3.7, which has been recently released, coming with the below changes:
Core:
- Encryption level set by Deluge did not match libtorrent values
- Torrent state was not updated until after emitting TorrentFinishedEvent?
- Fix twisted 13.1 compatability
- Fix error if listen interface is whitespace
- Validate ip address for listen_interface entry
- Increase the Alertmanager interval to 0.3s
- Prevent private flagged torrents auto-merging trackers
GtkUI:
- Fix issue with Plugins that add Tab to torrentdetails
- Fix the scalable icon install directory
- Fix IPC lockfile issue preventing start of deluge-gtk
- Fix hiding Progress column generating TypeError?
- Add StartupWMClass to desktop file
- Fix the Ratio column not retaining position
- Fix bypassing the password dialog when showing/quitting
WebUI:
- Fix right-click selection issue
- Fix unicode password support
- Fix WebUI error when adding non-ascii torrent
In this article I will show you how to install Deluge 1.3.7 on Ubuntu 14.10 Utopic Unicorn, Ubuntu 14.04 Trusty Tahr, Ubuntu 12.04 Precise Pangolin, Linux Mint 17 Qiana, Linux Mint 13 Maya, Pinguy OS 14.04, Elementary OS 0.3 Freya, Elementary OS 0.2 Luna, Deepin 2014, Peppermint Five, LXLE 14.04, Linux Lite 2.0, Debian Jessie, Debian Sid and Debian Wheezy.
Follow the instructions for your system exactly, in order to get a successful installation.
How to install Deluge 1.3.7 on Ubuntu 14.10, Ubuntu 14.04, Ubuntu 12.04 and derivatives:
For Ubuntu 14.10, Ubuntu 14.04, Ubuntu 12.04 and derivative systems, Deluge 1.3.7 is available via PPA, so installing it is easy. All you have to do is add the ppa to your system, update the local repository index and install the deluge package. Like this:
$ sudo add-apt-repository ppa:deluge-team/ppa
$ sudo apt-get update
$ sudo apt-get install deluge
How to install Deluge 1.3.7 on Debian Jessie and Debian Sid:
Deluge 1.3.7 is available via the default repositories of Debian Jessie and Debian Sid, so all you have to do is update the local repository index and install the deluge package:
$ sudo apt-get update
$ sudo apt-get install deluge
How to install Deluge 1.3.7 on Debian Wheezy:
To install Deluge 1.3.7 on Debian Wheezy, we will use the Ubuntu 12.04 PPA. Like this:
$ sudo sh -c 'echo "deb http://ppa.launchpad.net/deluge-team/ppa/ubuntu precise main" >> /etc/apt/sources.list'
$ sudo sh -c 'echo "deb-src http://ppa.launchpad.net/deluge-team/ppa/ubuntu precise main" >> /etc/apt/sources.list'
$ apt-key adv --recv-keys --keyserver pgp.surfnet.nl 249AD24C
$ apt-get update
$ apt-get install -t precise deluge deluge-common deluged deluge-web deluge-console
Optional, to remove Deluge 1.3.7, from either Ubuntu, Debian or a derivative system, do:
$ sudo apt-get remove deluge*