Install using the default package version of Deluge (this means you won't get an up to date version, but it'll be updated automatically with your system)
## Install Deluge (GUI)
```
apt-get install deluge
```
## Install (headless/server)
```
apt-get install deluged deluge-web
```
## Deluge Launchpad PPA
Install using the Deluge Ubuntu Launchpad PPA which contains the latest releases of Deluge and libtorrent.