For Ubuntu 12.04 and higher, OTB Applications packages may be available as Debian packages through APT repositories:
Since release 3.14.1, OTB Applications packages are available in the ubuntugis-unstable repository.
You can add it by using these command-lines:
After you can run:
If you are using Synaptic, you can add the repositories, update and install the packages through the graphical interface.
For further informations about Ubuntu packages go to ubuntugis-unstable launchpad page and click on Read about installing.
apt-add-repository will try to retrieve the GPG keys of the repositories to certify the origin of the packages. If you are behind a http proxy, this step won’t work and apt-add-repository will stall and eventually quit. You can temporarily ignore this error and proceed with the update step. Following this, aptitude update will issue a warning about a signature problem. This warning won’t prevent you from installing the packages.