Preliminary Stable Builds

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A preliminary version of the next maintenance release - known as "preliminary stable builds" - is available for testing or routine use. Packages are only available for Debian / Devuan, Ubuntu and Raspbian.

The preliminary stable builds packages are hosted in a regular apt repository (alternative apt source), so you'll be able to get updates regularly

Installing Preliminary Stable Builds

To use the preliminary stable builds you need to add the following lines to your /etc/apt/sources.list.
Please replace all references to <your-distribution> with your lowercase appropriate version: e.g "wheezy" or "vivid".

# Trinity preliminary stable builds
deb <your-distribution> deps-r14 main-r14
deb-src <your-distribution> deps-r14 main-r14

Example for Ubuntu, 14.04 - Trusty:

# Trinity preliminary stable builds
deb trusty deps-r14 main-r14
deb-src trusty deps-r14 main-r14

Packages are signed using GPG key ID A04BE668. To install the GPG key you can use any public GPG keyserver, for example:

sudo apt-key adv --keyserver --recv-key A04BE668

Another option to install GPG key is to manually download and install package axis-archive-keyring. The advantage is that this method of installation is not dependent on the availability of the key server. Another advantage is that the key is not integrated into the global apt keyring, but is installed as a separate file:

dpkg -i axis-archive-keyring_2014.06.21.a_all.deb

Note: In new Debian Stretch installations the dirmngr package, which is necessary for gnupg, may be missing. To make the apt-key work properly, install the dirmngr package first.

Available distributions and architectures

The preliminary stable builds apt repository includes packages for various distributions and hardware architectures. The current list of distributions and architectures are as follows:



  • unstable - Sid : amd64, i386, armhf
  • 10.x - Buster : amd64, i386, armhf
  • 9.x - Stretch : amd64, i386,armhf, armel, arm64, mips, ppc64el
  • 8.x - Jessie : amd64, i386, armhf, armel, arm64, mips, powerpc, ppc64el
  • 7.x - Wheezy : amd64, i386, armhf, armel, mips, powerpc
  • 6.x - Squeeze : amd64, i386, armel


  • unstable - Ceres : Use Debian Sid.
  • 3.x - Beowulf : Use Debian Buster.
  • 2.x - Ascii : Use Debian Stretch.
  • 1.x - Jessie : Use Debian Jessie.


  • 9.x - Raspbian-Stretch : armhf
  • 8.x - Raspbian-Jessie : armhf
  • 7.x - Raspbian-Wheezy : armhf


  • 19.04 - Disco: amd64, i386
  • 18.10 - Cosmic: amd64, i386
  • 18.04 - Bionic: amd64, i386, armhf, ppc64el
  • 17.10 - Artful: amd64, i386
  • 16.04 - Xenial: amd64, i386, armhf, powerpc, ppc64el
  • 14.04 - Trusty : amd64, i386, armhf, powerpc, ppc64el
  • 12.04 - Precise : amd64, i386
  • 10.04 - Lucid : amd64, i386

Release Dates

The Release date for each distribution can be found in each distribution’s Release file. This is found by the pattern:<your-distribution>/Release

Note: <your-distribution> is all lowercase.

Example for Ubuntu, 14.04 - Trusty:


For any further question or problem, please refer to the TDE mailing lists or bug tracker.