Third Light Update Server

This update server is used by Third Light Enterprise Edition systems. It also provides a public mirror of the main Debian repository.

For usage information, please see below.

Public repository mirrors

The following repositories are available on this server:

Debian Third Light

About the Debian Mirror

This mirror includes the most common architectures from the Debian repository (i386, amd64 and source). It is regularly updated from a 'Push-Primary' status mirror.

For more information about Debian, please see the project home page at

To use this mirror, add the following to your /etc/apt/sources.list

deb buster main

About the Third Light repository

Third Light produces packages of various open source projects that are backports, updates or additions to the main Debian archive. These are published here as a courtesy to users, and without warranty of any kind.

To use this mirror, add the following to your /etc/apt/sources.list

deb buster main

This repository is signed using a Third Light key with the ID 800CD396, available in the ims-keyring package installable from the same repository. It can be imported with the following command (requires gnupg, wget, sudo packages to be installed):

wget -O- | sudo apt-key add


Third Light uses an internal certificate authority for non-public systems. Most users should not need to use or trust this, but it can be accessed below if needed:

If you need to exchange details securely with Third Light, such as for VPN configuration or when requesting configuration properties for a Remote Hands installation, please encrypt it with the GPG key id C801C60E, which can be retrieved from keyservers as below:

gpg --keyserver hkp:// --recv-keys C801C60E