How to use this Debian repository
You need to add to your /etc/apt/sources.list file one of these lines (according to your debian release) :
For a distribution in experimental jessie lenny lenny-backports lucid oneiric precise quantal raring saucy sid squeeze trusty utopic wheezy:
deb https://apt.rivendell-fr.org/ distribution main contrib
Repository key
The repository is signed with the Rivendell-FR Repository administrators key
(Key fingerprint = 5FEF 0370 AC04 E69D A963 B543 5604 7006 3747 B51C).
To use this key in your apt client :
wget -q -O - https://apt.rivendell-fr.org/release.asc | sudo apt-key add -