Hello, I still reproduce thus bug with last nagios2-common package: # apt-cache policy nagios2-common nagios2-common: Installé : 2.9-1 Candidat : 2.9-1 Table de version : *** 2.9-1 0 500 http://debian.mirror.inra.fr sid/main Packages 100 /var/lib/dpkg/status Yann