Thanks Pascal for your hints. Indeed I had to comment out the gluster repository which is forwarding HTTP to HTTPS, then re-run apt-cache update, install apt-transport-https and finally modify the gluster repository source to directly use HTTPS. That was an interesting case ;)
On Fri, Dec 30, 2016 at 4:43 PM, Pascal Hambourg <pas...@plouf.fr.eu.org> wrote: > Le 30/12/2016 à 16:25, John Naggets a écrit : >> >> I have now additional source in /etc/apt/sources.list.d/gluster.list >> which is the following: >> >> deb >> http://download.gluster.org/pub/gluster/glusterfs/3.7/3.7.16/Debian/jessie/apt >> jessie main > > > Although the URL is http, I checked that the site redirects http to https. > IMO you should directly use "https" to make it clear that this repository > requires the https transport. > >> And here would be the output of apt-cache policy: >> >> Package files: >> 100 /var/lib/dpkg/status >> release a=now >> 500 >> http://download.gluster.org/pub/gluster/glusterfs/3.7/3.7.16/Debian/jessie/apt/ >> jessie/main amd64 Packages >> origin download.gluster.org >> 500 http://ftp.ch.debian.org/debian/ jessie-updates/main Translation-en >> 500 http://ftp.ch.debian.org/debian/ jessie-updates/main amd64 Packages >> release o=Debian,a=stable-updates,n=jessie-updates,l=Debian,c=main >> origin ftp.ch.debian.org >> 500 http://security.debian.org/ jessie/updates/main Translation-en >> 500 http://security.debian.org/ jessie/updates/main amd64 Packages >> release v=8,o=Debian,a=stable,n=jessie,l=Debian-Security,c=main >> origin security.debian.org >> Pinned packages: > > > As I suspected, the jessie/main section on ftp.ch.debian.org is missing, > although the line is present is sources.list : > >>>> deb http://ftp.ch.debian.org/debian jessie main > > > Maybe try to add another mirror and run apt-get update ? > Or comment out the glusterfs repository and run apt-get update. >