Dear Pierre, This is my `sources.list`:
> ## Note, this file is written by cloud-init on first boot of an instance > ## modifications made here will not survive a re-bundle. > ## if you wish to make changes you can: > ## a.) add 'apt_preserve_sources_list: true' to /etc/cloud/cloud.cfg > ## or do the same in user-data > ## b.) add sources in /etc/apt/sources.list.d > ## c.) make changes to template file > /etc/cloud/templates/sources.list.debian.tmpl > ### > > # See > http://www.debian.org/releases/stable/i386/release-notes/ch-upgrading.html > # for how to upgrade to newer versions of the distribution. > deb http://deb.debian.org/debian stretch main contrib non-free > deb-src http://deb.debian.org/debian stretch main contrib non-free > > ## Major bug fix updates produced after the final release of the > ## distribution. > deb http://security.debian.org/ stretch/updates main contrib non-free > deb-src http://security.debian.org/ stretch/updates main contrib non-free > deb http://deb.debian.org/debian stretch-updates main contrib non-free > deb-src http://deb.debian.org/debian stretch-updates main contrib non-free > > ## Uncomment the following two lines to add software from the 'backports' > ## repository. > ## > ## N.B. software from this repository may not have been tested as > ## extensively as that contained in the main release, although it includes > ## newer versions of some applications which may provide useful features. > # deb http://deb.debian.org/debian stretch-backports main contrib non-free > # deb-src http://deb.debian.org/debian stretch-backports main contrib non-free Best > Am 13.02.2019 um 22:32 schrieb Pierre-Elliott Bécue <p...@debian.org>: > > Le mercredi 13 février 2019 à 18:07:39+0100, kenokenobingo a écrit : >> Package: mailman3-full >> Severity: normal >> >> Dear Maintainer, >> >> there are problems with the dependencies while trying to install >> `mailman3-full` via aptitutde. >> >> The following packages have unmet dependencies: >> mailman3-full : Depends: mailman3 but it is not going to be installed >> Depends: mailman3-web (>= 0+20180916-1) but it is not going >> to be installed >> Depends: python3-mailman-hyperkitty but it >> is not going to be installed >> E: Unable to correct problems, you have held >> broken packages. >> >> -- System Information: >> Debian Release: 9.7 >> APT prefers stable-updates >> APT policy: (500, 'stable-updates'), (500, 'stable') >> Architecture: amd64 (x86_64) >> >> Kernel: Linux 4.9.0-8-amd64 (SMP w/1 CPU core) >> Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), >> LANGUAGE=en_US.UTF-8 (charmap=UTF-8) >> Shell: /bin/sh linked to /bin/dash >> Init: systemd (via /run/systemd/system) > > Hi, > > I'll need a little more input regarding the available mirrors for your > system. My bet would be that your package manager doesn't try to fetch > all the dependencies from the backports when they fail to be resolved in > stretch. > > Best regards, > > -- > Pierre-Elliott Bécue > GPG: 9AE0 4D98 6400 E3B6 7528 F493 0D44 2664 1949 74E2 > It's far easier to fight for one's principles than to live up to them.
