Samuel Thibault, on Wed 01 Jun 2016 23:40:16 +0200, wrote: > apt-get install --reinstall debian-archive-keyring > > didn't fix it. > > dpkg --force-depends -P debian-archive-keyring > dpkg -i /var/cache/apt/archives/debian-archive-keyring* > > did fix it. Ah, no, it's just that running apt-get update from /root has the issue, and running it from elsewhere doesn't have the issue (!?) Samuel