On Sun, Mar 26, 2017 at 09:03:31AM +0000, Miltiades Vasiliades wrote: > I tried switching the mirrors through synaptic then synaptic as usual asked > to refresh however the refresh ended with the following errors > > W: http://repo.steampowered.com/steam/dists/precise/InRelease: The key(s) in > the keyring /etc/apt/trusted.gpg are ignored as the file is not readable by > user '_apt' executing apt-key. > W: > http://security.debian.org/…/dists/stretch/updates/InRelease<http://security.debian.org/debian-security/dists/stretch/updates/InRelease>: > The key(s) in the keyring /etc/apt/trusted.gpg are ignored as the file is > not readable by user '_apt' executing apt-key. > W: http://ftp.de.debian.org/debian/dists/stretch/InRelease: The key(s) in the > keyring /etc/apt/trusted.gpg are ignored as the file is not readable by user > '_apt' executing apt-key. > > > Any ideas how to resolve that issue?
Have noticed the exact same problem on a clients desktop too, after installing via the Stretch RC2 installer & subsequent upgrade via synaptic.