On Tue, Feb 20, 2018 at 12:06:45AM +0100, Andreas Enge wrote: > it looks like the glibc change when merging core-updates caused us to be > bitten by a bug that is known on NixOS: > https://github.com/NixOS/nixpkgs/issues/31762 > > When I type "ssh whatever" (literally, or replacing "whatever" by a real > server name), then the error message > No user exists for uid 1000 > is printed and the ssh command is not executed.
The issue is that glibc 2.26 deprecated the "compat" query type of the Name Service Switch. We discussed this previously in <https://bugs.gnu.org/30298>. One can adjust to the change by either using the nscd daemon  or editing /etc/nsswitch.conf and replacing instances of 'compat' with 'files'. On Debian Stretch, I found that `apt-get install nscd` was sufficient. I'm going to merge this report with #30298.  We already "strongly recommend" using nscd: https://www.gnu.org/software/guix/manual/html_node/Application-Setup.html#Name-Service-Switch-1
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