On Wed, Feb 14, 2018 at 12:27 PM, Enrico Weigelt <lkml@xxxxxxxxx> wrote: > On 14.02.2018 11:24, Aleksa Sarai wrote: > >> What distribution are you using and which release? > > > On a self-compiled system. > > Forgot to enable namespaces in the kernel. Now it seems to work > as root, but not as an unprivileged user: > > > daemon@alphabox:~ unshare -r -U > unshare: can't open '/proc/self/setgroups': Permission denied > daemon@alphabox:~ unshare -f -r -U > unshare: can't open '/proc/self/setgroups': Permission denied > Please read http://man7.org/linux/man-pages/man7/user_namespaces.7.html setgroups is a corner case and needs special care. -- Thanks, //richard _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/containers