On Thu, 13.09.12 00:25, Kay Sievers (k...@vrfy.org) wrote: > > On Wed, Sep 12, 2012 at 11:54 PM, Lennart Poettering > <lenn...@poettering.net> wrote: > > On Wed, 12.09.12 11:51, Daniel P. Berrange (berra...@redhat.com) wrote: > > >> NB when libvirt starts an LXC container, it first checks to see whether > >> the kernel has the container aware reboot() support. If it does not, > >> then it removes CAP_SYS_REBOOT from the container, to prevent any > >> accidental whole system reboot. The sf.net LXC tools do the same thing. > > > > How do you check that? A version check or can you actually detect this > > feature explicitly? > > "Returning EINVAL is also an easy way to check if this feature is supported > by the kernel when invoking another 'reboot' option like CAD." > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=cf3f89214ef6a33fad60856bc5ffd7bb2fc4709b
But that's from inside the container. But LXC would need that from outside the container? Lennart -- Lennart Poettering - Red Hat, Inc. _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
