[lxc-users] Installing nfs-kernel-server in lxc 2.0 xenial fails with "systemd[1]: Failed to reset devices.list on /system.slice/dev-lxc-tty4.mount: Operation not permitted"

[Mahesh Patade]

i thik so no.
On 27 Apr 2016 10:35 pm, "Dan Kegel" <dank at kegel.com> wrote:

> Isn't privileged mode on by default?
>
> On Wed, Apr 27, 2016 at 9:42 AM, Mahesh Patade <patademahesh at gmail.com>
> wrote:
> > enable privileged mode.
> >
> > Mahesh
> >
> > On 27 Apr 2016 9:51 pm, "Dan Kegel" <dank at kegel.com> wrote:
> >>
> >> Tycho's tip,
> >> "If you enable nesting in the container, that allows all mounts (for
> >> now) and it should work"
> >> helped here.
> >>
> >> I filed https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1575757 to
> >> suggest improving the doc to mention nfs.
> >>
> >>
> >> On Tue, Apr 26, 2016 at 12:21 PM, Dan Kegel <dank at kegel.com> wrote:
> >> > Trying to install a package that depends on having an nfs server ran
> >> > into trouble, so I tried a simple test case:
> >> >
> >> > $ sudo lxc-create -n nfstest -t download -- -d ubuntu -r xenial -a
> amd64
> >> > $ sudo lxc-start -n nfstest
> >> > $ sudo lxc-attach -n nfstest apt-get update
> >> > $ sudo lxc-attach -n nfstest apt-get install nfs-kernel-server
> >> > ...
> >> > Creating config file /etc/idmapd.conf with new version
> >> >
> >> > Creating config file /etc/default/nfs-common with new version
> >> > Adding system user `statd' (UID 106) ...
> >> > Adding new user `statd' (UID 106) with group `nogroup' ...
> >> > Not creating home directory `/var/lib/nfs'.
> >> > nfs-utils.service is a disabled or a static unit, not starting it.
> >> > Setting up nfs-kernel-server (1:1.2.8-9ubuntu12) ...
> >> > A dependency job for nfs-server.service failed. See 'journalctl -xe'
> >> > for details.
> >> > nfs-server.service couldn't start.
> >> >
> >> > Creating config file /etc/exports with new version
> >> >
> >> > Creating config file /etc/default/nfs-kernel-server with new version
> >> > A dependency job for nfs-server.service failed. See 'journalctl -xe'
> >> > for details.
> >> > invoke-rc.d: initscript nfs-kernel-server, action "start" failed.
> >> > dpkg: error processing package nfs-kernel-server (--configure):
> >> >  subprocess installed post-installation script returned error exit
> >> > status 1
> >> > Processing triggers for libc-bin (2.23-0ubuntu3) ...
> >> > Processing triggers for ureadahead (0.100.0-19) ...
> >> > Processing triggers for systemd (229-4ubuntu4) ...
> >> > Errors were encountered while processing:
> >> >  nfs-kernel-server
> >> > E: Sub-process /usr/bin/dpkg returned an error code (1)
> >> >
> >> > $ sudo lxc-attach -n nfstest -- journalctl -xe
> >> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> >> > /system.slice/dev-lxc-tty4.mount: Operation not permitted
> >> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> >> > /system.slice/cron.service: Operation not permitted
> >> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> >> > /system.slice/systemd-remount-fs.service: Operation not permitted
> >> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> >> > /system.slice/system-container\x2dgetty.slice: Operation not permitted
> >> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> >> > /system.slice/dev-lxc-tty2.mount: Operation not permitted
> >> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> >> > /system.slice/sys-fs-fuse-connections.mount: Operation not permitted
> >> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> >> > /system.slice/proc-sysrq\x2dtrigger.mount: Operation not permitted
> >> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> >> > /system.slice/dev-lxc-tty1.mount: Operation not permitted
> >> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> >> > /system.slice/dev-hugepages.mount: Operation not permitted
> >> > Apr 26 19:13:18 nfstest systemd[1]: run-rpc_pipefs.mount: Mount
> >> > process exited, code=exited status=32
> >> > Apr 26 19:13:18 nfstest systemd[1]: Failed to mount RPC Pipe File
> >> > System.
> >> > -- Subject: Unit run-rpc_pipefs.mount has failed
> >> > -- Defined-By: systemd
> >> > -- Support:
> http://lists.freedesktop.org/mailman/listinfo/systemd-devel
> >> > --
> >> > -- Unit run-rpc_pipefs.mount has failed.
> >> > --
> >> > -- The result is failed.
> >> > ...
> >> >
> >> > Halp!  :-)   I'm sure it's some cgroups magic, and the answer will be
> >> > "Of course, you need to run lxc-cgroup as follows..."
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> >
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