On Sat, May 25, 2019 at 02:02:59PM -0400, Saint Michael wrote:
> Thanks to all. I am sorry I touched a heated point. For me using
> hard-virtualization for Linux apps is dementia. It should be kept only for
> Windows VMs.
> For me, the single point of using LXC is to be able to redeploy a complex
> app from host to host in a few minutes. I use one-host->one-Container. So
> what is the issue of giving all power to the containers?
> 
> On Sat, May 25, 2019 at 1:56 PM jjs - mainphrame <j...@mainphrame.com> wrote:
> 
> > Given the developers stance, perhaps a temporary workaround is in order,
> > e.g. ssh-key root login to physical host e.g. "ssh <host> sysctl
> > key=value..."
> >
> > Jake
> >
> > On Mon, May 20, 2019 at 9:25 AM Saint Michael <vene...@gmail.com> wrote:
> >
> >> I am trying to use sysctl -p inside an LXC container and it says
> >> read only file system
> >> how do I give my container all possible rights?
> >> Right now I have
> >>
> >> lxc.mount.auto = cgroup:mixed
> >> lxc.tty.max = 10
> >> lxc.pty.max = 1024
> >> lxc.cgroup.devices.allow = c 1:3 rwm
> >> lxc.cgroup.devices.allow = c 1:5 rwm
> >> lxc.cgroup.devices.allow = c 5:1 rwm
> >> lxc.cgroup.devices.allow = c 5:0 rwm
> >> lxc.cgroup.devices.allow = c 4:0 rwm
> >> lxc.cgroup.devices.allow = c 4:1 rwm
> >> lxc.cgroup.devices.allow = c 1:9 rwm
> >> lxc.cgroup.devices.allow = c 1:8 rwm
> >> lxc.cgroup.devices.allow = c 136:* rwm
> >> lxc.cgroup.devices.allow = c 5:2 rwm
> >> lxc.cgroup.devices.allow = c 254:0 rwm
> >> lxc.cgroup.devices.allow = c 10:137 rwm # loop-control
> >> lxc.cgroup.devices.allow = b 7:* rwm    # loop*
> >> lxc.cgroup.devices.allow = c 10:229 rwm #fuse
> >> lxc.cgroup.devices.allow = c 10:200 rwm #docker
> >> #lxc.cgroup.memory.limit_in_bytes = 92536870910
> >> lxc.apparmor.profile= unconfined
> >> lxc.cgroup.devices.allow= a
> >> lxc.cap.drop=
> >> lxc.cgroup.devices.deny=
> >> #lxc.mount.auto= proc:rw sys:ro cgroup:ro
> >> lxc.autodev= 1

Set:

lxc.mount.auto=
lxc.mount.auto=proc:rw sys:rw cgroup:rw
lxc.apparmor.profile=unconfined


This for a privileged container should allow all writes through /proc and /sys.
As some pointed out, not usually a good idea for a container, but given
it's the only thing on your system, that may be fine.

-- 
Stéphane Graber
Ubuntu developer
http://www.ubuntu.com

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