[lxc-users] How to cancel lxc-autostart

[CDR]

Correct. It is a "cancel fire bullet". I want to ask the developers to
create a new command that would do this.

On Fri, Aug 8, 2014 at 5:48 PM, Tom Weber <l_lxc-users at mail2news.4t2.com> wrote:
> define a runlevel where the containers are not started or boot in single
> user mode and modify the start script.
>
> that cancel mechanism you ask for is like a 'cancel fired bullet' button
> for a gun.
>
>   Tom
>
> Am Freitag, den 08.08.2014, 16:50 -0400 schrieb CDR:
>> After I reboot, the LXC service will start automatically all the
>> containers marked for auto-start. I have not found a way to stop that
>> mechanism if I absolutely need that the containers to not start.
>> Suppose I need to umount the partition to issue an "fsck", etc. How do
>> I preempt the automatic behavior?
>> It is something like the Iron Dome. Hundreds of containers are on the
>> air and will be started, how do you override this behavior?
>>
>> On Fri, Aug 8, 2014 at 4:22 PM, Łukasz Górski <l.gorski at lokis.info> wrote:
>> > Could you perhaps clarify when exactly do you want this command to be
>> > invoked? Before the reboot or after? If after, perhaps I am mistaken, but it
>> > doesn't seem to make any sense whatsoever. I suppose you'd need to run it in
>> > a specific timeframe before the containers are started - how much time it
>> > takes from the moment you get a working shell after the reboot to the point
>> > when container booting process starts? If you want to run it before the
>> > reboot, then I guess some shell scripting most likely would do to disable
>> > autostart and the re-enable it back again after reboot.
>> >
>> > Pozdrawiam
>> > Łukasz Górski
>> > Biuro Obsługi Klienta LOKIS
>> > www.lokis.info
>> >
>> > ---
>> > Informujemy, że realizujemy projekt „Modernizacja serwerów wewnętrznych i
>> > serwera głównego wraz z konfiguracją”.
>> > Nr wniosku o dofinansowanie: WND-RPPM – 01. – 01.-00 - 363 /08. Projekt jest
>> > realizowany przy współudziale środków z EFRR oraz budżetu państwa.
>> > Więcej informacji o wniosku i konkursach na stronach www.arp.gda.pl
>> >
>> >
>> >
>> > 2014-08-08 21:21 GMT+02:00 CDR <venefax at gmail.com>:
>> >>
>> >> Suppose you manage a box with 300 containers, all on autostart=1. One day
>> >> you reboot the box but you need to avoid all the contaoners to start. There
>> >> should be a command like
>> >> lxc-cancel-autostart.
>> >> Does it make sense?
>> >>
>> >>
>> >> On Friday, August 8, 2014, Harald Dunkel <harald.dunkel at aixigo.de> wrote:
>> >>>
>> >>> I am not familiar with Ubuntu's setup, but assuming it supports
>> >>> sysv-init I would suggest to omit lxc in a dedicated run level.
>> >>>
>> >>> If your default run level is 2 (specified in /etc/inittab), then
>> >>> you could use update-rc.d to omit lxc in run level 3, e.g.
>> >>>
>> >>>         # update-rc.d lxc start 20 2 4 5 . stop 20 0 1 3 6 .
>> >>>
>> >>> This means lxc is started in run levels 2, 4 and 5, and
>> >>> stopped in 0, 1, 3 and 6.
>> >>>
>> >>> If you need to boot without starting the containers, then you
>> >>> can choose run level 3 on the kernel command line at boot time,
>> >>> e.g.
>> >>>         linux /boot/vmlinuz root= ... quiet 3
>> >>>
>> >>> grub2 allows you to modify the kernel command line before booting.
>> >>> Using telinit you can change the run level at run time, e.g.
>> >>> 'telinit 2' to switch to run level 2 (to start your containers).
>> >>>
>> >>>
>> >>> Hope this helps
>> >>> Harri
>> >>>
>> >>> _____________________________________________he__
>> >>>
>> >>> lxc-users mailing list
>> >>> lxc-users at lists.linuxcontainers.org
>> >>> http://lists.linuxcontainers.org/listinfo/lxc-users
>> >>
>> >>
>> >> _______________________________________________
>> >>
>> >> lxc-users mailing list
>> >> lxc-users at lists.linuxcontainers.org
>> >> http://lists.linuxcontainers.org/listinfo/lxc-users
>> >
>> >
>> >
>> > _______________________________________________
>> > lxc-users mailing list
>> > lxc-users at lists.linuxcontainers.org
>> > http://lists.linuxcontainers.org/listinfo/lxc-users
>> _______________________________________________
>> lxc-users mailing list
>> lxc-users at lists.linuxcontainers.org
>> http://lists.linuxcontainers.org/listinfo/lxc-users
>
>
> _______________________________________________
> lxc-users mailing list
> lxc-users at lists.linuxcontainers.org
> http://lists.linuxcontainers.org/listinfo/lxc-users