[SAC] [OSGeo] #2858: Fix ability to setup old containers like centos 7 on Ubuntu 22.04 hosts

[OSGeo]

#2858: Fix ability to setup old containers like centos 7 on Ubuntu 22.04 hosts
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 Reporter:  robe           |       Owner:  sac@…
     Type:  task           |      Status:  new
 Priority:  normal         |   Milestone:  Sysadmin Contract 2022-II
Component:  Systems Admin  |  Resolution:
 Keywords:                 |
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Comment (by robe):

 Asked on that discussion https://discuss.linuxcontainers.org/t/2nd-system-
 upgraded-from-ubuntu-20-04-w-working-lxd-to-ubuntu-22-04-lxd-again-not-
 working/14009/30 and was told this, which did the trick on osgeo4.


 {{{
 Edit /etc/default/grub and ensure that GRUB_CMDLINE_LINUX contains
 systemd.unified_cgroup_hierarchy=false:

 E.g.

 GRUB_CMDLINE_LINUX="systemd.unified_cgroup_hierarchy=false"

 Then run:

 sudo update-grub

 }}}

 After rebooting I was able to do:


 {{{
 lxc launch images:centos/7 centtie
 }}}


 I'll do the same on the other upgraded servers later tonight since it
 requires a server reboot.
-- 
Ticket URL: <https://trac.osgeo.org/osgeo/ticket/2858#comment:1>
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