[SAC] [OSGeo] #2269: Switch OSGeo 7 to use snap package for lxd which is now at 3.11

[OSGeo]

#2269: Switch OSGeo 7 to use snap package for lxd which is now at 3.11
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 Reporter:  robe           |       Owner:  sac@…
     Type:  task           |      Status:  new
 Priority:  normal         |   Milestone:  Sysadmin Contract 2019-I
Component:  Systems Admin  |  Resolution:
 Keywords:                 |
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Comment (by robe):

 I'm planning to do this today after I am done backing up the containers as
 images in case something should go wrong.

 Other features added since 3.0 - in 3.8 they add ability to for built-in
 scheduling of snapshots of containers
 https://discuss.linuxcontainers.org/t/lxd-3-8-has-been-released/3450

 and in 3.10 auto-setting an expiration date on the snapshots.
 https://discuss.linuxcontainers.org/t/lxd-3-10-has-been-released/4018


 So this feature will help with part of backup so we can restore an image
 to a good point in time and use bacula for backing up critical user files.

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Ticket URL: <https://trac.osgeo.org/osgeo/ticket/2269#comment:2>
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