Public bug reported:
The Bionic lxd.preinst script has:
# Add each admin user to the lxd group - for systems installed
# before precise
for u in $(getent group admin | sed -e "s/^.*://" -e "s/,/ /g"); do
adduser "$u" lxd >/dev/null || true
done
however the "admin" group has no special meaning in Ubuntu >= 12.04, see
[1]. I installed a clean Bionic system from ISO and the group doesn't
even get created in the installed system. This means that the group is
arbitrary, and can also be a remote group.
I think the admin -> lxd auto-add code should be dropped from
lxd.preinst. See LP: #1942195 for a very similar issue affecting samba,
solved by dropping the auto-add code.
[1]
https://wiki.ubuntu.com/PrecisePangolin/ReleaseNotes/UbuntuDesktop#PrecisePangolin.2FReleaseNotes.2FCommonInfrastructure.Common_Infrastructure
** Affects: lxd (Ubuntu)
Importance: Undecided
Status: Fix Released
** Affects: lxd (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: lxd (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: lxd (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1950635
Title:
Users in group 'admin' get automatically added to group 'lxd'
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