[Bug 1357093] Re: Kernels not autoremoving, causing out of space error on LVM or Encrypted installation or on any installation, when /boot partition gets full

[Jarno Suni]

Jackalux, oh I see you have found the popular one-liner script for
kernel removing. It is too complicated for what it does and too simple
for what it should possibly do.

I have written a script to ease kernel removal:
https://www.bountysource.com/issues/38300038-feature-request-the-command-should-work-like-this
You (and other complainers) could post a small bounty to fund the work. Alternatively I think we could form an association to fund the work and other stuff that novice Ubuntu users may need provided it could attract enough paying members.

Andreas Lindhé, you have a point. I don't know who decides it, but I
suppose the fix to the bug could be backported or SRUed to even older
LTS releases. But it seems that the fix does not work even in 16.04 (Bug
#1675079); that applies only to the new Unattended-Upgrade::Remove-New-
Unused-Dependencies setting in unattended-upgrades, though, so if
setting Unattended-Upgrade::Remove-Unused-Dependencies "true" suits to
you, there is a fix available. Alternatively, e.g. my script could be
run from a cron job or (in 16.04 or later) from a systemv timer to
handle automatic kernel removal.

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https://bugs.launchpad.net/bugs/1357093

Title:
  Kernels not autoremoving, causing out of space error on LVM or
  Encrypted installation or on any installation, when /boot partition
  gets full

Status in unattended-upgrades:
  New
Status in unattended-upgrades package in Ubuntu:
  Fix Released

Bug description:
  Currently if one chooses to use LVM or encrypted install, a /boot
  partition is created of 236Mb

  Once kernel updates start being released this partition soon fills
  until people are left unable to upgrade.

  While you and I might know that we need to watch partition space, many
  of the people we have installing think that a windows disk is a disk
  and not a partition, education is probably the key - but in the
  meantime support venues keep needing to deal with the fact the
  partition is too small and/or old kernels are not purged as new ones
  install.

  For workaround and sytem repair, see
  https://help.ubuntu.com/community/Lubuntu/Documentation/RemoveOldKernels

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