[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

[Henry]

Ok, I had to manually remove the files as they were added.. after that,
it worked as intended.

Funny thing is, all solutions provide here say that you need to enable
the removal of unused dependencies by setting this:

`Unattended-Upgrade::Remove-Unused-Dependencies "true"`

Problem is.. I already had this set in my `/etc/apt/apt.conf.d
/50unattended-upgrades`..

This is broken, design or not.. it IS a bug.. how can we fix this
permanently? I have servers running unattended upgrades that have
overflowing /boot partitions which is annoying AF.

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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 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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