[Bug 291342] Re: free disk space check could actually carry out suggested ways to clear space

[Jarno Suni]

update-manager may display a different kind of error when going to install (kernel) updates i.e. new kernel(s): https://i.stack.imgur.com/DppOi.png
The actions suggested by the dialog (i.e. emptying trash and running 'sudo apt-get clean' do not help, if /boot is in a separate partition. 'sudo apt autoremove --purge' would be an option in 16.04 and later.

Related: Bug #1460396

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https://bugs.launchpad.net/bugs/291342

Title:
  free disk space check could actually carry out suggested ways to clear
  space

Status in update-manager package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: update-manager

  Starting the upgrade from hardy to intrepid I get an error dialog:

      Not enough free disk space

      The upgrade aborts now. The upgrade needs a total of 1260M free
  space on disk '/'. Please free at least an additional 308M of disk
  space on '/'. Empty your Deleted Items folder and remove temporary
  packages of former installations using 'sudo apt-get clean'.

      [ Close ]

  So I have to close the dialog, go to the Deleted Items folder and
  empty it, and then open a terminal and run "sudo apt-get clean".  Then
  restart update-manager and restart the upgrade.

  That's rather clunky - it would be more helpful if the dialog allowed
  me to directly perform these suggested ways to free up enough space,
  for example, something like:

      Not enough free disk space

      The upgrade needs a total of 1260M free space on disk '/'. Please
  free at least an additional 308M of disk space on '/'.

      You can free up some space in the following ways - check the boxes
  next to those you wish to do and click OK:

      [ ] Empty your Deleted Items folder.

      [ ] Remove temporary packages of former installations using 'sudo
  apt-get clean'.

      [OK]    [ Close ]

  If it's easy to do, the space each action would save could be given
  too.

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