[Bug 1518130] Re: libpng is installed by default

[Jeremy Bícha]

You can uninstall plymouth-theme-ubuntu-text if you want. It is only a
Recommends.

I have retitled this bug since we're not going to stop packages from
being built with PNG support; however,  maybe we can evaluate whether we
need to have a Plymouth theme in ubuntu-standard.

** Summary changed:

- libpng is installed by default
+ Remove plymouth-theme-ubuntu-text from ubuntu-standard?

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https://bugs.launchpad.net/bugs/1518130

Title:
  Remove plymouth-theme-ubuntu-text from ubuntu-standard?

Status in ubuntu-meta package in Ubuntu:
  New

Bug description:
  Ubuntu server cloud images include libpng by default. This is
  unnecessary and poor practice. It wastes space and poses a security
  risk.

  Looks like it is installed because "ubuntu-standard" recommends
  "plymouth-theme-ubuntu-text" which depends on "libplymouth2" which
  depends on "libpng12-0".

  The description for "plymouth-theme-ubuntu-text" is "graphical boot
  animation and logger - ubuntu-logo theme". This is obviously
  inappropriate for any server image, and especially for a cloud-based
  server image.

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