[Bug 1892369] Re: Impossible to skip integrity test for ubuntu-server 20.04.1 iso

[Dimitri John Ledkov]

separately remote iso mounting may be slow, thus you should try
netbooting instead.

one can copy the kernel & initrd out of the iso. Boot them, with cmdline:
 ip=dhcp url=http://hostname/url/to/matching-full.iso

That way, initrd will establish networking and will download iso into
ram, validate it very quickly, and boot.

This usually yields faster install times. If your target machine has
enough RAM, something like more than 4GB.

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https://bugs.launchpad.net/bugs/1892369

Title:
  Impossible to skip integrity test for ubuntu-server 20.04.1 iso

Status in subiquity:
  New
Status in casper package in Ubuntu:
  New
Status in ubiquity package in Ubuntu:
  Invalid

Bug description:
  It is not possible to skip the integrity test with the iso available
  at http://www.releases.ubuntu.com/20.04/ubuntu-20.04.1-live-server-
  amd64.iso .

  Bellow is a screenshot of me hitting CTRL+C to try to cancel it, without success:
  https://ibb.co/vwvtXmn

  Checking integrity can be extremely slow when mounting an image via
  virtual CD tools from Dell idrac. I didn't measure it precisely but it
  takes more than 30 minutes.

  Since the image is on a remote location and was already checked, this
  is completely useless.

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