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

[Sebastian Kraus]

I agree. I understand the situation, why this integrity check came up
and is considered as helpful for users installing their OS with a broken
USB Stick. But in case of Non-MAAS datacenter operations (SMC IPMI for
me), this feature is an entire pain. Although connected to the ISO via
an 1 GBps connection, it takes 25 minutes to complete the integrity
check. After that, the entire setup is (almost) made within four
minutes. Until...  the unskippable "Installing security Updates"
happens, which can be cancelled, when its finished. Srsly, I would
highly appreciate any efforts to give one a chance to reliably skip
integrity check and security patches during a server installation.

Netboot is not an option for me, as in a datacenter with public IPv4/v6
assignments, I prefer manual IP assignments. Therefore, no DHCP is
available during setup.

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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:
  Incomplete
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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