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Alex Turner
Asked: 2020-07-02 05:43:55 +0800 CST

My Ubuntu 20.04 auto install is failing - how can I open a shell?

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I have an autoinstall on a custom 20.04 ISO I'm building using Cubic. Subiquity is writing a Curtin log and providing a path but I can't for the life of me work out how to break into a shell. This has happened after cloud-init has run.

pxe curtin subiquity

2 Answers

  1. Best Answer

    I hit the key combo Alt-F2 and get a shell. This works with both the legacy and live installers. Subiquity logs will be in /var/log/installer. The key combo Alt-F1 will take you back to the installer UI

    It looks like you hit the point where subiquity generates a config for curtin. Either subiquity is failing to generate the config or curtin is failing with the provided config

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  2. When using Subiquity Live Server installer (NOT the Desktop installer):

    • Look in the top orange bar for the [Help] menu. "Enter a shell" is an option there.
    • Or use CTRL+Z or F2

    When finished with the shell, the command exit will return you to the Subiquity installer.

    There's only one tty: You cannot run Subiquity and a shell on different ttys.

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