I have an autoinstall on a custom 20.04 ISO I'm building using Cubic. Subiquity is the Curtin log below and providing a path but I can't work out how to break into a shell. This happened after cloud-init
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Daniel T
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Alex Turner
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2 Answers
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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

Andrew Lowther
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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.

user535733
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1Neither CTRL + Z or F2 seemed to work. This is not the installer rather the subiquity service – Alex Turner Jul 01 '20 at 23:03