Ubuntu: Add beta 22.04 instructions

This is the 20.04 version with the following changes:
  - s/focal/jammy/
  - Drop the Errata section
  - The history symlink exists by default, so there is no need to
    create it.
  - Add a note about being beta instructions.

Signed-off-by: Richard Laager <rlaager@wiktel.com>
This commit is contained in:
Richard Laager
2022-03-10 22:33:59 -06:00
parent 8237016850
commit 0dddb09283

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