What do the --frontend and --mode options for do-release-upgrade do?

Asked Feb 24 '21 at 13:02

Active Feb 24 '21 at 13:02

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From the do-release-upgrade manual:

       -m MODE, --mode=MODE
              Run in a special upgrade mode. Currently "desktop" for regular upgrades of
              a desktop system and "server" for server systems are supported.

That's fairly useless documentation. What do these modes mean? What is "special" about either of them? What is the default, and does it relate in any way to whether we're running Ubuntu Server or Ubuntu Desktop edition?

       -f FRONTEND, --frontend=FRONTEND
              Run the specified frontend

That's even less helpful. What's a frontend? What frontends are available, and how do they differ?

asked Feb 24 '21 at 13:02

Thomas

The link inside my answer also explains --mode – pLumo Feb 24 '21 at 13:09
Thank you. I somehow didn't find that question. – Thomas Feb 24 '21 at 13:18
No problem! I also found it only because I remembered having answered it just a few weeks ago and had it in my profile ;-) – pLumo Feb 24 '21 at 13:19
Wondered how often this --frontend option is used ... and why use gui through commands - or did I understand wrong the idea? – Manuel Jordan Jun 04 '22 at 22:34

What do the --frontend and --mode options for do-release-upgrade do?

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