is there an easy FOSS way to get a screenshot of a curses-based command line GUI when X isn't installed?
What if the powers-that-be say I can't remote login? (I'm working on it ha)
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scrot is a cli based screenshot tool which i've used before. Its a little quirky (it'll take a screenshot of the system i'm sshed in from) but might be ideal for your needs
In addition to what Joe mentioned you can also use a virtual machine to get screen shots of things that you can't do any other way such as the installer.
If getting the output of a session including all commands and output command as text would be better then have a look at the
script command. And in some situations something like
pastebinit may be appropriate.
Although I'm not sure how script deals with a curses based app.