1

I'm trying get screen capture through a SSH connection. In this SSH connection, I'm using the root user.

I found that after executing this command:

screencapture -t jpg -S /test.jpg

the jpg file I got is all black. If I do this in the normal way (not through SSH), then I can get the screen capture successfully.

What could be causing this?

5

There's a command line client for the OS X screen capturing? Gosh, didn't know that.

I wonder what the man page says…

SECURITY CONSIDERATIONS

To capture screen content while logged in via ssh, you must launch screencapture in the same mach bootstrap hierarchy as loginwindow:

PID=pid of loginwindow
sudo launchctl bsexec $PID screencapture [options]
  • Snarky, I like it :-) +1 – Nifle Feb 1 '10 at 14:04

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