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  • Thanks. However, the error is not coming from sudo it is coming from x11vnc -storepassword. I've been trying various expect approaches and I can't seem to get it right. An example using expect to enter a password for x11vnc -storepassword would be greatly appreciated. I'll update my question to avoid further confusion. Commented Jul 11, 2013 at 23:25
  • @MountainX Right, sorry, I'd misread the question. Here's an expect script (completely untested). Commented Jul 11, 2013 at 23:45
  • Thank you. Your untested script gave me a few additional clues, but ultimately it also does not run without errors. The error is simply Enter VNC password: usage: send [args] string on the line expect "password:" {send "swordfish" "\r"}. I'm not sure how to fix that. Expect seems to be a very picky tool because I've been fooling with this particular problem for hours without working results yet. Commented Jul 12, 2013 at 0:56
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    BTW, the same commands used in your expect solution work when entered manually. They do not work in this expect script or any variation of it that I have tried so far. Commented Jul 12, 2013 at 1:07
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    @CharlieParker Ask this as a question. (And I personally wouldn't know, I'm not familiar with this reauth command (is that a standard thing of AFS? If not you'll need to explain where it's from).) Commented Nov 25, 2022 at 19:50