You can use script and mkfifo to allow a second session to supervise the first using this very simple hack.
# on 1st terminal
mkfifo /tmp/session
script -f /tmp/session
# on 2nd terminal
cat /tmp/session
Now the 2nd terminal can interactively watch whatever is going on with the 1st terminal. Occasionally some control characters will get a little garbled when a lot of curses activity is going on, but in general, it works pretty well.
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3 comments:
Awesome, thanks! I used to do it with gnu/screen but this is easier to set up :)
Nice use of script. As above commenter mentioned, you can get similar functionality from screen with:
# terminal 1
$ screen
--------------
# terminal 2
$ screen -x
This also allows distributed pair programming, since both users can be RW on the screen session. For RO setup, your script trick is probably much easier.
Thanks!
Zachary, things get a little more complicated when terminal 2 is operated by another user logged in in the same machine.
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