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Re: need help scripting multiple xfree startups
- From: "Thomas Chadwick" <j_tetazoo at hotmail dot com>
- To: dforeman at stny dot rr dot com, cygwin-xfree at cygwin dot com
- Date: Mon, 22 Jul 2002 09:25:09 -0400
- Subject: Re: need help scripting multiple xfree startups
- Bcc:
From: "Dennis Foreman" <dforeman@stny.rr.com>
Reply-To: <dforeman@stny.rr.com>
To: <cygwin-xfree@cygwin.com>
Subject: need help scripting multiple xfree startups
Date: Sun, 21 Jul 2002 14:30:18 -0400
[snip]
I need to repeat this 8 more times for each of 8 different machines. Is
there some way of automating this? (Yes, I know a script will do it. I need
some detailed help on what to put in the script.) Especially eliminating
having to type a pw every time
There is plenty of information about this in the ssh man page. Here's a
quick recipe:
1) Open a Cygwin bash window and cd into ~/.ssh (if the directory doesn't
exist, create it).
2) Run "ssh-keygen -t rsa1". Accept the default filename of ~/.ssh/identity
and use a blank passphrase. PROTECT THIS FILE! Anyone who gets ahold of it
can use it as if they were you and gain access to systems without a password
or passphrase. Consider yourself warned!
3) FTP the resulting file named identity.pub onto each of the target systems
and put it in /tmp (DO NOT put it in ~/.ssh).
4) On each remote system, append the contents of the identity.pub file to
the file ~/.ssh/authorized_keys:
cat /tmp/identity.pub >> ~/.ssh/authorized_keys
5) At this point, you should be able to ssh to each remote system and get in
without being prompted for a password.
and clicking to establish the Xwindow on the
X desktop.
regards,
D. J. Foreman
website: http://WWW.CS.Binghamton.EDU/~foreman
I'd say you've already figured out most of this part. To automatically
launch an xterm and have it run a command on a remote machine, put the
following command in your favorite X startup script (e.g. startxwin.bat,
startxwin.sh, or .xinitrc) in the same section where you see other xterms
being launched (I've put backslashes to indicate that this should all be on
1 line):
ssh -X -l remote_username remote_hostname \
xterm -title "remote_username@remote_hostname" \
-e remote_command
If you're putting this in startxwin.bat, you may need to preceed it with
"run" or "start" (I don't know for sure, I don't use that script). If
you're putting it in startxwin.sh or .xinitrc, append an ampersand ("&") to
the end.
Want it to act on 8 other machines? Repeat the same command 8 more times
with a different value for remote_machine each time.
As for getting the xterm to place itself on your screen without having to
click: If you're using the default Window Manager twm, copy the file
/usr/X11R6/lib/X11/twm/system.twmrc to ~/.twmrc. Then edit ~/.twmrc and add
"RandomPlacement" on a line by itself towards the top of the file just after
the comments. If you're using some other window manager, then consult its
man page.
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