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Re: gui emacs from terminal

From: Peter Dyballa
Subject: Re: gui emacs from terminal
Date: Fri, 16 Jul 2010 21:44:40 +0200

Am 16.07.2010 um 16:04 schrieb Cynthia Page:

I had a basic misunderstanding of the processes I needed to accomplish remote file editing. Originally I thought I was using the emacs that was installed on my machine, when I edited files on a server that I was ssh' ing to. Now I realize that when I ssh to a server, I am using a version of emacs that has been installed on that server. Also that I need X11 on my machine so that I can use xterm to run emacs application (from the server) in an xterm window and with
some menu driven support.

There are still some... I, for example, assumed you were trying to ssh to a Mac...

Can you locate the emacs binaries on the remote server? Is one of them an X client, i.e., is it using X11 libraries? In that case you can launch this emacs on the remote server and it will open an X11 window (an Emacs frame) on your local Mac with its X11 server running (in case firewalls allow this). When restrict Emacs inside a terminal emulation you really do not need X11 and X11 forwarding enabled in SSH protocol. You *can* connect via SSH from Apple's Terminal application and the remote Emacs will run inside it the same (actually a better) way as it does in Xterm. (It's better because of the well-integrated copy&paste support, it might be worse when Terminal supports only 16 colours – some Xterm versions support 128 or 256 colours.)

To make this work you should not use the -X option but -Y or set ForwardX11Trusted in your remote server's SSH config file. This will set the environment variable DISPLAY in your remote login shell (as -X also does) that X clients will know where the X server is and where their windows will open.

To make GNU Emacs, the X client, open an X window (or Emacs frame) on your local screen you could invoke:

        ssh -Yf address@hidden emacs

Emacsen also have the command manual-entry built in. Upon invocation they ask for a topic and then they create buffers for each of the topics (man pages) given. This way it's really easy to study the "UNIX manual." You can also follow hyper-links in them...



Increase the size of your bike by at least *five* inches!

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