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Re: EShell tips on SSH?


From: Wenshan Ren
Subject: Re: EShell tips on SSH?
Date: Tue, 15 Jan 2013 15:12:15 -0800 (PST)
User-agent: G2/1.0

On Tuesday, January 15, 2013 6:38:48 PM UTC+11, Michael Albinus wrote:
> Wenshan Ren <address@hidden> writes:
> 
> 
> 
> > Hi,
> 
> 
> 
> Hi,
> 
> 
> 
> > I manage a few VMs via SSH. As an Emacs user, I'm considering to get
> 
> > everything done without leaving Emacs.
> 
> >
> 
> > So far I've met two problems:
> 
> >
> 
> > 1. ssh -A
> 
> >    ssh -A does agent forwarding, but I can't find the EShell
> 
> > equivalent by searching the Emacs Info.
> 
> >
> 
> >    How do you achieve the same effect of ssh -A in Emacs?
> 
> 
> 
> If you use the remote file name syntax, the underlying operations are
> 
> directed to Tramp. You could redefine Tramp's method definition in order
> 
> to add "-A" to the ssh call. See variable `tramp-methods'.
> 
> 
> 
> The better solution would be to add the following entry to your
> 
> ~/.ssh/config:
> 
> 
> 
> Host remotehost
> 
>       ForwardAgent    yes
> 
> 
> 
> > 2. cd /
> 
> >    After `cd /ssh:address@hidden', `cd /' will change directory to / of
> 
> > my local machine.
> 
> >    Is there any way to make EShell behave like a ordinary bash sshed
> 
> > to a remote machine?
> 
> 
> 
> Eshell is designed that file names used by "cd" work as everywhere else
> 
> in Emacs. The usual workaround "*cd /" to apply the corresponding
> 
> external command does not work, because "cd" is not related to an
> 
> executable file, but a shell built-in. What you ask for does not seem to
> 
> be possible in eshell yet. Maybe we should add a new eshell command
> 
> "chroot". Something like
> 
> 
> 
> chroot /ssh:address@hidden:/
> 
> 
> 
> Feel free to raise a change request towards Emacs/eshell via
> 
> `report-emacs-bug'.
> 
> 
> 
> > Thanks and regards,
> 
> > Wenshan
> 
> 
> 
> Best regards, Michael.

Thanks for your reply, it really makes sense to me and I will raise a change 
request.


- Wenshan


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