The -x flag means that after you log into the remote server, you can run
X11 apps on the remote machine and have the display appear on your local
machine. X11 works by sending instructions to the X11 server on your
local machine. So when you run an X11 program locally, it's talking to a
server, an X11 server, on your local machine. The -x flag tells ssh to
forward those X11 instructions from the remote machine back to the X11
server on your local machine. Obviously, for this to work, you have to
have an X11 server running on your local machine. Those do exist for
Windows but I know nothing about them. The remote ssh server also has to
have X11 forwarding enabled.
On 03/31/2016 12:35 PM, Janina Sajka wrote:
I would observe my entire experience of SSH is as a terminal interface.
I am only academically aware there's also the 'ssh -x'
command--academically, because the -x doesn't provide an accessible gui.
If the browser's, web-based ssh accessed something that was actually
accessible, that would be ver big news indeed. But I don't see that on
the horizon, because we already have https for such things. So, the
notion remains academic, imo.
Janina
John G Heim writes:
Right but my point is that all that is is chrome acting as a ssh client.
It's an ssh client with the chrome user interface. Maybe pointing out that
it's not a meaningful distinction is not a meaningful point. I guess if it
looks like a web-based client, that's all that matters, right? But there is
no such thing as a web-based ssh client. That can't be.
On 03/31/2016 10:38 AM, Chris Brannon wrote:
John G Heim <jheim@xxxxxxxxxxxxx> writes:
How can an ssh client run in a browser? Maybe the ssh client can be
launched by the browser. But it has to establish a connection and talk
to the server via the ssh protocol on port 22. Ultimately, it's no
different than putty or secureCRT.
Well, the modern web browser is being treated as more of an application
platform than a document viewer these days, and you can run all sorts of
things in them, including ssh clients. This has been going on for years
with Chrome. They have something called ssh in a tab, which is an ssh
client running inside the browser. This is how you use ssh as
a client in ChromeOS, where Chrome is more-or-less the user interface
layer. I have no idea how accessible "ssh in a tab" is, but considering
just how much I dislike web browsers, I cannot imagine that I would
consider it a pleasant experience. Anyway, to each their own. I seem
to recall that "ssh in a tab" is implemented as a browser extension.
Some quick googling reveals something called FireSSH, which is an ssh
client written entirely in JavaScript, supporting both Mozilla Firefox
and Google Chrome.
The difference between this kind of thing and native applications
like Putty and SecureCRT is that the browser-based thing is
cross-platform.
-- Chris
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