Re: x2x or other program

On 1/3/07, Marius Gedminas <marius@xxxxxx> wrote:
On Wed, Jan 03, 2007 at 10:40:18AM -0900, James R. Jones wrote:
I just installed ubuntu on a pc, and looking to use it to do X windows
between this system and a red-hat server. My question is what is the
most popular way of doing this. Should I use x2x, VNC, or are there
other programs that are better for the redhat server and ubuntu
workstation.

Well, what you you mean when you say you want to use it "to do X
windows"?

It's the X Window System (with no ending "s")...

Do you want to launch applications on the server and have them open
windows on your PC? Then use SSH X forwarding (ssh -X server app).

This is how I sporadically run applications on remote systems, but the
performance is worse than using VNC and even more worse than using
NX/FreeNX. Thus, I would only recommend using SSH X11 forwarding for
running a single X11 client over a broadband, fast connection for a
short period of time.

Do you want to use a single mouse and keyboard to control two machines,
both of them running X on separate monitors, situated side by side?
Then use x2x.

I tend to prefer Synergy since it's cross platform (it supports Mac OS
X, Windows, Linux and maybe others). However, since Synergy is also
insecure, I always tunnel it over a SSH connection.

Do you want to connect to a remote desktop over the network, control it,
and be able to disconnect without stopping the running applications
there? Then use VNC.

VNC is painfully slow and insecure (unless encapsulated inside a SSH
tunnel). NX/FreeNX offers the same kind of functionality and it
performs far better on any kind of connection. Since NX/FreeNX works
over SSH and uses differential, smart X11 protocol compression, it's
more secure and performs much better, even on 64Kbps ISDN links. If
the remote system is a Windows machine, I would rather use RDP/ICA
since NX/FreeNX is only supported currently on Linux and Solaris
(AFAIK).

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