[CentOS] Failed to start new browser session: Error while launching browser on session null

On Mon, 28 Mar 2011, ken wrote:

> Like the error says, you need to specify the display.  I.e., on the
> remote machine you must set the environmental variable "DISPLAY"...
> something like
>
> (export DISPLAY=192.168.1.42:0.0 & firefox)
>
> Though this may work, this may well reveal another, different error, one
> having to do generally with permissions.  But we'll take them one at a time.

Do *not* follow this advice.  It's bad practice, insecure, and actually more
work than being secure, and more likely not to work.  Plenty of X servers are
configured to not listen on your network interface for example.

ssh -X / -Y is your friend, as others have suggested.

jh