On Tuesday 26 September 2006 03:50, Wolfgang Liebich <[EMAIL PROTECTED]> wrote about '[gentoo-user] Question about the dcop utility: How to use it from a remote computeR?': > I'm logged in on my new computer, Machine N. I have setup ssh to connect > by DSA key to my old computer, Machine O. Now i want to use the dcop > program on O to give me a list of all open konqueror sessions on O. At > first I just want to do something like: > <new machine>:ssh <old machine> '/usr/kde/3.5/bin/dcop' > But I always get "ERROR: Couldn't attach to a DCOP server'"
I've never used DCOP, but I figured this was probably related to environment variables, so I did an strace on a simple dcop invocation to try and figure out why it can't find the (presumably) running dcop server on "O". On my system communication with the local DCOP server is via ~/.DCOPserver_<hostname>__0, and I'm fairly sure the _0 at the end corresponds to part of my DISPLAY setting, ":0", indicating a local X server. You may need to set your DISPLAY environment variable on "O" before you do the dcop invocation. Assuming "O" is a standard desktop machine and you are the only one logged on to it, you should be able to do something like: ssh O env DISPLAY=:0.0 dcop to get the standard dcop output. The only sure-fire way to determine the correct DISPLAY setting is to pull it from the X session you want to connect to. E.g.: $ env | grep ^DISPLAY DISPLAY=:0.0 -- "If there's one thing we've established over the years, it's that the vast majority of our users don't have the slightest clue what's best for them in terms of package stability." -- Gentoo Developer Ciaran McCreesh
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