ssh -X shop problem...

Gene Heskett gene.heskett at verizon.net
Mon Nov 27 04:32:58 UTC 2006


On Sunday 26 November 2006 23:08, Craig White wrote:
>On Sun, 2006-11-26 at 23:02 -0500, Gene Heskett wrote:
>> Greetings;
>>
>> Tonight I thought I'd play with emc2 a bit, but since updateing this
>> machine to FC6, somethings gone fubar in the X11 forwarding.  Here is
>> whats been executed to get to the failure:
>>
>> ---------
>> [root at coyote amanda]# xhost +192.168.71.4
>> 192.168.71.4 being added to access control list
>> [root at coyote amanda]# su gene
>> [gene at coyote amanda]$ ssh -X shop
>> gene at shop's password:
>> Warning: No xauth data; using fake authentication data for X11
>> forwarding. Linux shop 2.6.15-magma #1 Fri Jun 9 20:51:19 EEST 2006
>> i686 GNU/Linux Welcome to the Shop @ the Coyote's Den
>>
>> Last login: Sun Nov 26 22:52:45 2006 from coyote.coyote.den
>> gene at shop:~$ cd emc2.head/
>> gene at shop:~/emc2.head$ scripts/emc
>> EMC2 - pre-2.1 CVS HEAD
>> Xlib: connection to "localhost:10.0" refused by server
>> Xlib: Invalid MIT-MAGIC-COOKIE-1 key
>> Application initialization failed: couldn't connect to
>> display "localhost:10.0"
>> ------------
>>
>> Obviously I can't do this xhost thingy as a common user:
>> ----------
>> [gene at coyote amanda]$ xhost +192.168.71.4
>> Xlib: connection to ":0.0" refused by server
>> Xlib: No protocol specified
>>
>> xhost:  unable to open display ":0"
>> -----------
>> X was started by root, as usual.
>>
>> Where did I mess up?  Where is this access control list being
>> maintained and is it editable by mortals?  Or where is this magic
>> cookie key?, and how do I refresh it to valid status?
>>
>> This exact procedure worked just fine when I was running FC2 (with
>> xorg-6.8.1-901 hand built on this box.)
>
>----
>remote X-windows doesn't work when you do an 'su' unless before you do
>that, you have to authorize the local user to use x which just
>complicates things.

But the application isn't built nor intended to be run as root.

>don't do an su and you'll be able to use remote x-windows
>
>better yet...freenx rocks

Do I need it installed on both machines?

>Craig

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
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Copyright 2006 by Maurice Eugene Heskett, all rights reserved.




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