SSH and X forwarding not working from my laptop

[Bill Davidsen]

Mikkel L. Ellertson wrote:
> Gary Stainburn wrote:
>> I'm sure I've reported this a while back but I can't find it in the archives.
>>
>> I'm having a problems connecting from my laptop to a number of my servers. 
>> It's not a solid fault, but it's fairly constant at the moment.
>>
>> I have a number of servers FC7 to FC10 that I connect to, as well as a number 
>> of FC10 workstations. These all work fine. However from my laptop I get the 
>> following when I connect:
>>
>> Warning: No xauth data; using fake authentication data for X11 forwarding.
>> tcsetattr: Interrupted system call
>> Last login: Wed Aug 26 11:13:21 2009 from gary.ringways.co.uk
>> [root at stan ~]#
>>
>> and then once I'm in the BASH command line editing doesn't work.
>>
>> Can anyone suggest where I can start looking into the problem.  I'm not too 
>> bad with ssh but have  no knowledge of xauth, konsole, BASH etc.
>>
>> Gary
> Dumb question - have you compared /etc/ssh/ssh.conf on your laptop
> to the same file on machines that do not give you trouble? It sounds
> like an xauth problem on the laptop...
> 
> # If this option is set to yes then remote X11 clients will have
> full access
> # to the original X11 display. As virtually no X11 client supports
> the untrusted
> # mode correctly we set this to yes.
>         ForwardX11Trusted yes
> #
> 
Two other things to consider, unlikely but easy to check:
1 - had the sshd.conf file been changed
2 - does X work properly at the console
and did you look at selinux alerts?

-- 
Bill Davidsen <davidsen at tmr.com>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot