xdpyinfo | grep RENDER question
Mark Knecht
mknecht at controlnet.com
Mon May 3 21:04:06 UTC 2004
Rick Stevens wrote:
>> Should we possibly update the ssh tunneling page we did to reflect
>> this change as of openssh-3.8?
>
>
> Absolutely! You don't even need to ask. Will you handle it or do you
> want me to?
Either way. It's probably only a line or two. I don't have access to the
server so you or someone else would have to add it, but I'd be happy to
write some text. In fact maybe just a note more or less like this:
NOTE: Since the release of openssh Ver 3.8 a standard ssh tunnel opened
with the command
ssh -X -C -c blowfish -l user target-address
no longer allows high speed rendering on the remote display. to enable
high speed rending on the remote display add the '-Y' option to your
command line and shown here:
ssh -X -Y -C -c blowfish -l user target-address
-Y tells the ssh program that the target-address is a trusted X11 source.
Use this option to eliminate the message:
Xlib: extension "RENDER" missing on display "localhost:10:0"
As an option there is an option (possibly undocumented at this time)
that allows you to place the line
ForwardX11Trusted yes
in your local /etc/ssh/ssh_config file to tell ssh that all X11 targets
are trusted. I don't recommend using it as the -Y option is very easy,
but it is there if you need it.
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