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1answer
1k views

unable to open X server

I am trying to generate a screenshot of a firefox window in my terminal, but I keep getting an error: root@host [~]# DISPLAY=:1 firefox http://www.cnn.com & sleep 5 && DISPLAY=:1 import ...
2
votes
0answers
128 views

GLX extension not working properly with xvfb

I have an Ubuntu 14.04 system with the following packages installed: libegl1-mesa:amd64 libegl1-mesa-drivers:amd64 libgl1-mesa-dri:amd64 libgl1-mesa-dri:i386 libgl1-mesa-glx:amd64 ...
2
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0answers
39 views

Is there difference between Xvfb option `-extension` and `+extension`?

I'm facing RANDR missing problem with Xvfb and firefox. Some people suggested Xvfb :1 -extension RANDR can solve the problem. But I found a also +extension option. In my environment(CentOS6.5), the ...
2
votes
0answers
157 views

Why does `xvfb-run glxgears` fail with an swrast error?

xvfb is supposed to let me run X programs in a headless environment. But when I run xvfb-run glxgears, I get: libGL error: failed to load driver: swrast libGL error: Try again with ...
1
vote
0answers
81 views

can I run xvfb on a console-only debian system

I am developing a console-only debian-based rescue cd loosly based on thfixed spelling.e live-system's rescue cd. One of the things I need for my livecd is to be able to run firefox for some testing, ...