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1
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0answers
43 views

Problems while executing slimerjs on linux (Centos 6.5 32bit)

I'm not used to work with Linux yet I wanted to try to use slimerjs on a Linux vps in order to have access to php exec function since most hosting companies disable that function. I did manage to ...
1
vote
0answers
19 views

xvfb-run aborting on cluster

I'm trying to run a python script with xvfb-run on a cluster using SLURM; when I use an interactive session (srun) it works fine, but when submitting to a queue (sbatch) it aborts/fails without much ...
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0answers
15 views

Xvfb ignores bitdepth

I'm tryging to obtain screen captures form application that runs on Xvfb but all the captures came in 8bppx I run Xvfb like this as some other post stipulates. /bin/Xvfb :1 -screen 1 1600x1200x24+32 ...
0
votes
0answers
48 views

Xvfb memory leak running VTK visualization offscreen

I'm running a Python VTK visualization script. I want to be able to do that offscreen, so I can launch the visualization in a server. I can do that by doing renWin.OffScreenRenderingOn() in the ...
4
votes
0answers
512 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
66 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
182 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
89 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, ...
6
votes
1answer
4k views

Xvfb or Firefox throwing errors & gratuitously logging

per the answer to this question, I'm running Xvfb to make a virtual display so firefox will run on my CentOS server. (I don't need to see firefox or do any actual key or screen input/output with ...
2
votes
2answers
776 views

Xvfb does not release memory

We want to create screenshots of websites for our software, and we are doing this by using CutyCapt with Xvfb. Unfortunatly every time CutyCapt takes a screenshot, the memory of Xvfb increases .. ...
0
votes
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
1answer
1k views

CutyCapt seems to ignore the Xvfb screen size parameters

I have a problem using CutyCapt to create images rendered for a particular screen size. For example, if I do these: xvfb-run --server-args="-screen 0, 800x600x24" \ ~/bin/CutyCapt/CutyCapt ...
4
votes
3answers
807 views

How do I create a virtual secondary screen in X11?

I'm trying to use xvfb as a secondary screen, but I am struggling getting the two screens working together. xvfb does not seem to have the randr extension. So is there another possibility to create a ...
1
vote
3answers
4k views

Installing XVFB on Suse

I'm setting up an OpenSuse web server and need to run CutyCapt and XVFB, but can't find either in any of the repositories. I'm running OpenSuse 11.4 x64 with no desktop GUI. Any advice on where to ...
4
votes
1answer
344 views

Make a windowmanager/desktop (Gnome) use only a part of an X11 server's (Xvfb) resolution

I have the following problem: Let's say I have an X11 server (it is the Xvfb) set to run at a resolution of 1024x768. Now I want to run inside it the Gnome desktop, not at the resolution of 1024x768 ...
6
votes
2answers
4k views

How do I start Xvfb on startup on Debian?

I’ve got a Debian web server that I’m using for occasional screen-scraping via Selenum and Python. I use Xvfb as a virtual X server for Firefox to run on when being controlled by Selenium. Given that ...
2
votes
1answer
691 views

How to scale xvfb?

I'm looking to develop a web-application that translates request parameters into a PNG/GIF chart. I'm looking to reuse an open source charting library, but I have concerns about the scalability. A ...