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78 views

Google-chrome crashes on Ubuntu 12.04

I am running chrome inside Xvfb session. I am using Google Chrome 40.0.2214.91 version. I am using the following commands to run it: Xvfb $DISPLAY -screen 0 1920x1080x24 2> /tmp/xvfb.log & ...
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votes
0answers
63 views

Catching the Xvfb failed error

I am starting Xvfb as follows: Xvfb $DISPLAY -screen 0 1920x1080x24 2>&1 >/tmp/xvfb.log & I am facing following problems: The logs are not getting redirected to the log ...
2
votes
1answer
622 views

AWS EC2 Linux headless Firefox issue: Xvfb: undefined symbol: pixman_glyph_cache_create

I have been using AWS EC2 Linux for a while for a headless Firefox/Selenium task. I built it using the instructions from ...
0
votes
1answer
141 views

make Xvfb listen only on local ip

to use graphical software even on my debian based systems without graphic cards (or in addition to its main graphic) i use the virtual frame buffer x server Xvfb. I am starting it with a little bash ...
0
votes
0answers
212 views

Run TS3-Client without GUI and connect to a server

I want to run the linux ts3-client without a GUI, i found this answer related to my question, the solution helped me to get the client started but not to connect to a server. I executed the client ...
0
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0answers
175 views

Adding Xvfb to systemd services

I have attempted to create a new Xvfb service on a headless data server, but it shuts down the display after some time. I can confirm that the service is enabled. I am not doing anything related to ...
0
votes
0answers
130 views

xvfb-run error with a job queue but not in interactive session

I'm running a python script on a remote cluster that tends to use an x display. I've gotten this working using xvfb-run in an interactive session (specifically command [1]). When I try to submit the ...
1
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2answers
114 views

Piping xpra to ffmpeg

I'm trying to record a headless, xpra display. (I've attempted both the xvfb and Xdummy options). The issue is with ffmpeg's "x11grab". The command being used is: /usr/bin/ffmpeg -y -framerate 2 ...
-1
votes
1answer
70 views

Can I use xvfb on a hpc system without effecting other users?

I'm trying to use some image processing software that requires a X server. And it seems that we can fake a x server using xvfb. So I asked our system administrator to install the xvfb for me. But they ...
2
votes
1answer
491 views

Reinit xvfb resources

I user xvfb on my Ubuntu servers mostly to run browsers in Selenium QA automation. I user this servers to test web applications, so I run A LOT of browsers. But after some time errors appears like ...
2
votes
1answer
1k views

Got black screen when recording screen from xvfb by ffmpeg x11grab device

I'm trying to record video from a firefox run by xvfb-run but it always output nothing in the video file except black screen. Here's what I did: start a firefox, open google.com: $ xvfb-run firefox ...
1
vote
2answers
1k views

X Error of failed request: BadCursor (invalid Cursor parameter) when recording Xvfb with ffmpeg/avconv

I am trying to record video output from Xvfb using ffmpeg or avconv. I start Xvfb with: $ Xvfb :29 -screen 0 1024x768x24 When I later try to record display :29 with avconv (same output for ffmpeg): ...
4
votes
1answer
5k views

How can I run lightdm on Xvfb on a Raspberry Pi?

I've got a Raspberry Pi and I'm using it as a headless server. But I want to run X on it. It comes with lightdm, and if you run it using the included HDMI or video out it works, and I can use that and ...
3
votes
1answer
765 views

How do I figure out what to set my DISPLAY variable to for a virtual display?

Here's my uname -a info ... Linux qa3398c 2.6.18-194.8.1.el5 #1 SMP Wed Jun 23 10:52:51 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux I'm running some Google Web toolkit tests that require access to a ...
1
vote
0answers
466 views

Different behavior under Xvfb and under a real X server / Xvfb alternatives?

I am trying to run a program (Ansys 13 Workbench) that requires a display in batch on a torque managed linux cluster. Running it as an interactive job with X forawrding to my local linux machine ...
7
votes
4answers
9k views

Proper way to start xvfb on startup on centos?

I'm following this tutorial, and I want to know the equivalent centos-version of this ubuntu-specific step: You may receive a few warnings regarding fonts and such, but it’ll still work despite ...
0
votes
1answer
904 views

Multiple clients on a single Xvfb server/process?

Is is possible to use only one Xvfb process to serve multiple clients simultaneously? Or, phrasing it differently: A Xvfb process maps directly to one screen, i.e., multiple clients share the same ...
1
vote
1answer
828 views

How to run Firefox jailed without serious performance loss?

My Firefox configuration is tricky: Firefox runs at separate restricted user account which cannot connect to main X server. Firefox uses Xvfb (virtual "headless" X server) as X server. x11vnc is ...
0
votes
1answer
1k views

Xvfb with 32 bit color

For some machines this works, for some it doesn't. Xvfb :99 -screen 0 1280x1024x32 However, on most machines this works: Xvfb :99 -screen 0 1280x1024x24 What is the secret ingredient to getting ...
1
vote
2answers
785 views

getting first non display number in use

I need to give a command like Xvfb :6 -screen 0 1024x768x24 Where 6 can be a display number. Now Xvfb can already be using that Display, so how do I get the first display number not in use?
1
vote
3answers
2k views

Unable to run openoffice in headless mode

I want to automoate some PPT -> PDF conversions, so I want to run openoffice in headless mode for scripting. On my machine with X running I can start opemoffice in headless mode via soffice ...
3
votes
4answers
3k views

Redirecting X output

I have a small program that checks some elements of a web service. The program shows graphics output and displays commmand-line results as well. I have been trying to automate this program to run ...