Questions tagged [xvfb]
Xvfb stands for X virtual frame buffer, and implements the X11 display protocol without actually showing any screen output.
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Dependency Xvfb missing error on npm run
On running the command npm run test on ubuntu WSL-2 Windows 11. I get the following error:
account-management-fullstack-level-2@1.0.0 test
cypress run
It looks like this is your first time using ...
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0
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1
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xvfb-run redirects STDOUT and STDERR to STDOUT only
I'm trying to run an application via xvfb-run. I need to access this application's STDOUT stream independently from STDERR. Normally, I'd do something like this:
node script.js > output.txt
I ...
- 5,617
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0
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X forwarding broken after using Xvfb
I used Xvfb to create a fake desktop to run programs with graphical interface on a Debian pc without display for testing purposes.
After completing these tests, I wanted to revert back to the "...
- 11
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0
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How to make chrome run with GPU on ec2 instance
I'm running an ec2 instance with GPU ( g4dn.xlarge ) with image "Deep Learning Base AMI (Amazon Linux 2) Version 43.0" installed.
I tried to run chrome with webgl support but no luck. I ...
0
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1
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How do you disable the "sharing this tab" message in Chrome
I'm using selenium to record chrome screen. And I also want to share this screen throw webrtc. When I start share a tab screen. Chrome will show this message :
https://storage.googleapis.com/support-...
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1
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qt.qpa.screen: QXcbConnection: Could not connect to display
Cannot get CutyCapt to work. I am running this on a CentOS 7 VM. I am running this directly on the command line and not using a script yet.
# echo $DISPLAY
:0
# CutyCapt --url=https://hostname/abc --...
- 11
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0
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110
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Google Chrome Extension not starting on cloned Linux Ubuntu 20.04 Virtual Machines
My own Google Chrome Extension should start when the Google Chrome browser is opened (via crontab xvfb-run), but it does not. The Extension is used via Developer mode and is not published in the ...
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xvfb XIO: fatal IO error 11 (Resource temporarily unavailable) on X server
I'm running a Windows application in Linux using wine and xvfb, this combination works most of the time, I can see these errors messages many times (but not all the time) I have googled this errors ...
- 153
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0
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Selenium + ChromeDriver stuck for exactly 4 minutes
I'm trying to webscrap a web page with CloudFlare protection from remote server:
#!/usr/bin/env python3
from xvfbwrapper import Xvfb
from selenium import webdriver
from selenium.webdriver.chrome....
0
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0
answers
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Selenium/Xvfb Issues with Jenkins
I'm struggling to get Jenkins to run Selenium/Xvfb for some functional tests on a project. Either Jenkins will hang and the job never finishes or ends up terminating with errors. This is using the ...
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Enable GLX extension in Xvfb in Xquartz
The version of Xvfb included in Xquartz on MacOS doesn't support GLX:
$ Xvfb +extension GLX
[mi] Extension "GLX" is not recognized
[mi] Only the following extensions can be run-time enabled:
[mi] ...
- 206
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0
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Xvfb: connection refused when running test script via browser on Fedora
I have a python script which will only be triggered by calling my.ip.address/test. It works fine if I run the PHP code via command line.
However,if I access the test automation via browser using the ...
- 111
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1
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Xvfb with -nocursor shows cursor anyway
I'm using xvfb-run to execute Xvfb:
xvfb-run \
--server-num 44 \
-s "-nocursor -ac -screen 0 1280x720x24" \
chromium-browser \
--temp-profile \
--window-size=1280,720 \
--disable-...
- 5,617
3
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1
answer
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Getting the server number when using --auto-servernum with xvfb-run
When I execute an application with xvfb-run, I can either explicitly specify an X11 server number (i.e. 44), or I can use --auto-servernum, which will assign one for me.
If I use --auto-servernum, ...
- 5,617
2
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3
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Linux headless and mega.nz sync
I have a server with Ubuntu 14.04 and I need to sync (real-time sync, not push-pull via cronjob) with a mega.nz account. Right now my solution was to install Mate and megasync gui app, but I want ...
- 133
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1
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Use xvfb to automate X program
I sadly have to use this proprietary program that bundles a camera driver. I want to perform a specific action with it, which involves clicking a few buttons. And there is no CLI.
So, what is the ...
- 259
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1 xvfb, multiple applications
According to a previous question, Multiple clients on a single Xvfb server/process?, I can run multiple clients on a single xvfb process. If this is true, then how can this be done?
Example:
xvfb ...
- 29
6
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1
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xvfb-run on Mac OSX
I'm trying to run SlimerJS in headless mode so that it does not open a visible browser window on Mac OSX.
According to the SlimerJS docs, this can be done using xvfb which is "available on Linux ...
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1
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Xulrunner crash when running with underprivileged user
I use SlimerJs as an headless browser on a server.
Because the server have no xserver I used xvfb to run it.
The command goes something like this:
xvfb-run --server-args="-screen 0, 1024x768x24" ...
- 71
0
votes
1
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392
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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 &
...
- 137
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votes
1
answer
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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 http://itsallabtamil.blogspot.com/2013/02/setting-up-chrome-firefox-ec2-...
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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 ...
- 52
3
votes
2
answers
876
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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 -...
- 259
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1
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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 ...
3
votes
1
answer
2k
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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
...
- 293
8
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4
answers
14k
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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 ...
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2
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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):
...
5
votes
1
answer
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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 ...
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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 ...
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1
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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 ...
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5
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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 these....
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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 ...
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1
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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 ...
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1
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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 ...
- 165
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2
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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?
- 187
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3
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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 -accept=...
- 187
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votes
4
answers
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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 ...
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