Top "Headless" questions

Headless systems are those which do not support standard user interface devices, such as monitors, keyboards and mice.

"No X11 DISPLAY variable" - what does it mean?

I am trying to install a Java application on my Linux machine (Slackware). I have received the following error, and …

java linux variables x11 headless
how to add the missing RANDR extension

I have setup the xvfb server on my headless server and when I m running the DISPLAY=:99 firefox I am …

x11 headless xvfb xrandr
Vagrant up - VBoxManage.exe error: VT-x is not available (VERR_VMX_NO_VMX) code E_FAIL (0x80004005) gui headless

Machine: Window10 (64bit). I downloaded the latest VirtualBox, Vagrant and initialized CentOS 6.7 64bit image/url. The following worked successfully in …

vagrant windows-10 virtualbox vagrantfile headless
Any way to start Google Chrome in headless mode?

I carefully revised the list of switches at http://peter.sh/experiments/chromium-command-line-switches/#chrome-frame and I couldn't find anything that …

google-chrome headless
Setting java.awt.headless=true programmatically

I'm trying to set java.awt.headless=true during the application startup but it appears like I'm too late and …

java awt headless
Vagrant Up Error In Headless Ubuntu: The guest machine entered an invalid state while waiting for it to boot

I need to install vagrant in headless ubuntu(Ubuntu 12.04.2 LTS- 64 Bit).Vagrant ver-v1.3.0 and Virtual box- 4.2.18. After adding the vagrant …

ubuntu state vagrant headless
How can I set the browser window size when using `google-chrome --headless`?

I tried setting the browser size on Chrome --headless by using Selenium WebDriver commands. I get this WebDriver error: - …

google-chrome selenium-webdriver headless headless-browser
What does "headless" mean?

While reading the QTKit Application Programming Guide I came across the term 'headless environments' - what does this mean? Here …

terminology headless
How to connect to Chromium Headless using Selenium

I would like to use chromium headless for automated testing using selenium. (https://chromium.googlesource.com/chromium/src/+/lkgr/headless/…

java selenium chromium headless
Libreoffice convert-to not working

I'm trying to convert documents from html,txt to pdf,odt and vice versa.. But only odt to pdf seems …

libreoffice headless document-conversion