What is Xvfb?

An Xvfb primer. Xvfb (short for X virtual framebuffer) is an in-memory display server for UNIX-like operating system (e.g., Linux). It enables you to run graphical applications without a display (e.g., browser tests on a CI server) while also having the ability to take screenshots. Let’s take a look at an example.

How do I run Xvfb on a specific display port?

Start Xvfb on a specific display port and background the process Tell the terminal session to use the display port NOTE: This approach will keep Xvfb running in the background until the process is killed. Use xvfb-run to launch the tests (no display port declaration necessary) NOTE: This approach will start and stop Xvfb for you.

Do I need Two PTFs to install the Xvfb?

Two PTFs are needed to fix a window resizing problem, but because they are not available, you must migrate to AIX 4.3.1 or later to use the XVFB with AIX 4.3 . If the PTF U452591 is installed, CATweb Navigator Version 1 runs successfully. The XVFB for AIX 4.3.1 is installed from the AIX 4.3.1 product CDs. Install the following filesets:

How do I install the Xvfb for AIX?

The XVFB for AIX 5.1 is installed from the AIX 5.1 product CDs. Install the following filesets: where n is the display number you wish to have associated with this instance of the XVFB. This starts the X server without using any installed graphics adapter and loads the OpenGL extensions to the X server.