Today we will learn how to enable HTML5 YouTube playback on Firefox, since it is supported by version 36 of the popular Mozilla browser.
HTML5 is a markup language used for structuring and presenting content for the Internet introduced by World Wide Web Consortium (W3C). The HTML5 specification introduced the video element for the purpose of playing videos, partially replacing the object element and without the support of plugins, like the proprietary Adobe Flash plugin.
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How to enable the VDPAU Hardware Acceleration in Flash player on Ubuntu
In this guide we will see how to enable the VDPAU hardware acceleration in flash player on Ubuntu and derivatives for any Nvidia, Intel and AMD GPU.
VDPAU (Video Decode and Presentation API for Unix) is the name of a library that allows to assign a part of the workload of decoding and post-processing a video to the GPU; this features can be used even for Flash playback.
In Ubuntu the native support for the VDPAU hardware acceleration is not active by default, but it can ben enabled with the following procedure:
How to fix the Heartbleed bug on your Linux Server
In the last few days a serious bug, nicknamed Heartbleed, has been found in the cryptographic software library OpenSSL.
This bug allows any ill-intentioned hacker to read the memory of the systems with the vulnerable versions of the OpenSSL software installed; with this kind of access an attacker can read the secret keys used to encrypt the traffic to the server including the usernames and passwords of the users and the actual content.
Fortunately only the 1.0.1 series (up to 1.0.1f) and 1.0.2-beta series (up to 1.0.2-beta1) of OpenSSL are affected by the Heartbleed bug.