How to use 7z files on Ubuntu, Debian, Fedora

Install p7zip on Fedora

Install p7zip on Debian and Ubuntu

Uncompressing a example.7z 7zip file in Linux.

Creating a 7zip compression file in Linux.

error: You need to set both JAVA_HOME and PLUGIN_HOME

The error is like:

Both JAVA_HOME and PLUGIN_HOME are environment variables. Use the next command:

error: …

If you got this error in your firefox browser then the main reason is: the Firefox can be set to not accept cookies. The output will give us this:

To fix this error just go at the top of the Firefox window. Click on the Edit menu and select Preferences. Select the Privacy panel.… Read More »

Simple WebGL example

WebGL is a software library and cross-platform API that extends the capability of the JavaScript programming language. That brings OpenGL to the web as a 3D drawing context within HTML Today we present a simple example of using WebGL. Here, there is an html content, java script and content of WebGL content. The three main… Read More »

Setup the NetBeans IDE and Android SDK .

NetBeans IDE is free and open source IDE (Integrated Development Environment). I tested the latest version a few days ago and I am very pleased with him. The main reason is that it integrates very well the android SDK (Software Development Kit). Let’s try to use this. First we need to download it with JAVA… Read More »