In this article on the shell Bash, we will try to explain in a simple way how to configure, operate and program in Bash. There are other command interpreters that are fully functional and powerful, but we will focus on Bash as it is the most used. Every UNIX system administrator in general and Linux […]
First of all, I would like to point out that most of the times audio problems are due to misconfiguration. Since Ubuntu 9.10, there is a default configuration tool called “Pulseaudio” with a new interface that we can configure to match our sound preferences. Right click on the speaker icon next to the […]
With Ubuntu versions prior to 10.02, video files we watched on our browsers by using the flash plugin could easily be found in the /tmp/ folder. Giving the found file a human name and moving it to our home folder would make it all the way to enjoying those videos offline. But after the Flash […]
Checking the temperature of your hardware (processor, graphics card, hard drive …) is important to know how our computer is doing and if you have problems with high temperatures, either by degradation of the materials in contact with the micro or simply by a fan that stopped working. To prevent any of these problems, […]
Remote Desktop allows us to see and even control the desktop of another computer from your PC. For example, we have a shop and want to view and control some video security cameras that are connected to a computer from another point in our house. Warning This can be done by means […]
There are two ways to manage users and groups in Ubuntu: 1. Graphical -> The simplest way. 2. Command line text -> More technical but more powerful, several things can be done at once. THE GRAPHICAL WAY IN UBUNTU With Ubuntu 4.12, graphical user interface is now called “user accounts” and some options […]
Evolution is the default mail client installed in Ubuntu. More than just an mail client, it’s a complete groupware tool that allows the user to manage contacts, tasks, notes and calendars. Evolution can be started in three different ways: Click on the (envelope) icon in the top panel. Go to Applications menu -> Internet -> […]
Iptables is the default firewall in Ubuntu and is a very powerful tool. The problem is that when it comes to perform administration tasks, the syntax is complicated and difficult to understand. For this reason, Gufw and Firestarter were created (it is a server level firewall for “humans”), which is simpler. GUFW FIREWALL Gufw […]
XAMPP is a web server that is used to develop applications in PHP, with connection to a SQL database (LAMPP = Linux + Apache + MySQL + PHP + Perl) Installing an Apache web server is not easy for newcomers and is even more complicated if it is required to add MySQL, PHP and […]
Instant messaging is a text-based and file-sharing real-time communication system that is established between two or more terminals connected to a network. It has become a key tool of the Internet, allowing people to connect with their families, friends and have a direct way to chat, exchange files, photos, documents, web pages and more. Instant […]