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Tmux – the Terminal multiplexer

Articles, Guides, Pills, Reviews 2 Responses »

Sep 152011

In a former article i’ve show how to use Screen and Byobu, in short Screen is a full-screen window manager that multiplexes a physical terminal between several processes (typically interactive shells) while Byobu is an elegant enhancement of the otherwise functional, plain, practical GNU Screen. Byobu includes an enhanced profile and configuration utilities for the GNU screen window manager, such as toggle-able system status notifications.

But today we’ll see something similar, but different: Tmux Continue reading »

Aliaser take control of your alias on Linux

Guides, Pills 2 Responses »

Sep 092011

Alias are a great tool to help increment your productivity on the terminal with bash (or any shell program you’re using), but usually we are too lazy to think at what are the most common, or long commands that we use frequently and prepare an alias for them.

And so someone has done a small piece of software to do this job: aliaser

Aliaser helps you identify frequently typed commands and creates bash aliases for them. Aliaser analyses your bash history and helps you identify commands that you use frequently.
Continue reading »

Simple security by evaluating open ports

Articles, Guides 5 Responses »

Sep 072011

Article by Dominique Cimafranca first published on his blog regarding Ubuntu, and Linux in general.

A simple but effective procedure for evaluating security on your computer is to check what sites it’s connecting to, or what sites are connecting to it. Most critical malware nowadays turn computers into zombies for botnets — typically zombified hosts will connect to a central server using IRC. Or it could be that you’re inadvertently running a program that’s listening for Internet requests. In any case, it’s good to check these connections.
Continue reading »

5 Less know Browser for Linux

Articles, Guides, Reviews 2 Responses »

Sep 062011

The browser market for GNU/Linux is dominated by Chrome and Firefox, with Opera on the sidelines with a smaller percentage of users. but as in all fields also in this one GNU/Linux offers many really interesting alternatives that you should evaluate.

I know that there are also text-based browsers, which i often use when I work on servers and I need a fast information or to verify a web-site, but today I’ll just go for the graphical ones used in desktop environment.

So let’s take a look at SRWare Iron, Icecat, Midori, Dillo and Rekonq.
Continue reading »

Guide to regular expressions with examples

Guides 4 Responses »

Sep 032011

The regular expression, or regexp, are the most powerful, versatile and hated tool used by programmers and system administrators.

They allow to express with a few characters search for strings, characters or words, and if done well can lead to good results, but if they are wrong they can not give you any useful result, and the worst thing is that often it is difficult to understand whether or not a regepx it is written with a correct syntax to cover all the possibility.

But now as first thing let’s see what is a regular expression:

From WIkipedia ”

In computing, a regular expression, also referred to as regex or regexp, provides a concise and flexible means for matching strings of text, such as particular characters, words, or patterns of characters. A regular expression is written in a formal language that can be interpreted by a regular expression processor, a program that either serves as a parser generator or examines text and identifies parts that match the provided specification.

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