Configuring Jenkins to automatically merge multiple branches into one using GitHub hooks

One of the pending tasks I faced until recently in my work was to find a proper way to configure Jenkins to receive notifications from pushes in GitHub and use those to trigger a merge between every modified branch and… Continue Reading →

Creating a UNIX package

It is already some time since I first started a coding project to provide a tool that easily generates Debian or RedHat packages. Now that it is finally finished, I can happily announce it: UnixPackage on GitHub. There are instructions… Continue Reading →

IptabLex/IptabLes XOR.DDoS attack on UNIX systems

For almost a year now, I have had the opportunity to work with a small network of machines part of a high-speed network and publicly facing the Internet – thus consequently reachable by everyone. During the last quarter of the… Continue Reading →

Tokyo area in four days

On February 2015 I had the chance to visit Tokyo for a business trip. Taking advantage of the opportunity, I spent the last three days visiting Tokyo, a surrounding city, Kamakura and a nearby island, Enoshima. Day 1: Tokyo It took… Continue Reading →

Sending messages in Linux

Sometimes you may be interested in sending a message to some or every user connected to the same machine as you. There is probably a large list of possibilities, but I will be documenting only two of them: Wall This… Continue Reading →

Environment variables in Linux with Apache and Django

One of the basic issues any software developer or maintainer may face at some point is how to provide the software such that it can be installed and run from anywhere. Most people probably prefer a system where the configuration… Continue Reading →

Quick guide to upgrade Django from 1.2.3 to 1.4.5

Recently, in my work we needed to upgrade one of our tools, written in Python2.6 and Django 1.2.3. Initially thought of directly upgrading to Django 1.6 but we wanted (1) a smooth migration and (2) provide backwards compatibility with 1.2…. Continue Reading →

Southern Norway in a week

August 2014 turned out to be the occasion to visit Norway — disregarding the menacing reports of  imminent eruption of Bárðarbunga. For that, we defined a route of eight days and travels from west to east (yes, that includes the Bergen-Flåm… Continue Reading →

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