Deconstructing containers and examples to better understand the technology
A workflow for cloud instances baking and provisioning using ansible and terraform
Step by step guidelines on how to prepare and improve your experience at tech conferences
Building a network port forwarder in golang
A test drive of Hashicorp Vault PKI backend
In a world where the Operating System installation is almost a thing of the past, with all the hosting providers giving you base boxes to use, some of us sti...
Creating testing workflows with containers using docker, coreos and test-kitchen
Everybody hates Public Key Infrastructure (PKI)
A blog workflow using github-pages and jekyll
An overview of my home server and HTPC
A list of the best tools I’m currently using for coding and improving productive workflows.
How to ensure SVN server side is logging every user action on each repository using SSH.
Published awarded article on security research using hashcat and benchmarking several hashing mechanisms.
How to integrate modsecurity with Nagios using a custom NRPE script to audit logs and receive notifications.
Tutorial on how to implement a personal intrusion detection system using the best open source tools available.
An introspective and why I decided to dive into Python, Github, and search for new software development skills.
How to fix vmware-console in Gnome 3 so it won’t die on you anymore for no apparent reason.
Still using IRC? Follow this tutorial to get notifications from IRC on your inbox using ssmtp.
A simple idea on how to reuse something you (probably) have at home as mobile phone table stand.
Tutorial on how to mount a remote Android phone filesystem as a local mountpoint on your laptop.
How to integrate OSSEC with Nagios using NRPE to keep an alerting eye on all your infrastructure.
Tutorial on how to display maximum information on an eee Netbook with a conky configuration.
Tutorial on how to get the most out of Screen, enabling screen sessions automatically on boot.
Tutorial on how to install and configure Ubuntu 10.04 on Asus eee 1001p, so the hardware works properly.
My review of the exceptional manual on social engineering The Art of Deception, written by Kevin Mitnick.
An overview of the main services running on my personal infrastructure and the slides from my presentation at the last PortoLinux tech meeting.
Get to know the infrastructure I’ve built at home in the next PortoLinux meeting, which will take place on March 20.
My review of the Linux Firewalls: Attack Detection and Response book, written by Michael Rash.
Sysadmin, Die Hard edition. Never underestimate the devotion of a sysadmin.
I celebrated by birthday by attending a TEDx event for the first time. From the networking to the inspirational speeches, it was an outstanding surprise.
Tutorial on how to Disk Dump for disk disaster recovery and data forensics with examples to back-you-up.
Learn how to get your HTPC decompressing 1080p movies directly on the GPU for a seamless Full HD movie playback experience.
PortoLinux is a small community of everything Linux related enthusiasts from Porto that will get together on July 11 at Escola Artística Soares dos Reis.
I was invited by my alma mater to speak about my professional career as their alumni, tools I’ve been working with and projects I’m currently participating in.
This script allows you to automatically change the running network interfaces on the firewall, which comes in handy if you’re using Firestarter.
Tutorial on how to create a dual partition liveUSB system rescue pen drive, a tool that every sysadmin should always have on their pockets.
Still doubting if Linux is the way to go? Let this video show you the world evolution and why Linux is getting stronger each day.
Get to know different features from the Media Center Edition software from Linux and be amazed by it’s capabilities.
Tutorial on how to create your own custom Ubuntu LiveCD with Remastersys, available in the Linux Mint romeo repository.
The difference between Red Hat’s and Ubuntu’s configuration utility and how to fix sound issues in Quake III Arena and Pidgin running on Ubuntu.
Considering a career as sysadmin? Perhaps this video can both make you laugh and gloat on the perks of the trade.
If you are still doubting about Linux skills, perhaps this line of code can convince you otherwise.
Fighting for your rights can be a real struggle, like the one I went through to by not accepting the micro$oft windows EULA on my newly bought Asus laptop.
Open Source Living is a great reference website of open source software divided by any category, from web development to entertainment.
Step up your game on Linux, Vim, Google, Firefox and Thunderbird with these very useful cheat sheets of shortcuts, locations and tips/tricks.