The pkgng is the package management system in FreeBSD. It is used to install applications, and specific modules, libraries, etc. Nowadays you can select in between more than 25.000 thousand. Yes, twenty five thousand. The syntax to use is very intuitive and simple. As you may be already aware software comes in two forms. Source […]
How to install software in FreeBSD with pkgng
How to use find in GNU/Linux and FreeBSD
How to use find is a very basic, but important, UNIX lesson. Find is a very useful command which can help us not just finding a particular file, but for examples files or directories matching certain criteria such as: size, permissions, type. The basic mode of operation for find is the following: find path criteria […]
How to mitigate Spectre and Meltdown on a Lenovo T430s laptop with Ubuntu
As recently announced in a previous article I wanted to write a couple of guides on how to mitigate Spectre and Meltdown vulnerabilities in GNU/Linux and UNIX environments. It is always a good and I hope a standard practice to have your systems patched and if they aren’t for whatever the reason (that legacy thing […]
How to mirror disks on FreeBSD’s ZFS
This article is not going to be a long, detailed, specialized how to. I just wanted to share the ease and the fantastic quality of ZFS for a dead simple need I had. A spare box with a spare disk doing nothing could be repurposed as a file share box at home. Mirroring the two […]
How to secure FreeBSD (server minimal edition)
This is a very simple and easy to follow guide on securely administer your FreeBSD server. That said I am not a security expert although I’ve gained some knowledge as time goes by. Not pretending to be the definitive guide this article is an introduction on how to secure FreeBSD in which I will tackle […]
WordPress administration over SSL
If you are a WordPress user or prettend to become one and you have some IT administration knowledge this guide is of your interest. Many hostings already provide easy point and click solutions to administer WordPress over SSL. However you may be self hosting WordPress or you’re just a curious person. What is TLS? TLS […]
How to test pfSense on VirtualBox running on FreeBSD
There are other guides on how to do this on Windows, Mac, but not on FreeBSD, so here goes a how to pfSense on Virtualbox running on FreeBSD. Before going to it, let’s address the first question, which is what is pfSense. pfSense is a FreeBSD based distribution made for networking purposes. The company behind […]
Why FreeBSD
In the following lines you will find a brief but sort of complete explanation about what is FreeBSD and why FreeBSD might be of your interest. If you are already a Mac or Linux user this could be more relevant for you than you would imagine. Enjoy. FreeBSD is an operating system, a unix-like operating […]
Abandon Linux. How to export and import FreeBSD Jails ‘a la Docker’
FreeBSD Jails is an awesome tool similar to Docker but much older which allows administrators and developers alike to have several securely contained userland environments sharing one kernel. Does it sound familiar? This is operating-system-level virtualization and it’s different than what you find on KVM or Xen camps. For more detailed information I’ve published some […]
A brief introduction to Regular Expressions
A regular expression is a set of characters, a string of characters if you will, that specify a pattern. Ever used the grep command? It makes use of them. The ‘grep’ command is very handful when one needs to look for certain things inside a text file, or looking for some specific pattern from another […]