Introduction. Unlike many Linux distributions the FreeBSD operating system comes quite crude out of the box. What others will interpret as a disadvantage, with some knowledge on the system, others see the power to serve. Anyone willing to have a nice FreeBSD desktop experience with little effort, there are a couple of BSD-based distributions, like […]
How to configure FreeBSD to use a webcam (version 12 and 13)
How to manipulate and use USB drives in FreeBSD
If you are coming from the Windows, Mac or GNU/Linux world using USB drives on the desktop is a piece of cake. You plug it and it works. That’s it. Interoperability between the proprietary world and OSS (Open Source Software) has improved but there’s still a very palpable line. Just grab a new USB drive, […]
How to install WordPress on Debian 9 (LAMP stack)
In this guide we’ll see how to install a simple, clean, new WordPress site. In order to run this site we’ll have to have a LAMP (or FAMP if you prefer FreeBSD over Linux) stack in place. Read the correspondent guides in order to get the necessary software layers all together, rightly configured. If you […]
How to install the Clamav antivirus on CentOS 8
Clamav is a free antivirus nowadays owned by Cisco and developed under the umbrella of the Talos-Intelligence group. Don’t be fooled by the word free, this is serious business. It supports a wide variety of operating systems from Windows to Linux-based ones as well as FreeBSD. Many companies are using other types of antivirus software […]
How to configure Apache HTTP as a reverse proxy on FreeBSD
Apache HTTP as a reverse proxy consists on setting an Apache HTTP server as a frontal access for one or multiple backend servers. In the recent years many have started using NGINX as a reverse proxy since this piece of software really shines for serving static content an acting as a cache server. This doesn’t […]
How to install ModSecurity 3 on FreeBSD
A couple of years ago I wrote a guide on how to install Modsecurity on FreeBSD. Now the program is on its third iteration so a new article is needed. Or so I think. In this article I’ll be covering Modsecurity 3 applied to protect Apache HTTP. If you find the articles in Adminbyaccident.com useful […]
Abandon Linux. Jails for developers.
Reading the title you might think I want to put developers in Jail and although some may be good candidates this is in the far opposite of my intention. I am talking about FreeBSD Jails. For the unfamiliar with the concept those Jails are userland secure contained environments that share a common kernel. Purists and […]
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 […]
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 […]
What is UNIX?
UNIX is an operating system. And your known equivalent is Windows or the Mac. You may even know about Linux. The purpose of an OS is to accommodate programs in order to get some work done. Editing pictures, browsing the web or serving data from a database. It is the thing that lets you operate […]