Netdata is a real time monitoring software that allows administrators, developers and architects have a visual representation of a system’s performance live. In short, porn for system’s tuners and other masochists but also a great tool to check system’s behaviour under load giving all members of a team to look at their part while the […]
Live monitoring with Netdata
How to install Suricata on FreeBSD
Suricata is a free, open source, Intrusion Detection System software, or IDS for short. But it can also act as an Intrusion Prevention System, or IPS. It works by finding patterns using heuristics typically from network traffic. When configured to just warn about suspicious activity it is called an IDS, however when it blocks the […]
Linus on ZFS
Disclaimer: What you are about to read may contain inaccuracies. Feel free to discuss them somewhere else. This is also my opinion and as such it may change through time, maybe tomorrow, next month, next year, next decade or never. I do also make very few reviews (if any) of what I write here so […]
How to configure Apache HTTP with a TLS reverse proxy backend on FreeBSD
A few weeks ago I published a how to guide to configure Apache HTTP as a reverse proxy. On that ocasion I was following what the average guide on the internet does on Linux. A front end server with Apache HTTP on calls a backend server where the real site is sitting. Many backend calls […]
How to upgrade FreeBSD from version 11.2 up to 12.0
Although the upgrade process is very well described on the FreeBSD handbook you may be looking for a more detailed hands on how to upgrade FreeBSD from version 11.2 up to 12.0 article. We’re going work here on this process, step by step detailing not only how to upgrade but to do it safely. First […]
How to manually update Letsencrypt certificates on FreeBSD
Update 05-2020: If anyone is interested on the automatic process you can read my tutorial on DigitalOcean about the topic. On this guide we will manually update our Letsencrypt certificate on FreeBSD for a single website. It is a simple operation that can be automated as a cron job, but seeing it is always informative […]
How to configure TLS 1.2 on UNIX or GNU/Linux
This is an article willing to help and point out a few useful resources for those using Apache HTTP or NGINX web servers that are still using the deprecated SSLv3, TLS 1.0 and/or TLS 1.1 verions. If you find the articles in Adminbyaccident.com useful to you, please consider making a donation. Use this link to […]
SSH keys
SSH or how to remotely control a UNIX system in a secure manner. The SSH keys is a secure method to interact with a UNIX system remotely. They are also used to transfer data between different systems. Using clever cryptography anyone can use them. As their name state it is a pair of keys, one […]
How to enable SSL on Apache on FreeBSD
On this guide you will read about a simple way to enable Apache’s TLS connections on your web server. Aside from useful it secures the connection from the client to the server and prevents unwanted tinkering. Anyone on the need of SSL (nowadays TLS) will benefit from this article but particularly will do those in […]
Donation Time 2020
This 2020 has been a difficult year for everyone. Because of this difficulty and the opportunities I had the chance to take, I’ve been able to contribute back to the open source community, not just with content here in Adminbyaccident.com, advocacy for a few tools such as my favorite OS (FreeBSD) and the usual mouthful […]