The iocage program is a python 3 piece created to manage FreeBSD Jails leveraging the underpinning ZFS file system on FreeBSD. As already explained on previous articles the FreeBSD operating system offers an OS-level virtualization system called Jails. And as described on past articles it can benefit administrators and developers alike. This is a simple […]
Abandon Linux. How to install iocage to manage FreeBSD Jails
A brief introduction to SSL/TLS certificates
SSL stands for Secure Sockets Layer and it an old implementation of a crytographic protocol. TLS, or Transport Layer Security, is a new one. They are both used to have privacy in the communications between different parties. They are used to secure email, web browsing, instant messaging, etc These protocols work in a complex way […]
The LAMP stack (Debian 9)
LAMP stack stands for a software stack composed by Linux, Apache, MySQL and PHP (or Perl). It is used for many purposes and its common ground for system administrators. Since there are several of Linux distributions there are some differences in the way the LAMP stack is installed. In this guide we are using the […]
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 upload a FreeBSD custom image on DigitalOcean
Due to DigitalOcean not releasing ready to use images for FreeBSD 13 at this time, and since I opened a ticket a couple of months ago without a strong positive message from DigitalOcean supporting FreeBSD 13, I’ve decided to make use of their custom image upload service and give it a go. I must say […]
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 […]
Nmap cheatsheet
Nmap is a discovery tool used in security circles but very useful for network administrators or sysadmins. One can get information about operating systems, open ports, running apps with quite good accuracy. It can even be used in substitution to vulnerability scanners such as Nessus or OpenVAS for not very large environments, or quick audits. […]
The firewall
If you don’t know why you need a firewall it’s because you are not very tech savy. Don’t worry. You can discover by yourself why you need one. The router sitting in your house has one installed in it. And please don’t disable that by any mean. You can check why a firewall is important […]
How to install Ansible on FreeBSD
Ansible is a very useful tool geared to system’s configuration and applications deployment. In this how to install Ansible on FreeBSD I will briefly explain what the tool is, what it does, what it does not and how to install it on FreeBSD. I will also demonstrate very basic use and on a later article […]
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 […]