September 30, 2023

In the realm of automation, each laboratory we will create requires a feature as basic as it is essential: the IP addresses of the devices must be accessible from the automation system.

Post cover
September 29, 2023

In my opinion, one of the less understandable constructs in Ansible concerns loop management. If we then talk about nested loops, the situation becomes even more complex. In this short post, we’ll see the recipes for:

Post cover
September 27, 2023

I have been involved in automation since around 2004, when I was managing nearly 200 nodes on the AlphaServer. Specifically, I was responsible for the hardware aspect. It may seem straightforward, but it’s important to consider that there was a mini operating system running under Unix that checked the connected components, detecting both critical and non-critical errors.

Post cover
September 25, 2023

In this article, we present an initial example of executing mass commands using Ansible on Cisco IOS devices. We will utilize the pre-configured “Cisco Legacy Core-Access topology” lab available in the repository DevNetOps course material:

Post cover
September 24, 2023

Ansible is distributed as a Python module installable via PIP. The installation process is straightforward but warrants some considerations. Typically, the automation host, the system from which all automation scripts originate, is one of the most critical systems within an infrastructure.

Post cover
September 21, 2023

The first step to work in the IT field today is to set up a laboratory. EVE-NG (formerly UNetLab) can be used for network, network security, and automation labs. EVE-NG is based on Ubuntu Linux 20.

Post cover
August 12, 2023

Operating on a data center (DC) or backbone Internet Service Provider (ISP) typically involves a significant amount of human effort, resulting in operational costs that are often overlooked. However, these costs can be optimized by harnessing the power of automation to handle simple and repetitive tasks efficiently.

Post cover
October 31, 2022

This is the third part of my IaC overview based on a personal experiment: building Cyber range using the IaC paradigm. Here is the first and second parts. A few weeks ago I met Spacelift and I had the chance to test their product.

Post cover
October 30, 2022

This is the second part of my IaC overview based on a personal experiment: building Cyber range using the IaC paradigm. Here are the first and third parts. In a pure design perspective, the client-to-site VPN approach is still the best.

Post cover
October 29, 2022

This is the first part of my IaC overview based on a personal experiment: building Cyber range using the IaC paradigm. Here are the second and third parts. During my Twitch session, I’m used to offering a practical lab to attendees.

Post cover