Vitalij Neverkevic Blog

Vitalij Neverkevic

How to automate fail2ban with Ansible Part 4

In previous parts we have looked at how we can automate fail2ban using custom ansible module, we wrote few playbooks and created ansible role, however it is not necessary to create ansible module just to automate fail2ban. Fail2ban has a single config file and ansible has all the necessary means

How to automate fail2ban with Ansible Part 3

In Part 2 we have organized playbooks into an Ansible Role, which makes it easy for others to reuse and share our work. In Part 3 we will take a look at the concept of Ansible Collections and we will convert role and custom module into collection and we will

How to automate fail2ban with Ansible Part 2

In Part 1, we showed how to use Ansible to automate the configuration of the fail2ban service on a Linux system. We started by writing a custom Ansible module that allows users to easily configure the fail2ban service. We then wrote a set of playbooks that use this module to

How to automate fail2ban with Ansible Part 1

In this article, we will learn about fail2ban and how to use Ansible to automate the management of this tool. We will start by discussing what fail2ban is and how it works, and then move on to using ansible to write a custom module for interacting with fail2ban. We will

Why did Michael Sailor sold his Bitcoin?

Michael Sailor is a huge proponent of Bitcoin maximalism. As a result, his company, MicroStrategy, has been purchasing bitcoins for their corporate balance sheet for the last few years. However, the news made headlines this week when MicroStrategy revealed that they had sold some of their bitcoin. Michael Sailor stated

How will open banking create innovation and competition in the financial sector?

Open banking is a system that allows customers to instruct their financial institutions to share their information with third parties if they so desire. The best way to grasp this is through an example. Many people have several banking relationships. Perhaps a checking account at one or two banks, a

The future of open banking

Open-source software is crucial in the development and deployment of open banking systems. The term "open banking" refers to a system in which banks and financial institutions provide APIs (Application Programming Interfaces) that enable third-party developers to access financial data and services via the bank's platform.

Russia to buy more Yuan in 2023

During 2020, we saw decisions that set in motion a series of actions that appear to be continuing into 2023. As we can see, Russia will likely buy Yuan on its foreign exchange market in 2023. But it doesn't stop with Russia and China; China and Saudi Arabia

There is no such thing as intrinsic value. Or is there?

Have you ever heard the argument that fiat money is bad money because it lacks intrinsic value, and that we should return to something with intrinsic value, such as a gold standard or perhaps silver, and that those are good forms of money because they have intrinsic value, and they&

Difference between cryptocurrencies and central bank digital currencies

Today we'll look at the distinction between cryptocurrencies and central bank digital currencies. We're discussing this because there appears to be a lot of confusion about the differences between cryptocurrencies and central bank digital currencies, as well as some of the other DeFi projects recently, especially