Vitalij Neverkevic Blog

Vitalij Neverkevic

AI models Cheat Sheet with a simple explanation for non-tech audience

Intro I always had this feeling that I never properly understood the various areas of machine learning. There is deep learning and there is machine learning, and then there are different models, each trained differently and designed to work with different types of data. It was a mess in my

Are you planning to buy GPU to run LLMs at home? Cost/Benefit analysis in 2024.

Summary * Cost Efficiency: APIs are generally more cost-effective for heavy users due to payment based on actual usage, unlike fixed monthly subscriptions which may include usage limits. * Local Hardware Expenses: High-end GPUs like the Nvidia RTX 3090 or RTX 4090 incur significant upfront and ongoing electricity costs, making them less

A Comprehensive Introduction to LangChain

I. What is LangChain? The development of large language models (LLMs) like OpenAI's GPT-4 has completely changed the field of artificial intelligence. These models are a huge step forward in natural language processing because they can understand, create, and interact in language that sounds like it was spoken

What are Bank Runs? The SVB example.

Are you confident that your money is safe at the bank right now? The correct answer to that question is always and will always be no because there is no such thing as a safe bank. Regulators and bankers, politicians and governments have spent decades, if not centuries, attempting to

How to split large text into smaller chunks in Python

Text-to-speech (TTS) technology has come a long way in recent years, with many companies offering APIs that allow developers to easily convert written text into spoken words. One such company is Wellsaid Labs, which offers a TTS API that can be used to generate audio files from text. However, there

US $1.7T spending bill suggests more inflation?

The United States government just passed a $1.7 trillion spending bill after it passed the House and the Senate, and President Biden signed it into law. Biden signed it while on holiday in the Caribbean on the island of St. Croix. I've long advocated for politicians to

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