Multithreading in Python enables concurrent execution by allowing you to run multiple threads (smaller units of a program) simultaneously. This can be particularly advantageous for I/O-bound tasks. However, when employing multithreading, it’s crucial to grasp the benefits, constraints, and recommended practices. Basics of Multithreading: 1. Creating Multiple Threads: To spawn multiple threads, you can instantiate several instances…

Introduction When writing unit tests in Python, you often need to mock or replace parts of your code to isolate the functionality you want to test. The unittest.mock library provides several powerful tools for this purpose, including MagicMock, @patch, and @patch.object. …

Learn how we implemented a systematic approach to reduce our AWS costs and improve resource management. Disclaimer: I’m no longer working for the company that we implemented this strategy in. Therefore we redacted all the information related to the company. Introduction: Managing cloud infrastructure costs can be a challenging task for…

Completely ditch docker for desktop in MacBooks. Use podman! This work in M1 and Intel MacBooks. Podman quick start on MacOS (Non M1) Install or upgrade brew upgrade brew install podman Tested on Macbook Pro M1 Chip 16 Inch 2021 Macbook Pro Intel Chip 15 Inch 2015 Commands ❯ podman machine init ❯ podman machine start ❯ podman run --rm -d -p…

It has been a tough year for all of us. Pandemic forced us to rethink our personal as well as our professional lives. One of the consequences of the pandemic is we were all forced to work from home and scrambled to allow access to our office networks. Another big…

Setting up: key generation This generates a public/private keypair. $ gpg --gen-key $ gpg --list-secret-keys Import a private key (e.g. to copy it from one computer to another): $ gpg --allow-secret-key-import --import "my private key.txt" Show all public keys $ gpg --list-keys Show all secret keys with details $ gpg --list-secret-keys --keyid-format LONG…

First off, CDN failover sounds like a euphemism? Aren’t CDNs (Content Distribution Network) primary purpose to provide high availability and performance to your servers? Disclosure: Kenichi does not own any shares of AWS, Cloudflare or Fastly. April 9, 2021. But is planning to acquire them in the near future. Yes…

On October 30, 2020 Docker Inc. announced docker pull rate limits will be implemented. This caused CI builds to be rate limited and fail. One way to solve being rate limited by Docker Hub is to set up your own Docker Registry. Github Packages now supports Docker Registry One of…

What I learned from being a cloud solution architect. Your first and foremost job is to explain and understand the context of any conversation and architecture. Options are your bread and butter make as many of them as possible. Gregor Hohpe and the architectelevator.com …