You have probably noticed a fair few people walking around with smartwatches. The trend might be causing you to scratch your head, trying to figure out what the fuss is all about. There are multiple brands that are decently known for manufacturing smartwatches, though Apple (unsurprisingly) is probably at the top. Whether it is curiosity … Read more
Introduction Secure Shell (SSH) is an essential tool for system administrators, developers, and IT professionals. It provides a secure way to access a remote server, making it an invaluable resource for managing systems remotely. For users of Ubuntu, one of the most popular Linux distributions, setting up SSH can greatly enhance the system’s usability and … Read more
Introduction In the world of text editing, Vim stands out as a powerful, keyboard-centric editor that prioritizes efficiency and speed. Originating from the Unix environment, Vim (Vi Improved) is known for its versatility and the high level of productivity it offers once you get past its steep learning curve. In this article, we’ll delve into … Read more
The digital world thrives on security and trust. One of the foundational aspects of this trust is the SSL/TLS certificate, the backbone of HTTPS. As the internet matures, so does the need for improving the certificate issuance process. Enter the CAA (Certificate Authority Authorization) DNS record. What is a CAA DNS Record? CAA, or Certificate … Read more
The world of cloud computing has never been more accessible or diverse. As organizations migrate to the cloud, AWS (Amazon Web Services) stands out as a go-to solution, especially its VPC (Virtual Private Cloud) service. In this introduction, we delve deep into AWS VPC routing, demystifying its core concepts and how they contribute to an … Read more
Hello everyone, I wanted to share some important updates from Amazon Web Services (AWS) that could impact how you use their services. AWS has announced a new charge for public IPv4 addresses, effective from February 1, 2024. This change will see a charge of $0.005 per IP per hour for all public IPv4 addresses, whether … Read more
Introduction Docker has revolutionized the way we develop, package, and deploy applications. It provides a consistent environment for applications to run, from development to production, reducing the “it works on my machine” problem. One of the most powerful features Docker has introduced is multi-stage builds. This feature helps us create lean, efficient containers without the … Read more
The use of Docker in contemporary software development is widespread, and for good reason. Docker helps developers build lightweight and portable software containers that simplify application deployment. One of the most powerful commands in Docker’s command-line interface (CLI) is the docker run command. However, its vast number of options can make it a bit daunting … Read more
As a beginner in MySQL, you might encounter an error message that reads “ERROR 1819 (HY000): Your password does not satisfy the current policy requirements.” This error is not a bug, but a built-in security feature of MySQL that ensures users set strong passwords. This tutorial will guide you through understanding this error and how … Read more