Automate Server Updates with Rollback Using a Bash Script

Welcome to the first edition of Task Automation Tuesday! Each week, we will share practical automation examples to make your life as a sysadmin easier. Whether you’re a seasoned pro or just starting out, these tips will help streamline your tasks and give you more time to focus on what matters. Today, we’re going to automate server updates using a Bash script with rollback functionality. Let’s dive in!
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Monadist Monday: An Introduction to Monads

Monadist Monday: An Introduction to Monads
Kick off our Monadist Monday series with a gentle introduction to the concept of monads, using simple Python examples. Discover how monads can help you write more readable, maintainable, and error-free code while managing side effects in a clean and modular way. Learn about the three fundamental laws of monads and explore the Maybe monad through practical examples. Join us every Monday as we delve deeper into the fascinating world of functional programming with monads.
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Mastering Server Management with Tmux

Discover the power of tmux, a versatile CLI tool that helps sysadmins automate and manage their servers efficiently. Learn how to use tmux to create persistent sessions, manage multiple windows and panes, and collaborate with team members in real-time. With practical examples and tips, you’ll master server management tasks and enhance your productivity.
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Exploring Lesser-Known Linux Command Line Tools

The Linux command line is a powerful tool in the hands of developers, sysadmins, and power users. While many are familiar with basic commands like ls, cd, and grep, there exists a treasure trove of lesser-known utilities that can significantly enhance productivity and streamline workflows. In this post, we’ll delve into some of these hidden gems and provide examples of how they can be used.
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Exploring Rust’s Memory Safety Features for Software Architects

To summarize, Rust is a sophisticated and fast programming language with memory safety characteristics that make it an excellent choice for developing robust and concurrent systems. Anyone can learn to build safe and efficient Rust code with the correct resources and guidance.
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Mastering the Ruby Object Model Tips and Tricks for Senior Developers

Master Ruby object model with tips on lookup path, singleton classes, and refinements for better code. Learn advanced concepts in Ruby’s object model, including method resolution, how to use singleton classes for object-specific methods, and applying refinements to enhance maintainability and control. This guide will help senior developers write more efficient, expressive, and elegant Ruby code.
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The Role of Open Source in Machine Learning and Artificial Intelligence

Explore the pivotal role of open source in advancing machine learning and AI through collaboration and innovation.
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How to Build a Successful Open Source Community

Build a thriving open source community with clear objectives, strong communication, and active participation. Learn how to establish goals, pick the right license, create an inclusive environment, and foster collaboration. Encourage transparency and cooperative effort to attract and retain engaged contributors and users.
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Howto Install Unifi Controller on Debian 11

Install Unifi Controller on Debian 11 with AWS, open ports, and detailed setup instructions. This guide provides step-by-step directions for creating an AWS instance, configuring security groups, upgrading Debian, installing necessary certificates, and running the installation script for Unifi Controller, including optional unattended installation with Let’s Encrypt certificates.
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Laravel Reset User Password With Tinker

Reset a user’s password in Laravel using Tinker with simple commands for AsgardCMS. This guide provides step-by-step instructions on opening Tinker, querying the user entity, and changing the password using Laravel’s Hash facade, making it easy to reset passwords in AsgardCMS or any Laravel application.
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Hardening SSH Service

Learn how to harden your SSH service with secure configurations and key-based authentication. This guide will walk you through setting up a public-private key pair, creating regular user keys, and configuring your SSH service for enhanced security. By following these steps, you will prevent root login, use non-standard ports, and ensure only key-based authentication is allowed, significantly improving your server’s security.
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