System & Network Admin

It’s no surprise that systemd has become the init system of choice for both embedded and desktop Linux distributions – it’s modern, packed full of features and is able to replace an ever increasing number of ancient utilities and daemons. When compared to it’s predecessor (SysVinit) – it also provides a much greater scope for …

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In this guide, we look at some of the Apache server hardening tips and tricks that you can implement to strengthen the security of your web server.

In which I learn how to handle command-line options in bash. Will I ever use this again?

Quali Torque orchestrates YAML files — which can be thought of as blueprints — for application environments directly from the IaC modules defined in Git.

Programming book reviews, programming tutorials,programming news, C#, Ruby, Python,C, C++, PHP, Visual Basic, Computer book reviews, computer history, programming history, joomla, theory, spreadsheets and more.

As mentioned on previous posts, I have spent the past few weeks dealing with a ZFS crash on my FreeNAS install. Because of that, not only was I forced to learn how to troubleshoot ZFS, but I also had to learn how to setup new volumes and come up with new backup strategies (between a few other things).

Seeing the “This person is unavailable on Messenger” message in one of your convos? Learn why and how you can solve it.

Event-Driven by Oskar Dudycz

By understanding nodes, pods and clusters, developers can make informed decisions when designing, deploying, and managing applications on Kubernetes.

In this tutorial, we explore how to set up Apache name-based and IP-based virtual hosts in RHEL-based distributions such as Fedora, CentOS, Rocky and Alma Linux

By taking advantage of monitoring data, companies can ensure their infrastructure is performing optimally while reducing costs.

It’s not 'Alexa: build me a K8s cluster' but could become Ansible or Chef using models trained on log files to recommend what your app needs

Containers and virtual machines (VMs) are two popular ways to run workloads and applications in the cloud. While they share some similarities, there are a few key differences to understand before choosing one over the other.

The startup is taking on the challenge of automating cross-cloud ephemeral access not only for humans, but also for machine processes.

You can run GUI applications from within Docker containers, thanks to x11docker. Deploy custom containers from your own images and see how it works.

Learn how to use variables in Ansible playbook. In Ansible a variable is a placeholder that holds a value that can be used in a playbook.

#3: Read Now - Amazing Database Migration Technique (4 minutes)

Introduction Recently, I was exploring Hexmos' infrastructure, trying to learn all the steps involved in loading up the Feedback app in the browser. During my investigation of a packet's path to the server and analysis of the Nginx configuration file that governs how the web server handles incoming requests, I

Learn how to implement Relationship-Based Access Control (ReBAC) with OPA - an open source policy engine for controlling access to systems and resources.

Nostr is a decentralised social media protocol that stands for ‘Notes and Other Stuff Transmitted by Relays’. Here’s how to get started.

It’s time to focus on interactively shaping, then enforcing, the way your organization uses established policies to make an impact.

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The kernel-development community has recently been discussing a number of independent patches, each of which is intended to help improve the security of deployed systems in some way. They touch on a number of areas within the kernel, including the question of how widely io_uring should be available, how to allow virtual machines to attest to their integrity, and the best way to inform applications when their random-number generators need to be reseeded.

I used ChatGPT to write this intro, let me know if you think it is good or I should stick to plain and simple words of my own. IntroductionIn the era of cloud-native computing, where containerizatio