System & Network Admin

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.

commandline asciii kanban board for minimalist productivity hackers & managers (csv-based) #scriptable #nestable #statistics #singlefile #shellscript

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

Have you ever wanted to know the pieces that comprised a Docker image, without having to build a complete Software Bill of Materials first? Dive provides the insight.

Visualize the commit graph of your lakeFS repository from the command line to gain deeper insights into your data versioning. Read how.

Velociraptor is a sophisticated digital forensics and incident response tool designed to improve your insight into endpoint activities.

In this tutorial we show you the easiest way to see thumbnails for AVIF (AV1) images in the Nautilus file manager and other GTK apps.

Stream your media to your devices, whether they are TVs, smartphones, gaming consoles, computers, audio receivers, and more!

How I organize my work in plain text.

Learn how to customize RSS feeds in WordPress without code to help your visitors enjoy the content you produce.

🧡 Helping developers improve their apps with immediate, accurate and private analytics.