Linux Tutorials
Turn Off Terminal Beep Sound on Linux
The terminal beep – also called the bell – is the sound Linux plays when you hit Tab…
Month: March 2026
Kubernetes
Enable CloudWatch Logging in EKS Kubernetes Cluster
Running workloads on Amazon EKS without centralized logging is flying blind. When a pod crashes at 3 AM…
How To
Amazon EKS Autoscaling Based on Cluster Metrics
Amazon EKS supports multiple autoscaling mechanisms that adjust pod count, pod resources, and cluster node capacity based on…
Containers
Configure Chrony NTP on OpenShift / OKD 4.x
Chrony is the default NTP implementation on Red Hat CoreOS (RHCOS) and Fedora CoreOS (FCOS), which form the…
How To
Allow Insecure Registries in OpenShift / OKD 4.x
OpenShift and OKD 4.x enforce TLS verification on all container image pulls by default. In production, this is…
How To
Fix Vagrant SSH Authentication Failure After Packaging Box
Vagrant replaces the default insecure SSH key with a new keypair during the first vagrant up. When you…
AlmaLinux
Install PHP on AlmaLinux 10 / Rocky Linux 10 / RHEL 10
PHP is the most widely used server-side scripting language for web development. It powers major platforms like WordPress,…
Databases
Install ArangoDB on Ubuntu 24.04 / Debian 13
ArangoDB is a multi-model NoSQL database that combines document, graph, and key-value data models in a single engine.…
Windows
Add DNS Forward Lookup Zone in Windows Server 2025
A forward lookup zone is the most common DNS zone type – it resolves hostnames to IP addresses.…
Databases
Install Dgraph Graph Database on Ubuntu 24.04
Dgraph is a distributed, transactional graph database built for production workloads. It uses a native GraphQL-like query language…
macos
Change Screenshots Directory in macOS
macOS saves all screenshots to the Desktop by default. If you take screenshots frequently – for documentation, bug…
How To
Install MantisBT Bug Tracker on Ubuntu 24.04
MantisBT is a free, open-source bug tracking system built with PHP and MySQL/MariaDB. It provides a simple web…