How to Install and Use Podman with systemd Socket Activation on RHEL 7 Podman is a daemonless container engine developed by Red Hat that provides a Docker-compatible CLI while operating without a central privileged daemon. On RHEL 7, Podman integrates deeply with systemd, enabling containers to be managed as first-class system services, started on-demand via […]
How to Set Up OpenTelemetry Collector on RHEL 7 OpenTelemetry is the emerging industry standard for collecting telemetry data — traces, metrics, and logs — from applications and infrastructure. The OpenTelemetry Collector acts as a vendor-agnostic pipeline component that receives telemetry from instrumented applications, processes it, and exports it to one or more backends such […]
OpenLiteSpeed is the open-source edition of LiteSpeed Web Server and delivers significantly higher PHP throughput than Apache or standard Nginx for WordPress and other PHP-heavy applications. Unlike traditional web servers, OpenLiteSpeed uses its own event-driven architecture and a tight integration with the LSPHP interpreter to handle thousands of concurrent connections with minimal RAM. On RHEL […]
How to Install and Configure RabbitMQ on RHEL 7 RabbitMQ is one of the most widely deployed open-source message brokers in the world. It implements the Advanced Message Queuing Protocol (AMQP) and provides reliable message delivery, flexible routing, and support for multiple messaging patterns including work queues, publish/subscribe, and request/reply. Applications use RabbitMQ to decouple […]
How to Configure Bridge Networking on RHEL 7 A network bridge is a Layer 2 virtual switch that connects multiple network interfaces, allowing them to share a single network segment. On RHEL 7, bridge networking is essential for virtualization with KVM — virtual machine interfaces are typically attached to a bridge so VMs appear as […]
Node.js is a JavaScript runtime built on Chrome’s V8 engine, widely used for building fast, scalable network applications, REST APIs, and real-time services. RHEL 8 provides Node.js through two channels: the built-in AppStream module system and the NodeSource third-party repository, which typically offers newer LTS releases. This tutorial covers both installation methods, verifying the installation, […]
How to Monitor Disk Usage with df, du, lsblk and ncdu on RHEL 7 Running out of disk space is one of the most disruptive events in a production Linux environment — it can crash databases, halt web servers, and fill system logs with errors. Proactive disk usage monitoring is therefore a non-negotiable part of […]
How to Install GitLab CE on RHEL 7 GitLab Community Edition is a complete DevOps platform that bundles source code management, issue tracking, CI/CD pipelines, container registry, and wiki functionality into a single self-hosted application. Installing GitLab CE on Red Hat Enterprise Linux 7 is straightforward using the official Omnibus package, which packages all dependencies […]
Microsoft’s .NET 8 runtime and SDK are available for RHEL 8 directly from Red Hat’s AppStream and Microsoft’s package feed, making it straightforward to run modern ASP.NET Core applications on enterprise Linux. This tutorial covers installing the .NET 8 SDK, scaffolding a minimal Web API project, running it for local testing, publishing a self-contained Release […]
Ansible is the leading open-source automation engine for configuration management, application deployment, and orchestration. On RHEL 8, you can install Ansible from the Extra Packages for Enterprise Linux (EPEL) repository or directly via pip3, giving you flexibility depending on your environment. This tutorial walks through both installation methods, basic inventory configuration, and running your first […]
