Red Hat Enterprise Linux

How to Install and Use Fluentd for Log Aggregation on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Use Fluentd for Log Aggregation on RHEL 8

Fluentd is a unified logging layer that collects logs from multiple sources, parses and transforms them, and forwards the output to destinations such as Elasticsearch, S3, or another Fluentd aggregator. On RHEL 8, the Treasure Data package td-agent provides a supported, RPM-based distribution of Fluentd that integrates with systemd and works alongside your existing application […]

Read more
How to Configure Prometheus AlertManager on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Prometheus AlertManager on RHEL 8

Prometheus AlertManager handles alert routing, grouping, and silencing so that your monitoring stack delivers the right notifications to the right people at the right time. On RHEL 8, deploying AlertManager as a systemd service gives you a production-ready setup that starts automatically on boot and integrates cleanly with an existing Prometheus instance. This tutorial walks […]

Read more
How to Set Up a Local Container Registry with Harbor on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up a Local Container Registry with Harbor on RHEL 8

Harbor is an enterprise-grade, open-source container registry that extends the base OCI registry specification with role-based access control, project isolation, image vulnerability scanning powered by Trivy, and cross-datacenter image replication. Running your own Harbor instance on RHEL 8 gives your team a private, auditable registry with no bandwidth costs or rate-limiting imposed by Docker Hub. […]

Read more
How to Use Makefile for Build Automation on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Use Makefile for Build Automation on RHEL 8

GNU Make is one of the oldest and most reliable build automation tools in software development, yet it remains deeply relevant in modern DevOps workflows. A Makefile acts as a self-documenting command runner that codifies every build, test, lint, and deploy action in a single file that any developer or CI system can invoke with […]

Read more
How to Install and Configure Drone CI on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure Drone CI on RHEL 8

Drone CI is a lightweight, container-native continuous integration platform that runs every pipeline step inside an isolated Docker container. Its pipeline definition lives entirely in a .drone.yml file committed alongside your source code, making pipelines version-controlled and reproducible by default. In this tutorial you will install Docker CE on RHEL 8, deploy a Drone Server […]

Read more
How to Install and Use Podman with Buildah on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Use Podman with Buildah on RHEL 8

Buildah is a Red Hat–sponsored command-line tool for building OCI-compliant container images without requiring a Docker daemon or root privileges. It ships in the default RHEL 8 AppStream repository alongside Podman, making it a natural fit for secure, rootless CI/CD pipelines. In this tutorial you will install Buildah and Podman on RHEL 8, build images […]

Read more
How to Install Packer for Machine Image Automation on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Packer for Machine Image Automation on RHEL 8

Packer, created by HashiCorp, is an open-source tool that automates the creation of identical machine images for multiple platforms from a single source configuration. Whether you need an AWS AMI, a QEMU disk image for local testing, or a VMware template, Packer lets you define the entire build in code using HCL2 templates. In this […]

Read more
How to Set Up Vagrant and VirtualBox on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up Vagrant and VirtualBox on RHEL 8

Vagrant is a command-line tool for building and managing reproducible virtual machine environments, and when paired with VirtualBox it gives developers a fast, portable way to spin up isolated Linux VMs on a RHEL 8 host. Using a declarative Vagrantfile, you can define the base box, network settings, shared folders, and provisioning scripts so that […]

Read more
How to Install Nexus Repository Manager on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Nexus Repository Manager on RHEL 8

Nexus Repository Manager by Sonatype is a universal artifact repository that proxies public registries, hosts private packages, and groups repositories behind a single URL for Maven, npm, PyPI, Docker, and many other formats. Installing it on RHEL 8 gives your CI/CD pipeline a central artifact store that reduces external network calls and enforces governance over […]

Read more
How to Install and Configure SonarQube on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure SonarQube on RHEL 8

SonarQube is an open-source static analysis platform that inspects code quality, detects bugs, security vulnerabilities, and code smells across more than thirty programming languages. On RHEL 8, SonarQube requires a Java 17 runtime, a PostgreSQL database for persistent storage, and several Linux kernel tuning parameters to run reliably. This tutorial guides you through every installation […]

Read more
CHAT