Networking

How to Configure Jenkins with HTTPS via Nginx on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure Jenkins with HTTPS via Nginx on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure jenkins with https via nginx both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Jenkins with HTTPS via Nginx on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How to Configure Prometheus Node Exporter on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Prometheus Node Exporter on RHEL 9

Prometheus Node Exporter is the standard agent for exposing hardware and operating system metrics from Linux hosts to a Prometheus server. It collects data on CPU usage, memory, disk I/O, network throughput, filesystem utilisation, and dozens of other system-level indicators, making them available via a simple HTTP endpoint on port 9100. Installing Node Exporter on […]

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How to Install Jenkins on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Jenkins on RHEL 10

Introduction This tutorial demonstrates how to Install Jenkins on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories enabled. Prerequisites […]

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How to Set Up Loki and Promtail for Log Aggregation on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up Loki and Promtail for Log Aggregation on RHEL 9

Grafana Loki is a horizontally scalable, highly available log aggregation system designed to be cost-effective by indexing only metadata labels rather than full log content. Promtail is its companion agent that tails log files and ships them to Loki. Compared to the ELK stack, Loki is significantly lighter on resources, making it an excellent choice […]

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How to Configure SSH Keys for GitHub on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure SSH Keys for GitHub on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure ssh keys for github both straightforward and auditable. This tutorial covers the complete procedure for how to Configure SSH Keys for GitHub on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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How to Install Graylog for Centralised Log Management on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Graylog for Centralised Log Management on RHEL 9

Graylog is an open-source centralised log management platform that collects, indexes, and analyses log data from across your infrastructure in one place. On RHEL 9, deploying Graylog 5.x gives operations teams powerful search, alerting, and dashboarding capabilities without relying on cloud-based log services. Graylog depends on MongoDB for metadata storage and OpenSearch (or Elasticsearch) for […]

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How to Install Git 2.45 on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Git 2.45 on RHEL 10

Introduction This tutorial demonstrates how to Install Git 2.45 on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories enabled. […]

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How to Sign Container Images with cosign on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Sign Container Images with cosign on RHEL 10

Introduction How to Sign Container Images with cosign on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]

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How to Scan Container Images with Trivy on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Scan Container Images with Trivy on RHEL 10

Introduction This tutorial demonstrates how to Scan Container Images with Trivy on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream […]

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How to Migrate Docker Compose to Podman Quadlet on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Migrate Docker Compose to Podman Quadlet on RHEL 10

Introduction This tutorial demonstrates how to Migrate Docker Compose to Podman Quadlet on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default […]

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