Cpu Memory

How to Configure SSH with FIDO2 Hardware Keys on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure SSH with FIDO2 Hardware Keys on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure ssh with fido2 hardware keys both straightforward and auditable. This tutorial covers the complete procedure for how to Configure SSH with FIDO2 Hardware Keys on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How to Build Grafana Dashboards for Linux Server Metrics on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Build Grafana Dashboards for Linux Server Metrics on RHEL 9

Grafana’s dashboard builder lets you turn raw Prometheus metrics into intuitive visualizations — stat panels for at-a-glance health, time series for trends, and bar gauges for comparisons. With Prometheus and Node Exporter already collecting Linux host metrics, you have everything needed to build a production-grade server dashboard. This tutorial walks through creating panels for CPU, […]

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How to Install AIDE for File Integrity on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install AIDE for File Integrity on RHEL 10

Introduction How to Install AIDE for File Integrity 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 Install rkhunter on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install rkhunter on RHEL 10

Introduction How to Install rkhunter 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 reproducible and production-safe. […]

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

How to Install ClamAV Antivirus on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying install clamav antivirus both straightforward and auditable. This tutorial covers the complete procedure for how to Install ClamAV Antivirus on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites Before you begin, […]

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How to Install Jaeger for Distributed Tracing on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Jaeger for Distributed Tracing on RHEL 9

Jaeger is a distributed tracing platform originally developed by Uber that helps developers visualise request flows across microservices, identify latency bottlenecks, and diagnose failures in complex systems. Each request is represented as a trace composed of spans — timed operations — that are collected from instrumented services and assembled into a service map. This guide […]

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How to Write a Custom SELinux Policy Module on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Write a Custom SELinux Policy Module on RHEL 10

Introduction How to Write a Custom SELinux Policy Module 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 […]

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How to Set Up OpenTelemetry Collector on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up OpenTelemetry Collector on RHEL 9

The OpenTelemetry Collector is a vendor-agnostic agent that receives, processes, and exports telemetry data — metrics, traces, and logs — from instrumented applications. Running a standalone Collector on RHEL 9 decouples your application code from the observability backend, making it easy to route data to multiple destinations or swap backends without redeploying services. This guide […]

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How to Configure SELinux Booleans for Custom Apps on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure SELinux Booleans for Custom Apps on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure selinux booleans for custom apps both straightforward and auditable. This tutorial covers the complete procedure for how to Configure SELinux Booleans for Custom Apps on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How to Monitor MySQL with Percona Monitoring and Management on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Monitor MySQL with Percona Monitoring and Management on RHEL 9

Percona Monitoring and Management (PMM) is a free, open-source platform built on top of Prometheus, VictoriaMetrics, and Grafana that provides deep visibility into MySQL and other database workloads. PMM separates concerns into a centralised Server component (delivered as a Docker image) and a lightweight Client agent that runs on each database host. This guide walks […]

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