RHEL 8

How to Set Up a Git Server with Gitea on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up a Git Server with Gitea on RHEL 8

Gitea is a lightweight, self-hosted Git service written in Go that provides a GitHub-like web interface with a tiny resource footprint — ideal for teams that want a simple hosted Git server without the overhead of a full GitLab installation. On RHEL 8, Gitea can be set up in under an hour using a single […]

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Common Problems 115049

RHEL 8 – auditd Backlog Limit Exceeded and Events Dropped

🟡 Medium   ⏱ 5–30 min  Last verified: 20 October 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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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 […]

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Common Problems 115015

LVM Filesystem Full Despite Free Space in VG

🟡 Medium   ⏱ 5–30 min  Last verified: 18 October 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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How to Install and Configure AIDE on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure AIDE on RHEL 8

AIDE (Advanced Intrusion Detection Environment) is a host-based intrusion detection tool that detects unauthorized changes to files and directories by comparing a live system snapshot against a baseline database. On RHEL 8, AIDE is available directly from the standard repositories and integrates cleanly with systemd for scheduled integrity checks. Detecting modified binaries, configuration files, or […]

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Common Problems 115084

Leapp Preupgrade Reports Blockers for RHEL 8 Minor Upgrade Path

🟡 Medium   ⏱ 5–30 min  Last verified: 16 October 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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Common Problems 114895

DNF Metadata Expired Causing Slow or Failed Updates

🟡 Medium   ⏱ 5–30 min  Last verified: 16 October 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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How to Deploy a Node.js Application with PM2 on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Deploy a Node.js Application with PM2 on RHEL 8

PM2 is a production-grade process manager for Node.js applications that handles automatic restarts on crashes, log aggregation, clustering, and startup script generation for Linux init systems including systemd. Unlike running Node.js directly with node app.js, PM2 keeps your application alive across failures and server reboots without writing custom systemd unit files for every project. On […]

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How to Install and Configure OpenVPN on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure OpenVPN on RHEL 8

OpenVPN is a mature, battle-tested VPN solution that uses TLS for control-channel encryption and supports both UDP and TCP transports, making it highly adaptable to restrictive network environments. On RHEL 8 it is available from the EPEL repository, and the Easy-RSA toolkit simplifies the PKI management needed to issue server and client certificates. This guide […]

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How to Set Up a Kubernetes Dashboard on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up a Kubernetes Dashboard on RHEL 8

The Kubernetes Dashboard is a web-based UI that gives cluster operators a visual overview of workloads, services, namespaces, and resource utilization without dropping into kubectl for every task. On RHEL 8 with a running Kubernetes cluster, deploying the dashboard takes only a few kubectl commands. This tutorial covers installation, creating a service account with the […]

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