Grafana Unified Alerting, introduced in Grafana 9 and enabled by default in Grafana 10+, provides a centralised alerting engine that works across all data sources and replaces the older per-panel Legacy Alerting system. On RHEL 9, configuring Grafana alerting correctly means setting up contact points for notification delivery, building a notification policy routing tree that […]
Introduction Setting up install gitlab runner on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install GitLab Runner on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the […]
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 […]
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 […]
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. […]
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 […]
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. […]
Without a log rotation strategy, application log files will grow unbounded until they fill your disk and bring services down. Logrotate is the standard RHEL utility that automates log file rotation, compression, and cleanup on a scheduled basis with no daemon process required. It runs daily via a cron job and processes configuration rules you […]
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 […]
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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