Introduction This tutorial demonstrates how to Configure PHP Session Handling on CentOS Stream 10 on CentOS Stream 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 CentOS Stream 10 system with the […]
Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying install jaeger tracing both straightforward and auditable. This tutorial covers the complete procedure for how to Install Jaeger Tracing 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, […]
Introduction Setting up set up a docker swarm cluster on centos stream 10 on a CentOS Stream 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up a Docker Swarm Cluster on CentOS Stream 10, with all the commands you need, the SELinux […]
Introduction Setting up install mysql 8.4 on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install MySQL 8.4 on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the […]
Introduction How to Manage Python Versions with pyenv 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 […]
🟠 High ⏱ 15–60 min Last verified: 12 July 2025 Affected versions: CentOS Stream 10 📖 ~4 min read • Source: AlmaLinux/RHEL advisory ALSA-2025:20181 Related CVEs: CVE-2025-6020 Upstream summary: Pluggable Authentication Modules (PAM) provide a system to set up authentication policies without the need to recompile programs to handle authentication. Security Fix(es): * linux-pam: […]
Introduction Setting up set up k3s lightweight kubernetes on centos stream 10 on a CentOS Stream 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up K3s Lightweight Kubernetes on CentOS Stream 10, with all the commands you need, the SELinux and firewalld […]
Introduction Setting up back up mariadb with mariabackup on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Back Up MariaDB with mariabackup on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]
🟠 High ⏱ 5–30 min Last verified: 11 July 2025 Affected versions: Windows Server 2025 📖 ~2 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 […]
Fail2Ban monitors log files and automatically bans IP addresses showing brute-force patterns. This guide installs and configures Fail2Ban on Ubuntu 24.04 LTS to protect SSH and other services. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges UFW or iptables installed and active Step 1 – Install […]
