Introduction Setting up configure postgresql replication on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure PostgreSQL Replication on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to keep in […]
🟡 Medium ⏱ 5–30 min Last verified: 31 October 2023 📖 ~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 […]
Introduction Deploying install helm package manager for kubernetes on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites […]
Introduction This tutorial demonstrates how to Install Redis on CentOS Stream 9 on CentOS Stream 9. 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 9 system with the default AppStream […]
Introduction This tutorial demonstrates how to Secure Apache with Let’s Encrypt on Oracle Linux 9 on Oracle Linux 9. 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 Oracle Linux 9 system with […]
Introduction Deploying set up open-iscsi on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, […]
🟡 Medium ⏱ 5–30 min Last verified: 30 October 2023 Affected versions: Debian 12 📖 ~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 & […]
Introduction Setting up set up fluxcd on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up FluxCD on CentOS Stream 9, with all the commands you need, the SELinux and firewalld considerations to keep in […]
🟡 Medium ⏱ 5–30 min Last verified: 29 October 2023 📖 ~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 […]
Introduction Setting up set up luks disk encryption on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up LUKS Disk Encryption on Oracle Linux 9, with all the commands you need, the SELinux and firewalld […]
