Introduction This tutorial covers How to Configure Persistent Volumes in Kubernetes on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Disable Swap swapoff -a sed -i ‘/ […]
Introduction This tutorial demonstrates how to Install PostgreSQL on Oracle Linux 8 on Oracle Linux 8. 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 8 system with the default AppStream […]
How to Configure Always On VPN with Windows Server 2012 R2 Always On VPN is a remote access solution that provides seamless, persistent VPN connectivity for domain-joined Windows clients. Unlike traditional VPN solutions that require users to manually initiate connections, Always On VPN automatically establishes and maintains VPN tunnels without user intervention. On Windows Server […]
🟡 Medium ⏱ 5–30 min Last verified: 24 February 2021 Affected versions: 14.04 LTS 📖 ~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 This tutorial demonstrates how to Configure Vault PKI Secrets Engine on Oracle Linux 8 on Oracle Linux 8. 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 8 system with […]
DNS is a robust system that is absolutely essential in modern internet communication. Through a combination of delegation, redundancy, and caching, a client can receive the precise address of any of the system’s servers or sites by querying a complex network of computers for a simple name. In this article, we will discuss some of the different kinds of DNS servers that work together to make this possible. We will go over the advantages of each type and why you would choose one over another.
🟡 Medium ⏱ 5–30 min Last verified: 23 February 2021 📖 ~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 install nexus repository on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Nexus Repository on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to keep in […]
Introduction to System State Backup and Bare Metal Recovery System State Backup and Bare Metal Recovery (BMR) are two of the most critical recovery capabilities for Windows Server 2019. A system state backup captures the minimal set of OS components required to recover a server’s role configuration: the Windows Registry, COM+ Class Registration Database, boot […]
Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure ibm spectrum protect (tsm) client on ibm aix […]
