How to Configure WSUS for Automated Patch Management on Windows Server 2012 R2 Windows Server Update Services (WSUS) is Microsoft’s enterprise patch management solution that allows administrators to approve, deploy, and report on Windows and Microsoft software updates across their environment from a central server. By hosting updates internally, WSUS reduces external bandwidth consumption, gives […]
SonarQube is an open-source platform for continuous code quality inspection, detecting bugs, vulnerabilities, and code smells. This guide installs SonarQube on Ubuntu 24.04 LTS with PostgreSQL 16. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Minimum 2 GB RAM (4 GB recommended) Java 21 installed PostgreSQL 16 installed A user with […]
Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure racf integration on ibm aix 7.1 on IBM […]
How to Configure Chocolatey for Package Management on Windows Server 2012 R2 Chocolatey is the de facto package manager for Windows, providing a command-line interface for installing, updating, and removing software packages in a repeatable, scriptable, and auditable way. On Windows Server 2012 R2, Chocolatey works extremely well and is one of the most effective […]
NFS (Network File System) allows Linux systems to share directories over a network. It is the standard protocol for shared storage in Linux environments, used for home directories, media servers, and cluster storage. This guide sets up an NFS server and client on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu […]
kubeadm is the official tool for bootstrapping a production-grade Kubernetes cluster. This guide installs Kubernetes 1.30 on Ubuntu 24.04 LTS using kubeadm on a single control-plane node with worker nodes. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS servers (1 control-plane + at least 1 worker) Minimum 2 vCPUs and 2 GB […]
WireGuard is a modern, high-performance VPN protocol built into the Linux kernel. It is faster and simpler than OpenVPN and IPsec, using state-of-the-art cryptography. This guide sets up a WireGuard VPN server on Ubuntu 26.04 LTS and connects a client. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server with a public […]
AppArmor (Application Armor) is a Linux kernel security module that restricts program capabilities using per-program profiles. It is enabled by default on Ubuntu and provides Mandatory Access Control (MAC) to contain the blast radius of exploited applications. This guide manages AppArmor profiles on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu […]
Lynis is an open-source security auditing tool for Linux systems. It performs in-depth security scans of the system configuration, checks for vulnerabilities, and provides detailed hardening recommendations with a scored report. This guide runs a Lynis audit on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A user with […]
Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use aix enterprise identity mapping (eim) on ibm aix […]
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