Logrotate prevents log files from consuming all available disk space by automatically rotating, compressing, and deleting old log files. Ubuntu uses logrotate by default for system logs. This guide configures logrotate for system and custom application logs on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A user with […]
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 […]
LVM (Logical Volume Manager) abstracts physical storage into flexible logical volumes that can be resized, snapshotted, and migrated without downtime. It is ideal for servers where storage requirements change over time. This guide configures LVM on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS One or more physical disks […]
Software RAID with mdadm provides data redundancy and performance improvements using standard hardware without a dedicated RAID controller. RAID 1 (mirroring) protects against single disk failure, while RAID 5 and 6 provide space efficiency with fault tolerance. This guide creates a RAID 1 array on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS […]
OpenSSL is a toolkit implementing the SSL/TLS protocols and providing a full-featured cryptographic library. Understanding how to generate, inspect, and manage SSL certificates is fundamental for securing web servers, APIs, and internal services. This guide covers certificate generation with OpenSSL on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS […]
Login banners and MOTD (Message of the Day) serve both legal and operational purposes: they warn unauthorised users, satisfy compliance requirements (PCI-DSS, HIPAA, SOC 2), and display important system information to admins. This guide configures SSH banners and MOTD on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A […]
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 […]
Node.js 20 is the current Long-Term Support (LTS) release, offering improved performance, the experimental Permissions Model, and a stable test runner. This guide installs Node.js 20 LTS on Ubuntu 24.04 LTS using the official NodeSource repository. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges Step 1 […]
Jenkins is the most widely used open-source automation server. It supports building, testing, and deploying software through pipelines defined as code (Jenkinsfile). This guide installs Jenkins LTS on Ubuntu 26.04 LTS and secures it behind Nginx with HTTPS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Java 21+ (OpenJDK) Nginx installed […]
Gitea is a lightweight, self-hosted Git service written in Go. It provides a GitHub-like interface with repositories, issues, pull requests, and actions CI/CD, but runs on minimal hardware. This guide installs Gitea on Ubuntu 26.04 LTS with Nginx and a PostgreSQL database. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Nginx […]
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