Postfix is a high-performance, secure, and widely used Mail Transfer Agent (MTA). It handles the SMTP protocol for sending and relaying email. This guide installs and configures Postfix as an internet-facing SMTP server on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with a fully qualified domain name (FQDN) […]
Go (Golang) 1.24 is a statically typed, compiled language known for its performance, simplicity, and excellent concurrency support. It is widely used for cloud-native tools, microservices, and CLI applications. This guide installs Go 1.24 on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A user with sudo privileges Internet […]
Rust is a systems programming language that guarantees memory safety without a garbage collector through its borrow checker. It is used for WebAssembly, operating systems, game engines, and high-performance network services. This guide installs Rust via rustup on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A user account […]
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 […]
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 […]
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 […]
Netdata is an open-source, real-time performance monitoring tool that provides per-second metrics for CPUs, RAM, disks, network, processes, and hundreds of applications out of the box. It requires zero configuration to get started. This guide installs Netdata on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A user with […]
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 […]
ClamAV is the most popular open-source antivirus engine for Linux. While Linux malware is less common than on other platforms, ClamAV is valuable for scanning files shared with Windows users, email servers, and web upload directories. This guide installs and configures ClamAV on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu […]
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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