DKIM, SPF, and DMARC are email authentication standards that prevent spoofing and improve email deliverability. This guide configures all three on a Postfix server on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Postfix installed and running Access to your domain DNS records A user with sudo privileges […]
Go 1.22 introduces enhanced range-over-integer, improved standard library packages, and performance improvements. This guide installs the official Go 1.22 toolchain on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges Step 1 – Download Go 1.22 Download the official Go tarball from golang.org: cd […]
Rust is a systems programming language focused on safety, speed, and concurrency without a garbage collector. This guide installs the Rust toolchain using rustup, the official Rust installer, on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges Step 1 – Install Rust with […]
Java 21 LTS is the current Long-Term Support release of Java, featuring virtual threads (Project Loom), pattern matching, and record patterns. This guide installs OpenJDK 21 on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges Step 1 – Install OpenJDK 21 OpenJDK 21 […]
Traefik is a modern, cloud-native reverse proxy and load balancer that automatically discovers services and configures routing. It integrates natively with Docker, Kubernetes, and other orchestrators. This guide installs Traefik on Ubuntu 24.04 LTS with Docker. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Docker Engine and Docker Compose installed A […]
Let’s Encrypt provides free, automated SSL/TLS certificates via the ACME protocol. Certbot is the official Let’s Encrypt client. This guide installs Certbot and manages certificates for Nginx on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Nginx installed A domain name pointed to your server Port 80 and […]
Ubuntu 24.04 LTS uses Netplan to manage network configuration. By default, servers use DHCP which can result in IP address changes. This guide configures a static IP address using Netplan on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges Knowledge of your network […]
Prometheus is a powerful time-series monitoring system and Grafana is the leading visualisation dashboard. Together they form the most popular open-source monitoring stack. This guide installs both on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges Minimum 2 GB RAM Step 1 – […]
The ELK Stack (Elasticsearch, Logstash, Kibana) is the leading open-source log management and analytics platform. This guide installs ELK Stack 8.x on Ubuntu 24.04 LTS for centralised log collection and analysis. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Minimum 4 GB RAM (8 GB recommended) Java 21 installed A user […]
Zabbix 7 is an enterprise-grade open-source monitoring solution for networks, servers, and cloud services. This guide installs Zabbix Server 7.0 LTS on Ubuntu 24.04 LTS with MySQL and Nginx. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server MySQL 8.0 installed Nginx and PHP 8.3-FPM installed A user with sudo privileges Step […]
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