Monitoring Basics with Zabbix: Install, Triggers, and Dashboards Monitoring Basics with Zabbix: Install, Triggers, and Dashboards When running production infrastructure, monitoring is non-negotiable. Whether it’s a VPS fleet, a cluster of dedicated servers, or a hybrid setup across colocation and…
Let’s Encrypt on Nginx: Free SSL with Auto-Renew (2025) Let’s Encrypt on Nginx: Free SSL with Auto-Renew (2025) In 2025, HTTPS is no longer optional. Browsers flag HTTP as insecure, SEO rankings drop without TLS, and modern APIs often require…
Hardening a Linux Server for Production (CIS-style Checklist) Hardening a Linux Server for Production (CIS-style Checklist) A production Linux server must be secure, resilient, and compliant. Out-of-the-box defaults are not enough. Attackers actively scan the internet for misconfigured SSH, weak…
Ansible 101: Automate Server Provisioning the Right Way Ansible 101: Automate Server Provisioning the Right Way In 2025, automation is no longer optional. Sysadmins and DevOps engineers manage fleets of servers, often across multiple data centers and cloud providers. Manual…
WireGuard VPN on a VPS: Secure Your Infrastructure in 10 Minutes WireGuard VPN on a VPS: Secure Your Infrastructure in 10 Minutes WireGuard has quickly become the gold standard for VPNs. Lightweight, fast, and secure, it outperforms OpenVPN and IPSec…
Proxmox VE Setup Guide: From Bare Metal to High Availability Proxmox VE Setup Guide: From Bare Metal to High Availability Proxmox VE (Virtual Environment) is one of the most popular open-source virtualization platforms in 2025. It combines KVM for virtual…
Docker vs Virtual Machines: Pros, Cons, and When to Use Each Docker vs Virtual Machines: Pros, Cons, and When to Use Each Containers and virtual machines (VMs) are the foundation of modern infrastructure. In 2025, sysadmins, DevOps engineers, and architects…
How to Install & Optimize MariaDB/MySQL on a VPS (Step-by-Step) How to Install & Optimize MariaDB/MySQL on a VPS (Step-by-Step) MariaDB and MySQL remain the backbone of modern applications, from WordPress to enterprise SaaS platforms. On a VPS, proper installation…