by Zen Admin | Mar 3, 2025 | Linux, Security, System Administration, Tutorials
A firewall is your Ubuntu server’s first line of defense, and setting it up doesn’t have to be complicated. Ubuntu’s Uncomplicated Firewall (UFW) makes securing your system easy, even if you’re new to Linux. In this guide, we’ll walk you through how to set up a basic...
by Zen Admin | Feb 27, 2025 | ARM64, System Administration, VPS
When your website starts pulling in serious traffic — thousands of visitors daily, spiking during launches or campaigns — your hosting setup becomes the backbone of its success. Shared hosting, the go-to for small sites, quickly buckles under pressure, leaving you...
by Zen Admin | Feb 26, 2025 | Linux, Security, System Administration, Tutorials, VPS
Secure Shell (SSH) is a cornerstone of secure remote access in Linux environments. While password-based authentication is common, SSH key authentication offers superior security and convenience. By using cryptographic keys instead of passwords, you eliminate the risk...
by Zen Admin | Feb 25, 2025 | Linux, Tutorials
The grep command in Linux is a powerful tool for searching text patterns within files or input streams. Whether you’re a system administrator, developer, or casual user, mastering grep can save you time when sifting through logs, code, or data. Let’s dive into...
by Zen Admin | Feb 25, 2025 | Tutorials, VPS
When it comes to hosting a website, application, or online project, choosing the right VPS plan can make or break your success. Virtual Private Server (VPS) hosting offers a balance of affordability, control, and performance, but with so many options available, how do...