by Zen Admin | May 16, 2025 | Linux, Security, VPS
When launching a new VPS, security should be your top priority—right after installation. A poorly secured server can be compromised in minutes, especially if exposed to the internet. This guide provides a fast yet effective VPS security checklist tailored for Ubuntu...
by Zen Admin | May 7, 2025 | DevOps, Linux, Security, System Administration
In today’s threat-laden digital landscape, securing a Virtual Private Server (VPS) demands more than traditional perimeter-based defenses. Enter Zero Trust Architecture, a security model that assumes no trust—inside or outside the network—and verifies every access...
by Zen Admin | Apr 15, 2025 | Articles, Security
The cloud is everywhere. From storing your photos on Google Drive to streaming movies on Netflix, cloud technology powers much of our digital lives. But with so much personal and business data floating in the cloud, one question looms large: Is it safe? In this guide,...
by Zen Admin | Mar 18, 2025 | Linux, Security, System Administration
SSH (Secure Shell) is a powerful tool for remotely accessing Linux systems, but its default configuration can leave your server vulnerable to attacks. In this guide, we’ll walk through three key steps to harden your SSH setup: changing the default port, restricting...
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 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...
