This guide shows you how to use the built-in firewall feature in the Tudcloud VPS control panel. With the firewall tool, you can manage your server’s network traffic by allowing or blocking specific ports and…
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In Ubuntu 24.04.2, modifying only the traditional SSH configuration file /etc/ssh/sshd_config often does not work — the port remains on 22.This is because Ubuntu 24.04.2 manages SSH via systemd socket activation, meaning both configuration files…
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Monitoring your VPS is critical for performance optimization and early detection of potential issues.In this guide, we’ll introduce some of the most useful command-line tools every system admin should know. ⚙️ 1. top — Real-Time…
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A firewall is one of the most essential layers of protection for your VPS.It helps you control which network traffic is allowed in or out of your server — reducing the risk of unauthorized access…
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Before you deploy your website or application, securing your VPS should be your top priority.Here are the most important security practices to keep your Linux server safe and stable. 1️⃣ Disable Root Login Edit the…
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Last updated: 2026
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