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Security tutorial - IT technology blog
Posted inSecurity

Detecting and Responding to a Hacked Server: A Practical Step-by-Step Guide

Posted by By admin February 28, 2026
A step-by-step guide to detecting and responding to a compromised Linux server: from manual command-line inspection and rootkit scanning with rkhunter/chkrootkit, to server isolation and setting up Fail2ban for long-term defense. Includes real commands and hands-on experience.
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Security tutorial - IT technology blog
Posted inSecurity

Complete Guide to Installing and Configuring OpenVPN on Ubuntu Server from A to Z

Posted by By admin February 28, 2026
A complete guide to installing and configuring OpenVPN on Ubuntu Server, covering everything from CA creation and client certificate signing to split tunneling configuration and security hardening tips drawn from real-world server audits.
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