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UFW (Uncomplicated Firewall) is the standard firewall front-end on Ubuntu and Debian. A correctly...
How to Detect and Remove Rootkits on a Linux VPS (rkhunter & chkrootkit)Rootkits are malicious tools designed to hide their presence while giving an attacker persistent...
How to Enable Automatic Security Updates on Ubuntu & DebianUnpatched software is one of the most common ways servers get compromised. The...
How to Enable Two-Factor Authentication (2FA) for SSH on a Linux VPSTwo-Factor Authentication (2FA) adds a second layer of protection to SSH: even if your password...
How to Harden a Fresh Linux VPS in 15 MinutesThis is a condensed, copy-paste-ready runbook for securing a brand-new Ubuntu or Debian VPS...
How to Install and Configure Fail2Ban on Ubuntu & Debian (Complete Guide)Fail2Ban monitors your server's log files and automatically blocks (bans) IP addresses that show...
How to Monitor Auth Logs and Detect Intrusion Attempts on a Linux VPSYour server's authentication logs record every login attempt, successful or failed. Reviewing...
How to Set Up Automated VPS Backups (rsync, cron & Off-Site Storage)A firewall and hardened SSH configuration protect against intrusion, but nothing protects against...
SSH Hardening: Change the Port, Disable Root Login & Use SSH Keys (Ubuntu & Debian)SSH is the front door to your VPS — and by default it listens on a well-known port, often...
VPS Security Checklist for Beginners: 12 Essential StepsEvery new VPS is deployed with default settings that are convenient but not secure. This...
