Securing SSH Access SSH is the main entry point to your server. Hardening it is one of the most...

Setting Up a Firewall with UFW UFW (Uncomplicated Firewall) makes managing firewall rules...

Installing Fail2Ban Fail2Ban monitors your log files and automatically bans IP addresses that...

Setting Up Let's Encrypt SSL Certificates Let's Encrypt provides free, trusted SSL certificates....

Scanning for Rootkits Rootkits are malware that hide from standard detection tools. Two widely...

Setting Up Two-Factor Authentication for SSH Adding 2FA to SSH requires both your SSH...

Setting Up a WireGuard VPN Server WireGuard is a modern, fast, and secure VPN protocol. It is...

Setting Up an OpenVPN Server OpenVPN is a battle-tested VPN solution with broad client...

How to Respond to a Compromised Server If you suspect your server has been hacked, act quickly...

Disabling Unused Services to Reduce Attack Surface Every running service is a potential entry...

Linux Server Security Audit Checklist Run through this checklist monthly to maintain a secure...

Installing and Using ClamAV Antivirus ClamAV is a free, open-source antivirus engine for Linux....