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Linux Server Hardening Checklist for Self-Hosters You spun up a server, installed Docker, and deployed a dozen services. Everything works. But your SSH port is open to the world with password auth, you’re running everything as root, and your firewall is… what firewall? Most self-hosting guides skip security entirely. This one doesn’t. Here’s a practical, ordered checklist to harden your Linux server without breaking the services running on it. Who This Is For Anyone running a self-hosted server — whether it’s a Raspberry Pi on your desk, a mini PC in the closet, or a VPS at Hetzner. You don’t need to be a sysadmin. You just need a terminal and 30 minutes. ...

How to Set Up Fail2ban: Protect Your Server from Brute-Force Attacks If you expose your home server to the internet, automated attacks will find it. Within minutes of opening SSH or a web service, bots start hammering your server with login attempts. Fail2ban is your automated security guard. It monitors logs for suspicious activity (repeated failed logins, exploit attempts) and automatically bans offending IP addresses via firewall rules. In this guide, you’ll learn to install and configure Fail2ban to protect SSH, web services, and more. ...

Securing Your Home Server: Essential Steps Every Self-Hoster Should Take Running a home server gives you control over your data and services, but it also makes you responsible for security. Unlike managed cloud services, you are the sysadmin. One misconfiguration could expose your personal data, family photos, or entire network to attackers. The good news? Securing a home server isn’t rocket science. Follow these essential steps and you’ll be miles ahead of most self-hosters. ...