Security
How to Secure Your Server with DenyHosts on Ubuntu 24.04
Learn how to secure your Ubuntu 24.04 server using DenyHosts. Block SSH brute-force attacks with this easy, step-by-step guide.
The journal.
Practical guides for choosing, building,
and running your infrastructure.
Featured guide
How To Create Django Models
In this tutorial, we will show you how to create Django models to effectively manage and organize your data.
Read the guideThe library
Find your next guide.
Sort: Newest updated
26 articles Security · “Linux”
Debian
How to Set Up UFW Firewall on Debian 12
Learn how to set up UFW Firewall on Debian 12. Configure firewall rules to secure your system and control network traffic easily.
AlmaLinux 9
How to set up Fail2Ban on AlmaLinux 9
Enhance security of your AlmaLinux 9 server with Fail2Ban. Install & configure EPEL and Fail2Ban for robust protection.
Rocky Linux
Install Fail2Ban on Rocky Linux 8
Improve the security of your Rocky Linux 8 server with Fail2Ban & iptables. Follow our step-by-step guide to get the protection you need!
Alma Linux 8
Installing Fail2Ban on AlmaLinux 8: A Comprehensive Guide
Keep your AlmaLinux 8 server safe with Fail2Ban. Learn the step-by-step process for installing, configuring, and protecting with this guide
Ubuntu
Securing SSH with Fail2ban on Ubuntu 23.10: Step-by-Step Guide
Protect your SSH w/ Fail2Ban on Ubuntu 23.10 & keep out malicious attacks & unauthorized attempts. Install the Fail2Ban package now!
Explore the archive.
Browse practical guides by the problem you’re solving.