Server security
The baseline every fresh server needs: a non-root sudo user, key-only SSH, a host firewall and fail2ban. Do these before opening anything to the internet.
How to Set Up fail2ban on Ubuntu & Debian: The Complete Server Guide
A complete guide to installing and configuring fail2ban on Ubuntu and Debian servers. Protect SSH and web services from brute-force attacks with automatic IP banning, custom jails, and ufw integration.
TutorialsHow to Set Up fail2ban on AlmaLinux, CentOS, Rocky Linux & Fedora: The Complete Server Guide
A complete guide to installing and configuring fail2ban on AlmaLinux, CentOS Stream, Rocky Linux, and Fedora servers. Protect SSH and web services from brute-force attacks with automatic IP banning and firewalld integration.
TutorialsHow to Secure SSH on Ubuntu & Debian: The Complete Server Guide
A complete guide to hardening SSH on Ubuntu and Debian servers. Disable root login, set up key-based authentication, change the default port, configure ufw, and lock down your VPS against brute-force attacks.
TutorialsHow to Secure SSH on AlmaLinux, CentOS, Rocky Linux & Fedora: The Complete Server Guide
A complete guide to hardening SSH on AlmaLinux, CentOS Stream, Rocky Linux, and Fedora servers. Disable root login, set up key-based authentication, change the default port, configure firewalld, and protect your VPS against brute-force attacks.
TutorialsHow to Configure UFW Firewall on Ubuntu & Debian: The Complete Server Guide
A complete beginner-friendly guide to setting up and configuring the Uncomplicated Firewall (UFW) on Ubuntu and Debian servers. Learn to allow SSH, block traffic, and secure your VPS.
TutorialsHow to Configure firewalld on AlmaLinux, CentOS, Rocky Linux & Fedora: The Complete Server Guide
A complete step-by-step guide to setting up firewalld on AlmaLinux, CentOS Stream, Rocky Linux, and Fedora servers. Learn how to manage zones, open ports, list services, and secure your VPS.
TutorialsHow to Create a Sudo User on Ubuntu & Debian: The Complete Server Guide
A complete beginner-friendly guide to creating a new user with sudo privileges on Ubuntu and Debian servers. Stop logging in as root and secure your VPS.
TutorialsHow to Create a Sudo User on AlmaLinux, CentOS, Rocky Linux & Fedora: The Complete Server Guide
A complete beginner-friendly guide to creating a new user with sudo privileges on AlmaLinux, CentOS Stream, Rocky Linux, and Fedora servers.
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