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How to reboot a server safely via Command Line

Introduction Rebooting a server is a critical administrative task that may be necessary after installing system updates, applying configuration changes, or resolving performance and stability issues. Performing a safe reboot from the command line ensures that active processes are gracefully terminated, file systems are properly synced, and users are notified when necessary. This operation is

How to track and block Brute-Force Login Attempts on SSH

Introduction SSH brute-force attacks are one of the most common security threats faced by Linux servers exposed to the internet. These attacks involve automated scripts attempting to gain unauthorized access by trying thousands of username and password combinations. If left unchecked, brute-force attacks can lead to compromised systems, service slowdowns, or even server crashes due

How to unban an IP Address in Fail2Ban

Introduction Fail2Ban is a lightweight intrusion prevention system designed to automatically block suspicious IP addresses that exhibit malicious behavior—such as repeated failed login attempts—by updating firewall rules like iptables or TCP wrappers. It operates within defined “jails” that monitor specific services (for example, SSH, FTP, or web applications) and enforces temporary bans every time they

How to install Certify The Web on Windows Server

Introduction Certify The Web is a powerful application for Windows Servers that simplifies the process of obtaining and managing free SSL/TLS certificates from Certificate Authorities like Let’s Encrypt. It automates certificate issuance, renewal, and deployment to ensure your websites are always secured with HTTPS. This guide will walk you through the steps to install and