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How to Protect Your Domain with CloudflareHide your origin IP behind Cloudflare and stop L7 and L4 attacks.

How to change the SSH port in LinuxMove SSH off port 22 safely on Debian, Ubuntu, AlmaLinux and Rocky, including firewall, SELinux and Ubuntu 24.04. How to fix yum update on CentOS 7CentOS 7 mirrors are gone. Point yum at the archive with one command, and plan the move to a supported system. How to install Coolify on your VPSInstall Coolify, the self-hosted platform to deploy apps and databases, secure it and put it on your own domain. How to encrypt a disk on your VPS with LUKS2Encrypt an extra disk or a container file on your KVM VPS with LUKS2: install, unlock after reboot, passphrases and header backup. How to log in with SSH keys and turn off passwordsCreate an SSH key on Windows, macOS or Linux, add it to your VPS and disable password logins safely.

How to set up Windows Server 2012 R2 on your VPSFrom a fresh Windows Server 2012 R2 install to Remote Desktop: console, password, network settings and first security steps. Also valid for 2019, 2022 and 2025. How to change the Remote Desktop (RDP) port on Windows ServerMove Remote Desktop off port 3389 on Windows Server 2012 R2 to 2025, open the firewall and connect on the new port.