Guides for system administrators related to systems and applications configuration tasks.

How to Install and Configure OpenVPN Server on Linux CentOS
Learn how to install and configure OpenVPN server based on Linux CentOS, connect two remote computers behind NAT using certificates for encrypted connection.

How to Configure Direct Access in Windows Server
Step-by-step guide of how to deploy the Direct Access (always-on VPN) remote access service on Microsoft Windows Server.

How to Set up VPN Connection in Windows
This is a little VPN configuration guide for Windows using the built-in wizard to connect to a Windows server with the Routing and Remote Access (RRAS) service enabled.