This assignment provides a comprehensive guide to server administration and maintenance, covering the installation and configuration of essential network services on Ubuntu virtual machines. The assignment begins with detailed instructions on setting up DNS servers (primary and secondary), including configuring forward and reverse zones, and testing client configurations. It then proceeds to the installation and configuration of SSH servers, followed by the setup of Apache web servers and FTP servers. The assignment also explores simple web services and concludes with instructions on creating SSL certificates for secure server communication. The step-by-step procedures and commands are provided, making it a practical resource for learning server administration. The assignment covers multiple virtual machines and includes installation of various servers like DNS, SSH, Apache, FTP, and SSL certificates. The assignment also covers the configuration of the servers and clients.