Linux System Administration: Build Small Business IT Infrastructure

Every small organization needs a reliable, secure, and cost-effective IT infrastructure, but relying on proprietary systems can be expensive and restrictive. Building your network on independent, open-source operating systems like Linux provides complete control, flexibility, and security. In this text-only course, you will learn the foundational concepts of system administration and discover how to deploy, configure, and maintain critical corporate services. You will transition from understanding basic command-line operations to managing a fully functional small business network. What you'll learn: - Understand core Linux system administration concepts, directory structures, and user permissions. - Configure fundamental network services including DHCP, DNS, and secure remote access. - Deploy essential application services such as local file sharing and web servers. - Implement basic containerization concepts using Docker to run modern, isolated applications. - Secure your infrastructure using firewalls, access controls, and regular system updates. - Monitor system health and service availability using modern logging and observability tools. The course begins with essential terminology and command-line basics before guiding you through step-by-step written explanations for setting up network, file, and application services. This course is designed for absolute beginners, aspiring system administrators, and IT support specialists looking to build practical infrastructure skills with no prior experience required. Start reading today to build and manage your own independent corporate network.