A Linux server is a computer running a Linux distribution that has been configured to provide services to other computers or users. Distributions such as Ubuntu Server, Debian, Rocky Linux, and AlmaLinux are commonly used for different types of server workloads. What Does a Linux Server Do? A Linux server can perform many different jobs depending on how it is configured. Its flexibility, efficiency, open-source ecosystem, and extensive collection of server software have made it a practical choice for decades.