As a remote Linux administrator, your duties and responsibilities are to install, configure, maintain, and troubleshoot a system, server, or application that runs on the Linux operating system. There are many different Linux OSs, and some of the more common ones are Ubuntu, Mint, and Debian. In addition to maintaining the server and system, you also carry out routine security checks and work with other specialists to improve security and contingency plans for maintaining operations in case of emergency. Linux administrators also provide training and instruction to end users.