In this article, we share a collection of tools, cheatsheets and resources for sysadmins to help them manage their servers. Managing a server may be a complex task and requires many skills. A Sysadmin is usually responsible of deploying, installing, configuring, auditing, securing, hardening the server. Efficiency is a key for every sysadmin. Having your own collection of tools, resources and cheatsheets is very helpful. It allows you to save time and be happy.