Someone who becomes an IT manager begins a kind of crusade. Each has its own goals, but everyone is united by a constant feeling of a series of battles and short-term clashes with users, an eternal lack of time and resources and maneuvers of elements of the entrusted infrastructure. Each day becomes a test of faith, and only the truly dedicated will be able to follow this path. It is important to be able to pass not just alone, but, having gathered like-minded people under their banners, put together a team around themselves - a kind of spiritual and chivalric order like those that arose in medieval Europe. In the book, the author shares his experience gained on this campaign. Simple words and simple formulas, nothing superfluous that would be burdensome in battle and difficult to perceive. The publication will be useful to heads of IT departments who would like to more rationally and meaningfully conduct their combat everyday life