Linux on servers has been very mainstream for last like 20 years. Big distros like Ubuntu become ever more complicated though, they run a ton of stuff by defau

Linux on servers has been very mainstream for last like 20 years. Big distros like Ubuntu become ever more complicated though, they run a ton of stuff by default, like Windows. OpenBSD is, first of all, very small in comparison. Then, it's obscure enough that most online attackers do not target it.