Summary

It does not take much skill to install a basic Ubuntu system and use the out-of-the-box configuration. However, configuring, tuning, optimizing, and securing the system to fit you needs takes serious skills. If you want to safely enable network services, then you'll need to start with a basic system and customize it to your needs. Although these services enable you to provide support for other systems on the network, they also open up your system and provide vectors for attackers. However, these hacks for network services should enable you to run the servers you want and need, without opening you up to too much risk.