Is this a example of a knowledge level of modern sysadmin? If so, we're in trouble. =) Sysadmin should be able to think in terms of data flows, which means mem

Is this a example of a knowledge level of modern sysadmin? If so, we're in trouble. =) Sysadmin should be able to think in terms of data flows, which means memory management, data partitioning, and network stack usage, able to put different types of data into different kinds of storage, and understand the role of cache and how data should be access. Packages are just a tools.