I've always thought it was impressive that Stackoverflow, one of the most important software dev sites on the web, racked their own servers, so this makes me a little sad.

Stack Overflow no longer has any physical datacenters or offices; we are fully in the cloud and remote!

tl;dr: If you debian system won't let you ping without sudo, make sure to install the linux-sysctl-defaults package

A review of 4 console spreadsheet programs that can run on linux.