Censys is a search engine that allows computer scientists to ask questions about the devices and networks that compose the Internet. Driven by Internet-wide scanning, Censys lets researchers find specific hosts and create aggregate reports on how devices, websites, and certificates are configured and deployed.

What could be simpler than returning HTTP status codes? Did the page render? Great, return 200. Does the page not exist? That’s a 404. Do I want to redirect the user to another page? 302, or maybe 301.

In the unicast world, each endpoint on the internet has a unique IP address assigned to it. This means that each of LinkedIn’s many PoPs (Points of Presence) has a unique IP address associated with it. DNS is then used to assign users to PoPs based on geographical location.

From an end-user perspective, the TTY system in Linux (or any POSIX-like OS) is both functional and intuitive. For example, the input you type in usually goes to the process you expect it to go to, CTRL+Z usually suspends the process you expect to see suspended, CTRL+C usually interrupts the process you expect to see interrupted, and so on.

It takes a 'snapshot' of a webpage that will always be online even if the original page disappears.
This can be useful if you want to take a 'snapshot' a page which could change soon: price list, job offer, real estate listing, drunk blog post, ...

Transform your data into interactive network maps, discover new relations and get insight about complex issues from a simple interface.

Docker 1.9 includes for the first time the concept of the "Container Network Model". Read more on CNM. Basically, CNM is about creating small, micro-segmented networks for groups of containers to communicate over.

Writing code for multiple platforms can be a lot of work. It can be even more work to have to completely rewrite it for each one, too. What if you wrote an application in C++, but wanted it to be displayed in the browser somehow? Well now, with a tool called Emscripten, that’s possible.

AppArmor profile generator for docker containers. Basically a better AppArmor profile, than creating one by hand, because who would ever do that.