Open Source

OpenStack chair: Linux at the cutting edge of the cloud

Alan Clark offers tips on cloud migration, talks up the open-source model.

The future of networking is a NOS on your choice of bare metal, says Cumulus Networks

ISC: Cray makes Lustre palatable for storage administrators

Open source proxy servers: Capable, but a bit rough around the edges

Artica scores highest in four-product test, IPFire, Squid and Apache also deliver solid proxy services.

Penetration Testing: A Hands-On Introduction to Hacking by Georgia Weidman, no starch press, 2014

Most everything you need to know to get started as a penetration tester in less than 500 pages? This book provides a very practical hands-on introduction to the art of hacking. But you will need to sit yourself down and let your fingers get a lot o

Facebook reveals a homegrown SDN data-center switch

The very worst subject lines

If you're going to be shooting out email messages as part of your job, you really ought to think about your recipients' reactions. Here are some of the least reader-friendly subject lines and why they likely won't work.

Mesosphere aims Twitter clustering tool at the enterprise

Unix: Root cause analysis

Unix: Why you should love nmap

Discovering hosts and services isn't just something that hackers do. A good sysadmin needs to work with an up-to-date view of the systems they manage or those they want to keep an eye on.