Don’t Fall Behind — Learn About UEFI
Dec 8, 2015
I was recently surprised when I found myself CC’ed on a forwarded email from a company marketing itself as a significant provider of cloud computing Infrastructure-as-a-Service (or IaaS). The message, from one of the cloud provider’s engineers to a group mostly comprised of his co-workers, bore what to him had been surprising news: Hey, there's […]
Cloud Service Models: What is IaaS?
Jan 22, 2015
Cloud computing has become a widely adopted model for IT infrastructure environments. It is defined by the National Institute of Standards and Technology (NIST) as follows: “Cloud computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can […]
Getting Started With Linux, Part 2 — Six Free and Easy Ways to Have Your Own Linux Server
Dec 1, 2014
When I teach Learning Tree’s Linux server administration course, I frequently find attendees who have taken the introductory Linux for users course and who are in the server course because they are about to be put in charge of running some critical servers, but they don’t have the needed skills. They’re just not ready to […]
How Has The Past Year Of NSA Surveillance Revelations Changed The Cloud Market?
Aug 11, 2014
The whole point of Learning Tree’s Cloud Security Essentials course is to discuss the questions you must ask a potential cloud provider to see if you could move some of your operation into the public cloud. Moving to the cloud means losing some control and visibility. You lose physical control with IaaS, much more control […]
GnuTLS Bug Part 3: You Always Need to Patch New Cloud Servers
Mar 24, 2014
Or at least you have no way of really knowing that you don’t need a patch until you check this particular server very carefully. Last week and the week before I warned you about the GnuTLS bug. By now you must have all your in-house systems patched, right? Right? Amazon Web Service’s EC2 provides you […]