Tag Archives: linux

Vagrant Cloud Deployment First Impressions with OpenStack

Vagrant describes itself as a tool to create VM based development environments, allowing it to be shared between developers. By default it sets up a local VirtualBox instance, although through an extensible set of providers it can also be used to create VMs in various clouds. eBay internally has a private cloud based on OpenStack. This article […]

My Program is Running Slow and I Don’t Know Why! (Unix)

There are different reasons why a program under Unix/Linux could be running unexpectedly slowly when moved to new hardware (that is nothing to do with Halloween!), particularly for C or C++.  That is, the program normally runs well, but for some reason when in production it behaves badly.  Here is what I do personally to […]