SAN and NAS technology was great, but not designed with virtualization in mind.  In a virtualized datacenter SAN/NAS technology creates bottle necks. No matter how you slice it (pun intended) a virtual machine always performs better when it is stored on local storage rather that a ssd or a spindle that is a mile away, 100… Read More


A video of this process is also below. Scroll Down to find it. Turnkey Linux is a very convenient way to obtain a very large assortment of pre-made virtual appliances for many different virtualization platforms, including Openstack. However deploying the appliances to Openstack is a bit more involved then other platforms.  Here I will try to… Read More


CentOS 7 interface naming has changed from the previous version, now instead of the first interface being named eth0, the second named eth1 and so forth, we have eno1 or eno16777984 or some other scheme starting with eno, not a major deal unless your running a multi node application that depends on all the interfaces… Read More


To install Oracle Java 7: First add the PPA to apt with:   Now update:   Now we can actually install Oracle Java with the following command: Accept the Oracle License Agreement when prompted   Java is now installed.… Read More