ThorneLabs

In a couple of previous posts, I described step-by-step how to deploy Rackspace Private Cloud v4.1.x powered by OpenStack Grizzly with nova-network and Rackspace Private Cloud v4.2.x powered by OpenStack Havana with Neutron Networking using Vagrant on top…

Now that you have Rackspace Private Cloud installed, it is time to spin up your first OpenStack Instance.

On OpenStack Grizzly while in the process of setting up an external Quantum Provider Network so I could attach it to a Quantum Router as the default gateway, I needed a way to specify what IP address is brought up as the default gateway on the Quantum Rou…

Now that you have Rackspace Private Cloud installed, it is time to spin up your first OpenStack Instance, but there are several things you should do beforehand so you can fully utilize your OpenStack Instance.

Vagrant makes it easy to spin-up local virtual machines using VirtualBox or VMware Fusion.

Vagrant makes it easy to spin-up local virtual machines using VirtualBox or VMware Fusion.

If you read any article on big data, you will inevitably come across the terms MapReduce and Hadoop.

VMware Fusion exposes command line options that make it easy to add or remove virtual adapters manually.

Vagrantfile’s are written in Ruby, so you have the full power of Ruby at your fingertips when creating a Vagrantfile.

Vagrant makes it super easy to spin-up local virtual machines using VirtualBox or VMware Fusion.

Mounting an NFS share on OS X has always been slightly more troublesome when compared to mounting an NFS share on a Linux distribution.

While trying to connect to a Dell iDRAC 7 from OS X Mountain Lion with the Java 7 Runtime Environment installed you have probably received the very informative Connection failed error.

Rackspace Private Cloud, and OpenStack on its own, can be a formidable set of software to install.

By default, the transmission-daemon service uses its own web server and runs on port 9091.

I was recently working with Vagrant and the Vagrant VMware Fusion Provider Plugin to add a secondary NIC on-the-fly.

The following Vagrantfile shows the syntax for setting up multiple virtual machines using VirtualBox or VMware Fusion.

OpsCode, the creators of Chef, offers a hosted Chef Server solution.

Vagrant makes it easy to spin-up local virtual machines using VirtualBox or VMware Fusion.

It can be difficult to develop a PXE boot process if you don’t have actual servers to PXE boot.

SSH not only allows you to connect to remote servers, you can use it to send an ad hoc command or commands to a remote server.

The transmission-daemon package from EPEL makes it easy to setup a command line bittorrent client on RHEL 6 or CentOS 6.

I have a lot of photos organized in folders on my computer that I would like on my iOS device.

If you have a Red Hat Satellite Server or Spacewalk Server, you can create bootable ISOs from the Kickstartable Trees.

The following script can be placed in a Kickstart Profile POST script to bond two NICs when it is unknown what two NICs will be active.

If you have installed package xrdp-0.5.0-0.13.el6.x86_64.rpm from EPEL6, you have probably noticed it does not work out of the box.

There are a lot of guides on the web describing how to create a bootable Windows 7 or 10 USB drive in Linux.

Have you ever recorded a video with your smartphone only to view it on a computer or TV and have it displayed upside down?

When signing a Certificate Signing Request (CSR) with my own Certificate Authority (CA), the following error occurs even though both strings in parentheses are visually the same: The stateOrProvinceName field needed to be the same in the CA certificate (T…

Installing a proprietary graphics driver installs a lot of packages and dependencies.

I recently purchased an AMD HD 6670 graphics card to use with Steam in Fedora 18.

I recently purchased an AMD HD 6670 graphics card to use with Steam on Fedora 18.

If you have ever used an Apple iPhone or Apple TV, you are probably familiar with AirPlay.

If you have just installed Red Hat Directory Server 9 on RHEL 6 with only the @Base package group, the java-1.6.0-openjdk package, and the redhat-ds package, and you are trying to open the Red Hat Identity Management Console through a forwarded SSH X sess…

Red Hat Storage 2.0 is typically installed via the ISO image.

The following steps will install MySQL quickly and securely on Fedora and Enterprise Linux based distributions.

Dell’s Project Sputnik is impressive; not only is the hardware high quality (the Dell XPS 13 is the best laptop I think Dell has ever made), but the simple fact that Project Sputnik started as just that, a project, and morphed into an actual product speaks

I have wanted a mechanical keyboard for sometime.

Time zones are the last thing a systems administrator wants to deal with.

Get Information from All Physical Disks The -a command line switch specifies the Array ID, in this example, All Array IDs.

It is possible to restrict Linux server login via LDAP by using the hostObject objectClass and host attribute.

It is possible to restrict AIX server login via LDAP by using the aixauxaccount objectClass and hostsallowedlogin attribute.

Darwin Streaming Server has not been updated in many years and is dated compared to modern streaming technology.

If you are working with AIX 6.1 systems and need to restrict server login via LDAP groups, read through the following post.

Linux command getent passwd uidNumber was not returning a result.

If you are working with Linux systems and need to restrict server login via LDAP groups, read through the following post.

The default hibernatemode on Apple laptops is 3 which does the following:

Fedora 18 was released yesterday, January 15, 2013, and I immediately wanted to boot it.

Most people with any sort of interest in computers have seen The Matrix.

In a previous post, I provided steps to install skippy: Linux software that provides OS X Expose-like functionality in a Linux distribution.

Outside of GNOME 3, Unity, and compiz, I do not know of any Linux software that provides the Expose-like functionality (now called Mission Control) found in OS X.