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  1. I have used FileVault 2 since OS X Lion without issue and it has worked as expected.

  2. Using cobbler to provision Ubuntu systems is no problem when using Preseed, but it is a problem when using Kickstart Profiles (Ubuntu has had Kickstart compatibility since at least 10.04).

  3. With the release of the iPhone 6 and 6 Plus, the iPhone has now joined the ranks of Android phones with large screens.

  4. exiftool allows you to read and write metadata from files.

  5. The folks over at SwiftStack have put together a great blog post and video describing how the Swift Ring works in OpenStack Swift.

  6. After upgrading from OS X Mavericks to OS X Yosemite, I attempted to install ImageMagick from Homebrew, but encountered an error when brew was trying to install the libpng dependency.

  7. There are a handful of ways to center an image on a web page.

  8. There is no doubt that everyone who owns an iOS device has a screen or folder dedicated to housing the bundled Apple Apps that are never used.

  9. In a previous post, I provided an example Vagrantfile to create multiple virtual machines.

  10. When Apple introduced TouchID with the iPhone 5s I knew it would slowly become a game changer.

  11. Installing python-swiftclient on OS X Yosemite is exceedingly difficult compared to earlier versions of OS X.

  12. Over a year ago I wrote about needing more photo sync options for iOS and how to really connect the Photo App to iCloud.

  13. While working on Ubuntu Server 14.04, I needed to install the innobackupex command, but simply running sudo apt-get install innobackupex did nothing.

  14. When Apple introduced OS X Yosemite at WWDC 2014 they demoed a brand new and improved Spotlight.

  15. I recently purchased an iPhone 6 and immediately noticed the phone call volume through the earpiece was much lower than my iPhone 5.

  16. For some reason CentOS does not keep their historical CentOS releases available online in OpenStack cloud image format.

  17. While setting up an OpenStack Swift cluster, I had five Dell R720 servers with incorrectly configured RAID arrays.

  18. Most of the pre-made OpenStack Cloud Images are configured to connect an OpenStack Instance to one network interface on creation of the instance.

  19. If you ever change the hostname of any of your OpenStack nodes and restart the OpenStack services on those nodes, the services are going to re-register to the OpenStack cluster under the new hostname.

  20. Anyone working in IT has heard the question, “is your application cloud ready?”.

  21. By default, OpenStack Glance saves images and OpenStack Instance snapshots to its local filesystem at /var/lib/glance/images/.

  22. After setting up an OpenStack Swift Cluster with TempAuth, I wanted to authenticate Swift against Keystone instead of TempAuth.

  23. In a previous post I described how to install a stand-alone, multi-node OpenStack Swift Cluster with VirtualBox or VMware Fusion and Vagrant.

  24. The OpenStack Swift developer website describes Swift best: Swift is a highly available, distributed, eventually consistent object/blob store.

  25. With the advent of cloud computing came the cloud computing methodology and a different way of doing things.

  26. The Twitter Bootstrap frontend framework provides a UI element called a Jumbotron.

  27. In a previous post I described how to display random Jekyll posts during each page load or refresh using Javascript.

  28. I needed a way to manage Apache VirtualHosts and mod_rewrite rules.

  29. OpenStack Instances are created from OpenStack cloud images.

  30. While putting together an Ansible Playbook to generate a configuration file from an Ansible Template, I needed a way to include additional content from a text file within the generated configuration file.

  31. View the Contents of an SSL Certificate openssl x509 -text -noout -in cert.pem View the SSL Certificate of a Remote Server View the SSL certificate for any protocol using SSL/TLS with the following command: openssl s_client -showcerts -connect FQDN:PORT…

  32. By default, the Twitter Bootstrap Search Field will use Google to search your site.

  33. md, which stands for multiple device driver, is used to enable software RAID on Linux distributions.

  34. Ever since Google Reader was surprisingly shutdown in July of 2013, some of the other RSS readers (Feedly, Tiny Tiny RSS, etc.) started to get more attention.

  35. Google Analytics has always been the go-to web analytics tool.

  36. Set Global Name and Email git config --global user.name "Firstname Lastname" git config --global user.email "you@example.com" Change Author and Committer Name and Email This is not a command you should run on a git repo being shared.

  37. Jekyll Resources

    Jekyll is a fantastic static-site generator.

  38. Recently, I was setting up a handful of servers that all needed the same user created but with a different password for that user on each server.

  39. The Dell iDRAC web interface has always been cumbersome to deal with.

  40. At the time of writing, unlike Red Hat, Fedora, CentOS, and Canonical, Debian does not create and distribute OpenStack cloud images.

  41. After installing Cobbler and importing the Ubuntu Server 12.04.4 LTS ISO, I copied the Cobbler Profile created on import to a new Cobbler Profile named ubuntu-12.04.4-server-x86_64-ks with the intention of pointing it to a new Kickstart Profile (yes, Ubun…

  42. While writing an Ansible Task to add a user to the sudoers file on a Linux distribution, I encountered an error that kept the Ansible Task from completing.

  43. I have used an iPhone ever since they were revealed to the world in 2007.

  44. I have found most of the OpenStack commands to be fairly intuitive.

  45. Ansible is part of the configuration management and orchestration family that includes Puppet, Chef, and SaltStack.

  46. While bootstraping a new Rackspace Public Cloud Server with Ansible 1.4.4 on OS X Mavericks, I received an error when running ansible-playbook bootstrap.yml --user root --ask-pass.

  47. The root user’s password can be set in RHEL and CentOS Kickstart Profiles with the following command: rootpw "password here" However, anyone using the Kickstart Profile will see the root password in plain text.

  48. SSSD brought several authentication and authorization protocols under one roof.

  49. Because Jekyll is a static site generator it can be difficult to have various parts of your website be dynamic.

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