Ubuntu provides versatile cloud images that can be utilized on various cloud deployment infrastructures. Eucalyptus’s euca2ools eustore tool makes it easier for cloud administrator’s to bundle, upload and register images on Eucalyptus clouds. Using eustore-install-image with Ubuntu Cloud images provides the best of both worlds – solid cloud images that can be easily deployed to […]
Background Recently, Amazon Web Services (AWS) announced that their CodeDeploy service supports on-premise instances. This is extremely valuable – especially for developers and administrators to allow utilization of existing on-premise resources. For teams who are using HP Helion Eucalyptus 4.1 (or who want to use Eucalyptus), this is even better news. This feature – along with […]
Preface Eucalyptus continues to strive as the best on-premise AWS-compatible Infrastructure as a Service (IaaS). One of the great things about Eucalyptus being an open source platform, is that if there is an AWS feature that any cloud administrator/developer wants to add, they have the ability to do it. This blog entry will cover how […]
ZFS is a filesystem designed by Sun Microsystems that focuses on data integrity. What makes this such an attractive filesystem to use in the cloud is that a cloud user can easily do the following: set up an LVM + RAID filesystem for storing large amounts of data (e.g. database information) expand the filesystem by adding […]
Recently, I was logging into my AWS account, where I have multi-factor authentication (MFA) enabled, using the Google Authenticator application on my smart phone. This inspired me to research how to enable MFA for any Linux distribution. I ran across the following blog entries: Three-factor authentication with OpenSSH, Google Authenticator and Password | Today I […]
This blog entry is a follow-up of my blog entry entitled “Step-by-Step Deployment of Docker on Eucalyptus 3.4 for the Cloud Administrator“. In that blog entry, I covered how to deploy an Ubuntu Raring Cloud Image on Eucalyptus, and use that image to deploy Docker. The really cool thing about Docker is that it provides […]
CirrOS is a a trimmed-down OS that has been developed to run on cloud environments. When deployed on Eucalyptus clouds, CirrOS is very effective in confirming the clouds have been set up to provide instance networking, and instance services (metadata and userdata – similar to whats provided on AWS). Because its seen as being so […]
Docker has been in the news lately as one of the hot open-source project promoting linux containers. Some use cases for Docker include the following: Automation of packaging and application deployment Lightweight PaaS environments Automated testing and continuous integration/deployment Deploying and scaling web applications, databases and backend services The focus of this blog entry is to […]
The Ingredients Jenkins An extendable open source continuous integration server. Stackato The Enterprise Private PaaS that makes it easy to deploy, manage, and monitor applications on any cloud. Cloud-init The Ubuntu package that handles early initialization of a cloud instance. It is installed in the Ubuntu Cloud Images and also in the official Ubuntu images […]
Background I really enjoy OpenLDAP. I think folks really don’t understand the power of OpenLDAP, concerning its robustness (i.e. use multiple back-ends), speed and efficiency. I think its important to have sandboxes to test various technologies. The “cloud” is the best place for this. To test out the latest builds provided by OpenLDAP (via git), […]
More Mind Spew-age from Harold Spencer Jr. 