Blogs

Posted by: Harold Spencer, Jr. | January 5, 2015

Originally posted on A sysadmin born in the cloud:

We are just about to have Eucalyptus 4.1 released with VPC implementations and some new features, but I think that it is quite important to take a few time to dig into EDGE networking and networking modes in General with Eucalyptus.

For years, we had 3 mainly used modes :

MANAGED AWS Security Groups supported and VLANs created to give L2 separation All traffic goes via the Cluster Controller for cross...
Posted by: Harold Spencer, Jr. | December 14, 2014
Introduction

My last few blogs have discussed how Eucalyptus 4.0 supports similar Amazon Web Services, such as Elastic Compute Cloud (EC2), Simple Storage Services (S3), Elastic Load Balancing (ELB) and Security Token Services (STS) features. Using third party tools, such as python boto and s3cmd, features such as listing buckets and objects, listing running instances and assuming IAM roles were covered.  This blog entry is yet another example as to how Eucalyptus provides AWS compatible...

Posted by: Harold Spencer, Jr. | December 11, 2014
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 to enable cloud users to have access to the Eucalyptus Load Balancer access logs – similar to how this is accomplished with Amazon Web Services Elastic Load...

Posted by: Harold Spencer, Jr. | December 8, 2014

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 more storage (i.e. EBS volumes) backup the filesystem without taking the filesystem offline/unmounting restore the filesystem

This blog entry will focus on how a...

Posted by: Harold Spencer, Jr. | December 7, 2014

As mentioned in my past blog, Eucalyptus has the concept of EUARE (IAM) Roles which pretty much work the same way as AWS IAM Roles.  This blog with discuss how to set up cross-account API access using EUARE (IAM) Roles in Eucalyptus 4.0.2.  Cross-account API access is very useful for use cases where there are multiple Eucalyptus EUARE accounts that need to access the same resources.  A great example of this can be found in the AWS IAM documentation regarding this same feature.

To...

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