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How to Use Postfix Postscreen to Test Email for Spam: Part 1
I recently read with interest that the powerful mail transfer agent (MTA) that is Postfix has introduced a relatively new addition to its load...
The (R)Evolution of Network Operations
Since the mid-1990s, the costs of compute, storage, and memory have been steadily plummeting. The commoditization revolution in compute (“x86 everywhere”), combined with the...
Learn about Apache Mesos and the State of the Art of Microservices from Twitter,...
When people talk about cloud native applications you almost inevitably hear a reference to a success story using Apache Mesos as an application delivery framework...
Splitting a Monolithic Application Into Services
Microservices-based architecture is an emerging trend in software development. It is the result of efforts to make enterprise application code more flexible and easily...
Introducing Unik: Build and Run Unikernels with Ease
By Idit Levine (@Idit_Levine), Office of the CTO & CTO of Cloud Platform Team, EMC
Check out the Unik code today at https://github.com/emc-advanced-dev/unik/
Catch the announcement...
Beyond Jenkins: 7 DevOps Tools
The need for speed in the software development cycle has given rise to a number of valuable automation tools for developers. Chief among these...
How to Set Up Virtual Domains and Virtual Users in Postfix
A previous tutorial covered how to install a Postfix mail server and test it with mailx. Now we’ll introduce email aliases, set up virtual...
Proven Paths for Getting Valuable OpenStack Certification
If you cycle the clock back to 2010, when Rackspace and NASA announced an effort to create a sophisticated cloud computing infrastructure that could...
Putting Purpose-Built Performance in NFV
As the network functions virtualization (NFV) revolution comes to service provider and cloud communities, there are some concerns about this new technology. One of the major questions is...