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Building an Email Server on Ubuntu Linux, Part 2
In part 1, we installed and tested the Postfix SMTP server. Postfix, or any SMTP server, isn't a complete mail server because all it...
Remote Logging With Syslog, Part 2: Main Config File
In the previous article, we looked at some of the basics of rsyslog -- a superfast Syslog tool with some powerful features for log...
IBM Bluemix Wants to Take the Drudgery out of DevOps
IBM's Bluemix Continuous Delivery offers reusable workflows for devops, with familiar services like GitHub and Slack as part of the plan.
With Bluemix, IBM set...
There’s a New DDoS Army, and It Could Soon Rival Record-Setting Mirai
For almost three months, Internet-of-things botnets built by software called Mirai have been a driving force behind a new breed of attacks so powerful they threaten...
Signs You’re Doing DevOps Right
Your organization has been practicing DevOps for some time. These seven practices will help you determine if you've been doing so in the right...
How Virtualized Networks Will Save Us From Dropped Calls
We’ve all been the victim of a dropped mobile phone call and know how frustrating it can be. However, virtualized networks provide network operators...
Essentials of OpenStack Administration Part 1: Cloud Fundamentals
Start exploring Essentials of OpenStack Administration by downloading the free sample chapter today. Download Now
OpenStack and cloud computing is a way of automating and...
PayPal Cuts Costs 10x With Open Source CI
The bigger you are, the more small efficiencies add up. Manivannan Selvaraj's talk from LinuxCon North America gives us a detailed inside view of...
Parrot Security Could Be Your Next Security Tool
Network and security administrators rely heavily on their tools. Without the right tools, that brilliant mind can only do so much. But what tools...
How to Build an Email Server on Ubuntu Linux
In this fast-changing world of containers and microservices it's comforting that some things don't change, such as setting up a Linux email server. It's...