Tags: SysAdmin

Deployment Automation: The Linchpin of DevOps Success

Deployment Automation is the linchpin of DevOps transformation. I cannot put it more simply: To accelerate your DevOps adoption, and get the biggest bang for your buck: FOCUS ON DEPLOYMENTS. The previous State of the DevOps reports have shown a pretty straightforward equation: Deployment frequency ...
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Best Practices for Process as Code

We recently hosted another episode of our Continuous Discussion (#c9d9) video podcast, featuring expert panelists discussing process as code. Our expert panel included: David-Blank Edelman, technical evangelist for Apcera; Juni Mukherjee, Author of “Continuous Delivery Pipeline – Where Does It...
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How to Run Commands at Shutdown on Linux

Linux and Unix systems have long made it pretty easy to run a command on boot. Just add your command to /etc/rc.local and away you go. But as it turns out, running a command on shutdown is a little more complicated. Why would you want to run a command as the computer shuts down? Perhaps you want to...
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OpenStack Barcelona
In conjunction with OpenStack Summit in Barcelona, The OpenStack Foundation reported that enterprises have moved away from the OpenStack evaluation stage and are now managing deployments and serious workloads.

Research from OpenStack Summit Shows Deployments Ramping Up

If you already have OpenStack administration skills, or are considering pursuing them, you’ll want to take note of some surprising research reported in conjunction with OpenStack Summit in Barcelona last week. Specifically, a study commissioned by The OpenStack Foundation found that enterprises...
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DDoS Defenses Emerging from Homeland Security

Government, academic, and private-sector officials are collaborating on new ways to prevent and mitigate distributed denial-of-service (DDoS) attacks, based on research years in the making but kicked into high gear by the massive takedown this month of domain name system provider Dyn. The largest...
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DTrace for Linux 2016

With the final major capability for BPF tracing (timed sampling) merging in Linux 4.9-rc1, the Linux kernel now has raw capabilities similar to those provided by DTrace, the advanced tracer from Solaris. As a long time DTrace user and expert, this is an exciting milestone! On Linux, you can now...
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An Introduction to Linux Filesystems

This article is intended to be a very high-level discussion of Linux filesystem concepts. It is not intended to be a low-level description of how a particular filesystem type, such as EXT4, works, nor is it intended to be a tutorial of filesystem commands. Every general-purpose computer needs to...
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Collaboration Yields Open Source Technology for Computational Science

The gap between the computational science and open source software communities just got smaller - thanks to an international collaboration among national laboratories, universities and industry. The Eclipse Science Working Group (SWG), a global community for individuals and organizations who...
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How To Build A Strong Security Awareness Program

My work as director of the Security Awareness Training program at the SANS Institute affords me a view across hundreds of organizations and hundreds of thousands of employees trying to build a more secure workforce and society. As we near the end of this year's National Cyber Security Awareness...
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Increasing Diversity is not Just the Duty of the Marginalized

Increasing diversity in the technology industry is something that has gone from discussion to action in recent years. In 1985, 37 percent of computer science graduates were women. That number has continued to decline over the years, with women now earning only 18 percent of today’s computer science...
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