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Administrating AWS resources productively using the AWS CLI

Posted on April 12, 2019 by dbclin

This article is adapted from my new Pluralsight course: Automating AWS Operations with the AWS CLI. I’ll bet you’ve already got some stuff running on AWS and you made it happen using the browser console. But I’ll also bet that you… Continue Reading →

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How you can use OpenVPN to safely access private AWS resources

Posted on April 12, 2019 by dbclin

This article was adapted from part of my Pluralsight course, “Connecting On-prem Resources to your AWS Infrastructure.” Do you sometimes need to connect to resources you’ve got running on Amazon Web Services? Accessing your public EC2 instances using SSH and… Continue Reading →

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Cleaning up after Spectre and Meltdown: figuring out how badly they slowed down your servers

Posted on April 12, 2019 by dbclin

This article is based on my Linux Performance Monitoring and Tuning course on Pluralsight which, by coincidence, was released just before news of Spectre and Meltdown broke. By now the critical stage of the Spectre and Meltdown vulnerabilities is largely over. Patches for affected… Continue Reading →

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An in-depth introduction to Docker on AWS

Posted on April 12, 2019 by dbclin

Container virtualization — most visibly represented by Docker — is aserver paradigm that will likely drive enterprise computing for yearsto come. The Cloud is the most obvious and logical platform for containerdeployment. Amazon Web Services largely dominates the cloud computing world.Add it up. If… Continue Reading →

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How to create a virtual IT workspace

Posted on April 12, 2019 by dbclin

This article, which also appears among my Medium articles, is based on a chapter from my free online book, Solving for Technology: how to quickly learn valuable new skills in a madly changing technology world. There’s lots more where that… Continue Reading →

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Securing your Linux web server

Posted on April 12, 2019 by dbclin

This article, which also appears among my Medium articles, was excerpted from chapter 9 of my Manning book, Linux in Action. Besides the book, you can also work through Linux in Motion — a hybrid course made up of more than two hours… Continue Reading →

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Chroot: the magical healing powers of the original Linux virtualization tool

Posted on April 12, 2019 by dbclin

This article, which also appears among my Medium articles, is excerpted from chapters 6 and 9 of my Manning book, Linux in Action. Besides the book, you can also work through Linux in Motion — a hybrid course made up of more than… Continue Reading →

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Securing your network connections using OpenVPN

Posted on April 12, 2019 by dbclin

This article, which also appears on my Medium account, is excerpted from chapter 10 of my Manning book, Linux in Action. Besides the book, you can also work through Linux in Motion — a hybrid course made up of more than two hours… Continue Reading →

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Beating the technology learning curve monster

Posted on December 29, 2017 by dbclin

Doing what I do for a living, which these days mostly involves creating technology books and courseware, I’m constantly learning new technologies. In a way, my new tech adventures are not much different than the ones most IT pros face,… Continue Reading →

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Would you hire a junior Linux admin with these skills?

Posted on December 29, 2017 by dbclin

Smart and experienced admins are worth their weight in gold, but how many of them had that kind of value when they started out? Building up a solid and reliable IT team to serve your operation can be like planning… Continue Reading →

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