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Welcome to Linux: The Stone Age OS

Rocks and a stick? That’s a curious way to express Linux, the kernel that is the center of the majority of supercomputers around the world. I’ve heard it expressed or compared a lot of ways, but I don’t think “rocks and a stick” was one of them — up until then at least. But he’s not alone in his way of thinking. I remember a conversation I had with a colleague in 2005 who held the same view and went so far as to stop working with our newly-formed organization. He stated that he would not put his efforts into a losing cause. I vaguely remember that my response made mention of asses, doors and all of that. Read more

Fedora 23 review: Skip if you want stability, stay to try Linux’s bleeding edge

Fedora 23 is such a strong release that it highlights what feels like Fedora's Achilles heel—there's no Long Term Support release. If you want an LTS release in the Red Hat world, it's RHEL you're after (or CentOS and other derivatives). Fedora is a bleeding edge, and as such Fedora 23 will, as always, be supported for 12 months. After that time, you'll need to upgrade. Read more

Linux Performance Analysis in 60,000 Milliseconds

  • Linux Performance Analysis in 60,000 Milliseconds
    At Netflix we have a massive EC2 Linux cloud, and numerous performance analysis tools to monitor and investigate its performance. These include Atlas for cloud-wide monitoring, and Vector for on-demand instance analysis. While those tools help us solve most issues, we sometimes need to login to an instance and run some standard Linux performance tools. In this post, the Netflix Performance Engineering team will show you the first 60 seconds of an optimized performance investigation at the command line, using standard Linux tools you should have available.
  • Netflix: Linux performance analysis in 60 seconds
    Netflix has a very big EC2 Linux cloud and makes good use of performance tools to keep track of how well it is working for the company. In a recent blog post Netflix shares how it investigates performance of its Linux cloud at the command line.

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