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Linux on Power

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Linux

In the office today is an old IBM P-Series running OpenSUSE. We’ve had nothing but outstanding uptime with the box, but for some reason, before now, we have not considered expanding our Linux infrastructure to more Power systems. Since we are now exploring all of our options, the idea of moving from lots of small virtual machines to a few LPARs is being tossed around. Would it make sense to migrate our environment away from standard Intel machines to big-iron IBM systems? It is an interesting proposal.

Determining the best hardware for a self-hosted web environment is complicated, and fraught with danger. One of the most popular schemes in use is to purchase commodity hardware. Normally, the term “commodity hardware” is meant to include basic Intel pizza box servers that may not have the most power, and may not come with the best reputation for high mean time between failure for components, but are plentiful and cheap. The core concept is to avoid the need for larger, more expensive hardware by purchasing a lot of pizza boxes, and just adding on as you go. When done right, this results in a fairly easy to manage system, but it needs to be done right from the start.

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Security: Updates, Intel, Torvalds

  • Security updates for Tuesday
  • Intel: We've found severe bugs in secretive Management Engine, affecting millions
    Thanks to an investigation by third-party researchers into Intel's hidden firmware in certain chips, Intel decided to audit its firmware and on Monday confirmed it had found 11 severe bugs that affect millions of computers and servers. The flaws affect Management Engine (ME), Trusted Execution Engine (TXE), and Server Platform Services (SPS).
  • Open Source Security Podcast: Episode 71 - GitHub's Security Scanner
    Josh and Kurt talk about GitHub's security scanner and Linus' security email. We clarify the esoteric difference between security bugs and non security bugs.
  • Linus Torvalds 'sorry' for swearing, blames popularity of Linux itself
    Linux overlord Linus Torvalds has apologised – a bit – for calling some security-centric kernel contributors “f*cking morons”. Torvalds unleashed a profanity-laden rant at Google developer Kees Cook, over the latter's proposal to harden the kernel. Another Google security chap, Matthew Garret, asked Torvalds “ Can you clarify a little with regard to how you'd have liked this patchset to look?” To which Torvalds responded that “I think the actual status of the patches is fairly good with the default warning.”

Benchmarks: Linux Power Use, Sabrent EC-SS31, Phoronix Test Suite 7.6 M3

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