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  • The Dynamic and Depreciating Value of Computers

    I wrote this while I was at my company Elemental, and was meant for engineers to implement, so despite some of the very specific language for implementation purposes it was never meant to be dogmatic. I love the idea of calculating value based on… not much. I don’t know how accurate it is, but I can say that…

  • Def Con, Jeff Moss, and Sexism

    I suppose this could be subtitled “why I won’t be going to Def Con again.” Last August I wrote a letter to Jeff Moss (who is the founder of Def Con) about the disturbing sexism – including a conference sponsored strip show – I personally witnessed on a short jaunt I took to Def Con…

  • Post Millenium Tension

    Perhaps this should be subtitled Why I’ll Never Work at Microsoft. I don’t know, I don’t know, I don’t know where to begin, as the song goes. I started writing here on a whim. I don’t look at the traffic it may or may not get, and I haven’t accepted any comments or feedback to…

  • Even more IPMI, woohoo!

    I wrote a small paper surveying the scene of IPMI in the wild – Sold Down the River – the title of which might give you some clue as to make on the situation. Used to be folks used guns to rob us… computers make everything so much easier!

  • more IPMI than you can shake a stick at….

    I’ve long wanted a Get Channel Cipher Suite command w/o authentication, so I wrote a script to do so; those interested can get it here: https://github.com/zenfish/ipmi/blob/master/ipmi-get-ciphers.py Actually none of the various ipmi tools seem to have this option; I’ve found it useful to use when looking at systems; it emits output similar (if not identical)…

  • From A on B to C on D

    I find iptables to be a bit of a beast… so for posterity (or my own sanity, in case I lost this, I might recover from search engine caches!) this simply forwards a port (A) of a certain protocol from one host (B) to a second port (C) on a 2nd IP (D). Linux only,…

September 2025
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