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Hi. I'm a Unix Administrator, mathematics enthusiast, and amateur philosopher. This is where I rant about that which upsets me, laugh about that which amuses me, and jabber about that which holds my interest most: Unix.
Old

Fun with prime numbers

Posted 12-28-2010 at 04:26 PM by rocket357 (Musings on technology, philosophy, and life in the corporate world)
Updated 12-28-2010 at 05:34 PM by rocket357

When I was in college I wrote a silly benchmark to test different programming languages. The task was to brute-force calculate the first 150,000 prime numbers. I wrote the program in C, C++, Java, Perl, and Python. I fudged an optimization on them all (the optimization: only run division calculations up to sqrt(n) for a given prime candidate n...since sqrt is costly to calculate, I used n/3 (a horrid estimate, I know...but it still cuts out quite a few tests)). Recently I got a chance to discuss...
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Old

umurmur port progress

Posted 12-22-2010 at 02:38 PM by rocket357 (Musings on technology, philosophy, and life in the corporate world)
Updated 12-27-2010 at 10:20 AM by rocket357

A few days ago I got umurmur up and running on OpenBSD. I sent the build patches in to the project developer and they were committed with minor edits. I've continued working on umurmur and I am closing in on submitting a port to OpenBSD.

I submitted three additional patches today to the umurmur project dev. The patches were to remove linker warnings (no, not all ports do that, but I will =) and now I've moved on to the finicky topic of security auditing. The baseline that I'm...
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Views 703 Comments 0 rocket357 is offline
Old

uMurmur on OpenBSD

Posted 12-20-2010 at 10:39 AM by rocket357 (Musings on technology, philosophy, and life in the corporate world)
Updated 12-21-2010 at 11:00 AM by rocket357

I run a ventrilo server at home. My wife is an avid gamer (as am I, to a lesser extent), so ventrilo really helps with coordinating group gaming and in-game tactics.

There's just one problem...non-paid Ventrilo installs limit you to 8 people on the server at a time, and I'm too cheap to actually pay for a hosted unlimited vent server. On top of that, there is no native vent client for Linux or any of the BSD's, and most of the team we game with don't want to convert to TeamSpeak due...
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Views 1148 Comments 0 rocket357 is offline
Old

Random thoughts

Posted 07-08-2010 at 02:56 PM by rocket357 (Musings on technology, philosophy, and life in the corporate world)

Aesthetics of Change is a book written by Bradford Keeney in 1983. Taken at face value, it covers Family Systems Therapy. Upon digging deeper, though, a whole new world emerges from Keeney's work. Some random thoughts:

It amazes me how different people can observe the same event and walk away with completely different observations about the event. Example: a man and a child are walking on the opposite side of the road from two observers. The man raises his hand. Observer 1...
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Views 580 Comments 0 rocket357 is offline
Old

el oh el

Posted 05-03-2010 at 12:13 PM by rocket357 (Musings on technology, philosophy, and life in the corporate world)
Updated 05-03-2010 at 12:18 PM by rocket357

Today during our usual weekly roundup meeting, my boss announced that we're about to put in place a new VM server "cluster". It's a relatively nice setup: 3 servers, each with 2 quad-core Xeons and 48 GB of RAM. Each is connected to an iSCSI backend with TB's of storage...

So my boss asks us to estimate the CPU/RAM/disk space usage for our most critical servers that should be migrated over to the VM's. My most critical one is my OpenBSD server that I use to monitor all...
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Posted in OpenBSD
Views 957 Comments 2 rocket357 is offline

  



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