Static in the Ether

Unix, Information Security & Systems Administration

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Entries from April 2008

Ubuntu LTS migration for the GUI challenged

April 28th, 2008 · No Comments

With the release of Ubuntu 8.10 (Hardy Heron) and its designation as the new LTS version, I decided to upgrade my one local server from Dapper to Hardy, with the small challenge of I didnt want to do it via a gui. This is partly because I did not have a X [...]

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Tags: Linux · PhD · Systems Administration · Ubuntu · Unix

Hilbert Curve TNG – Unix port

April 20th, 2008 · 1 Comment

The Hilbert Curve Rework project is progressing well with version 2.05 having been released, by Nick earlier this week. Ive now taken the opportunity to port the current Windows code across to unix and particularly FreeBSD. Around 10 lines worth of changes later the app built and ran on my FreeBSD 7.0 system. For [...]

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Tags: Unix · Vizualization

Remote FreeBSD install – Depenguinator TNG

April 19th, 2008 · 1 Comment

Daniel Gerzo, has recently published an article as part of the FreeBSD documentation project on how to install FreeBSD on a remote system, when one doesn’t have the luxury of a IP KVM or other remote console. Unfortunately most hosting providers seem to think Linux in its gazillions of flavors (really who would want [...]

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Tags: FreeBSD · Unix

Internet Redlight districts

April 8th, 2008 · No Comments

Taking some data gathered form various filters I’m investigating for the local schools network,a nd combining with some custom scraping tools which Blake has been assisting with Ive drawn a map of the location of some 15 000 IP addresses representing the seedy side of the Internet.

The image is rendered using the Hilbert Curve [...]

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Tags: PhD · Vizualization

Sorting IPv4 Addresses with GNU Sort

April 8th, 2008 · No Comments

While processing some rather large lists of addresses as part of a side project, I needed to be able to sort them in a numerical order within a shell script. I had a file with lines like:

69.90.132.19
69.90.132.22
66.152.91.84
208.122.204.181
69.90.132.22
69.90.132.31
216.131.106.249
216.131.84.26
67.55.105.252
208.64.44.102

Standard sort using sort –n only sorts on the first octet, and although it’s a improvement on alphabetic sorting [...]

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Tags: Uncategorized

Lair Back online

April 7th, 2008 · No Comments

After nearly two years offline, lair.moria.org is back. A couple of things have finally transpired. I have moved off the PII 400 with 128 MB of ram to some new hardware that should go belly up, and at the same time moved provider networks, which should improve reach ability and a [...]

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Tags: Uncategorized