Archive for the tag 'linux'

May 16 2007

Use SVK to remotely “svnadmin dump” an SVN repository

Published under Technology

One of the nice things about SVN is how easy it is to carry the complete SVN history from one server to another: “svnadmin dump” produces a single (large) dump file with the complete history, then “svnadmin load” to recreate it on the new machine. However, for a handful of our projects we have an […]

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Mar 15 2007

Google Tech Talks

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Google, a mecca for top notch programmers, attracts many top speakers to give talks on (generally) technical topics. They graciously record these talks and upload them to Google Video. You can get a list of most of them by searching video.google.com for “engEDU”. Think of these as virtual user group talks, but usually with bigger […]

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Jan 27 2007

DRBD on Ubuntu

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This week I experimented with DRBD (Distributed Replicated Block Device) which is “a block device which is designed to build high availability clusters. This is done by mirroring a whole block device via (a dedicated) network. You could see it as a network raid-1.” DRBD can be used for build a “poor man’s SAN”, a […]

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Sep 17 2006

Fresh Windows Install, Ouch

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A few hours ago I started with a fresh Windows XP Home install for a computer for my family. I’m still going.  I have lost count of how many times I have had to reboot the machine then get a new round of updates to install.  It is ludicrous. Modern Linux distributions are far superior […]

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May 11 2006

LVM (Logical Volume Management) – a very good thing

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This Mailing list post from a user of “MythTV” reminded me of the wonders of LVM (Logical Volume Management) which is built in to Linux (HowTo, Resource page).  I first saw LVM years ago on a commercial Unix, and didn’t quite understand the point.  Now I see the point clearly, and set up most new […]

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May 04 2006

Basement Data Center

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It occured to me today that a section of my basement is starting to resemble a data center: The four machines here: Are all test machines, or being configured and burned in for future deployment – the production hardware for our projects invariably ends up in customers’ data centers or in robust colo facilities (redundant […]

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