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Category: Technology

Shrinking/compressing a MediaWiki database

As of late, I haven't had a lot of time to chase after spammers, so – despite of anti-spam captchas and everything – a couple of my wikis have been overgrowing with spam. One after the other I've been closing them down to anonymous edits, even closing down user registration alltogether, but some a little too late. Read More »

Converting all tables in MySQL DB to InnoDB

#!/bin/bash exit 1 dbname="eorder" echo 'SHOW TABLES;' | mysql $dbname | awk '!/^Tables_in_/ {print "ALTER TABLE `"$0"` ENGINE = InnoDB;"}' | column -t echo 'SHOW TABLES;' | mysql $dbname | awk '!/^Tables_in_/ {print "ALTER TABLE `"$0"` ENGINE = InnoDB;"}' | column -t | mysql $dbname Read More »

Translating Dutch programming error messages

In .NET, you get Dutch errors when your Windows is in Dutch, which is hugely annoying. You can use this site to translate them, so that you can Google them. Read More »

My universal remote programming codes

Whenever this remote's battery is loose for a while, it forgets its programming. So, here it is: For computer, use the TV setting. Press 1 and 3 for a few seconds, then when the light turns on, enter 0677 as code. Read More »

Apache mod_proxy configuration for The Pirate Bay

I found several apache mod_proxy configs for setting up a proxy for The Pirate Bay, but none worked fully. Read More »

Listing MySQL table sizes

This query lists the sizes of all tables in MySQL: SELECT TABLE_SCHEMA, TABLE_NAME, CONCAT(ROUND(data_length / ( 1024 * 1024 ), 2), 'MB') DATA, CONCAT(ROUND(data_free / ( 1024 * 1024 ), 2), 'MB') FREE from information_schema.TABLES where TABLE_SCHEMA NOT IN ('information_schema','mysql', 'performance_schema'); Read More »

How to test payformystay.com

I haven't got much experience when it comes to testing web applications. Instead (and more so out of apathy than belief), I've always adhered to the ad-hoc test approach. However, the usage of pure Posgres unit tests back when I worked on a complicated investment database with Halfgaar did teach me the advantages of test-driven development. Read More »

Generating an SSL CSR and key

To generate an SSL certificate signing request (CSR) with key you can do this: openssl req -nodes -newkey rsa:2048 -keyout bla.key -out bla.csr Read More »

Creating a drbd for an existing Xen domain

I needed some VMs to be available on a backup node, which I accomplished with the distributed remote block device, or DRBD. My host machine is Debian 6. Read More »

Internet Explorer in VirtualBox 4.1 in Ubuntu 10.10

I've been needing IE for testing payformystay.com for some time now, but now I'm studying and I need it to work with some interactive Silverlight stuff. Read More »