Today I noticed my wordpress installation got a bit slow. Apparently MySQL was very busy… Why? … SELECT * FROM wp_comments ORDER BY comment_date_gmt DESC LIMIT 32500, 50 SELECT * FROM wp_comments ORDER BY comment_date_gmt DESC LIMIT 32650, 50 SELECT * FROM wp_comments ORDER BY comment_date_gmt DESC LIMIT 32800, 50 … etc. The need to [...]

To help myself if I need it again in the future. E1 straight Exactly the same as Ethernet straight. If you think about the name, its actually quite logical and so it happens that both sides have the same order. E1 Cross Commonly used for connecting from PBX to PBX. side 1: blue – white/blue [...]

Yesterday I upgraded my wordpress installation to 2.7. The admin interface improvements are definitely noteworthy. I wrote this post with the quickpress widget(?) on the revamped dashboard.

Making myself comfortable with Thunderbird: Calendar and Tasks Install Lightning. In Ubuntu as easy as: apt-get install lightning-extension The addressbook Evolution exports to vcf. Thunderbird import from ldif and csv and such. Solution: Conversion tool (online and downloadable for offline use). GPG support. apt-get install enigmail General settings Different from Evolution, for Thunderbird you need [...]

Several years ago I switched from Thunderbird to Evolution. I do not remember why. To document why I switch from Evolution to Thunderbird a blogpost. What sucks about Evolution: It crashes a lot (frustration) No or little improvement with new releases (disappointment) Terribly slow, at least with multiple large IMAP accounts (anger) Whats nice? Gnome [...]

We use Lighttpd a lot these days to offload our Apache2 servers. More specific we use Lighttpd to serve all the static content (images, stylesheets, javascript files and such). Since one of our customers wanted a clear view I did some performance testing. I used siege with 500 concurrent connections with a list of urls [...]

One of the websites we develop at OSSO, deaandeelhouder.nl, a project by ABM Online Solutions, has blog functionality available since a week. So I decided to open a little side-blog there in Dutch. Since there is so much going on in the financial markets these days it should not be hard to find material for [...]

On the 10th of October we will have an interesting NN-Open borrel: Hans Bos (National Technology Officer) of Microsoft the Netherlands will give a talk about what Microsoft does with open source and such. He is a sort of ambassador of Microsoft in the Netherlands which has to represent and explain the international policy, developments [...]

At one of the suppliers I noticed a funny difference today: Intel Xeon QC X3360 2.83GHz, 1333MHz, 12MB, S775, Box: 235,29 euro Intel Core 2 Quad Q9550 2.83GHz, 1333MHz, S775, Box: 368,91 euro Mentioned prices are excluding VAT. I am happy its not the other way around, since we stick with Xeon normally. As far [...]

We use virtualization *a lot* in our infrastructure. The advantages are numerous but for sure it saves costs, makes management easier and improves security by isolating services on their own virtual machines (and you can make a very specific configuration for the service). Putting that aside we were moderately happy about Xen. We have been [...]