I Drivel

Configuring Varnish

"An excellent book!" — Paul Wilmott Principles of quantitative development

At $WORK I’m currently working on deploying a pool of Varnish servers to sit in front of some Apache servers running Pressflow. On our current infrastructure we’ve been running Squid for the past few years with very good success , minus a hiccup . . . → Read More: Configuring Varnish

Thinkpad Trackpoint sensitivity on Ubuntu

A while back I found some notes on configuring the sensitivity of my trackpoint on my Thinkpad T43 and took the time to tweak the values to get it just right. The commands were

/bin/echo -n 171 > /sys/devices/platform/i8042/serio1/serio2/sensitivity /bin/echo -n 119 > /sys/devices/platform/i8042/serio1/serio2/speed

In order to keep those values the same on reboot, . . . → Read More: Thinkpad Trackpoint sensitivity on Ubuntu

Check for missing reverse DNS entries on network

A quick way to check your network for IPs missing reverse DNS entries….

nmap -PE -sP 10.0.0.0/24 | awk '{if ($2 ~ /^[[:digit:]]/ ) print $2}'

Support for authorized-keys.d/

Why is there no subdir inside .ssh called authorized-keys.d where I can just throw my ssh keys and easily manage them by file name instead of having to edit the authorized-keys(2) file?

I need to do some googling on this , a quick search yields this debian bug report on wishing for support for . . . → Read More: Support for authorized-keys.d/

Python Quote module

Over the past couple of years I’ve been wanting to learn Python more seriously but really haven’t sat down and just done it. I’ve written a couple of various scripts for personal and work use but always felt they weren’t coded in a “pythonic” way. I’m now reading Learning Python (4th edition) from the . . . → Read More: Python Quote module

Windows 7 64bit + iPhone sync

I somehow attract issues whenever I build a new computer or do a fresh installation on my desktop. I currently dual boot between Windows XP 64bit and Ubuntu 9.10 (Karmic) which has served me well the last 3 years. My current setup is running atop a fakeraid mirror which at the time, was a . . . → Read More: Windows 7 64bit + iPhone sync

Yahoo Finance message boards

… has to be the biggest waste of space on the interwebs. Clearly Yahoo doesn’t give a shit about them since they are not policed in the slightest and riddled with spam, trolls, and crazies. There are absolutely no insightful conversations going on for any stock. I wonder why they even bother keeping them around.

Camera of near future prediction

Edit: The title of this is great engrish… ok read on…

I predict cameras in the near future will begin shipping with wireless , 3G antennas or both. The cameras will be tied into social networking sites so that you can take photos of events and upload them as they happen. There will be . . . → Read More: Camera of near future prediction

iPhone 3.2 Wishes (Updated)

Before I had an iPhone, I had just your average flip phone, didn’t care if it had a web browser on it or if it did anything else besides just have a decent battery life. This summer I finally took the plunge and bought my first Apple product ever, the iPhone 3GS. I had . . . → Read More: iPhone 3.2 Wishes (Updated)

Reserved block space

Normally when a partition fills up, you remove some files, freeing up some space and watch your disk usage drop in

df -h

The first time recently I ran into a situation where that wasn’t the case. I had filled up my root partition and after removing some files and moving some others to . . . → Read More: Reserved block space