Dec
15
2009
There are many pages out there about how to use a tethered BlackBerry internet connection with Ubuntu 9.10. Here is one that actually works. It uses Barry, BlackBerry support software generously provided by Net Direct Inc. I’ve found this quite useful with an Ubuntu based netbook. There is Wifi a lot of places, but not even [...]
Tags: linux, ubuntu
Nov
30
2009
I just read James Hamilton’s comments on “Microslice” servers, which are very low-power, but high CPU-to-wattage ratio servers. As he explains in detail, at scale the economics of this design are compelling. In some ways, of course, this is the opposite of another big trend going on, which is consolidation through virtualization. I reconcile these [...]
Tags: commentary, concurrency, linux, sysadmin, windows
Oct
08
2009
You may find with “svn cleanup” (or its TortoiseSVN equivalent) fails with an error message about “system cannot find the path specified”. If you research this error, you may find that the SVN dev team knows that svn-cleanup does not clean up this particular problem, and as of SVN version 1.6.5, considers that OK. There [...]
Tags: linux, source-control, sysadmin
Sep
01
2009
Last year, I wrote about my efforts to find a storage server with lots of storage at a low cost-per-byte. What was obvious to me at the time, but apparently not obvious to many vendors, is that the key to cost effective storage is to buy mostly hard drives and as little else as possible. [...]
Tags: hardware, linux, sysadmin
May
04
2009
Over the weekend I flipped through these slides about Nanite (code), and it got me thinking about system monitoring (again), as well as mass administration tools (Puppet and its younger competitor Chef). The key bit from the talk is the idea of using a proven, off the shelf messaging server (RabbitMQ) as the communication bus [...]
Tags: commentary, linux
Apr
30
2009
As of April 2009, the gitosis package in Ubuntu 9.04 Jaunty is broken; it fails with an error like so: pkg_resources.DistributionNotFound: gitosis==0.2 There are quite a few pages and mailing list messages that mention this. I only found one with a good hint toward a solution, which was that it is also a known issue [...]
Tags: linux, python, source-control, sysadmin, ubuntu