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This is a technology blog by Matthias Friedrich, a software developer and architect. more …
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Tag Archives: tools
Hudson vs. Jenkins Revisited
When the Hudson/Jenkins fork was announced earlier this year, the case seemed pretty clear. There were heroes from the Open Source community, among them Hudson’s original author, and there was everybody’s favorite villain, Oracle. Back in February, I would have … Continue reading
Sharing Files Revisited
It’s amazing how sometimes problems solve themselves. Since my last article, I got a new home router (a FRITZ!Box Fon WLAN 7320) that nicely solves the problem of accessing network devices with dynamic addresses even without Zeroconf.
Sharing Files With Android Devices
Occasionally I want to transfer a file from my Linux desktop machine to one of my Android-based devices via my home network. Shouldn’t be a problem, there are lots of networking protocols for this, right? In practice, many solutions you … Continue reading
Switching Displays via Keyboard Shortcuts
When I’m at my desk I use an external LCD monitor with my netbook. I’m glad that switching displays finally works on Linux, but even on Ubuntu it takes a lot of clicks in the Monitors menu. Fortunately, I found … Continue reading
A Maven Archetype for Hadoop Jobs
In my last article I showed how to build a Hadoop job that contains all its dependencies. To make things even easier, I created a Maven archetype that turns project setup into a simple 30 second process.
Quick Tip #4: Sorting Large Files
With traditional Unix sort(1), the size of the files you can sort is limited by the amount of available main memory. As soon as the file gets larger and your system has to swap, performance degrades significantly. Even GNU sort … Continue reading
Plotting with Matplotlib
For a long time, Gnuplot has been my tool of choice for plotting diagrams. The diagrams it produces out of the box look very scientific, but it takes a lot of tweaking to produce something that’s visually pleasing. I got … Continue reading
An IMAP Configuration for Mutt
Usually, I download all my email via fetchmail, sort it into folders using procmail and read the mails with mutt. This works reasonably well and I’ve been using this mail setup without major changes for about 10 years. Since I … Continue reading
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