Tag Archives: tools

Changing the Number of Workspaces in Unity

In Ubuntu’s Unity, you get four workspaces per screen, arranged in two rows with two columns each. Fortunately, there’s a way to get more desktop space, but in Ubuntu 11.10 it takes a bit of searching. Advertisements

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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

Posted in tools | Tagged , , , , | 9 Comments

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.

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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

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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

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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.

Posted in java | Tagged , , , , | 8 Comments

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

Posted in shell | Tagged , , , , | 3 Comments