Personal weblog about technology, Open Source, perl, GNU etc. Etckeeper, bind jnl files and git-pack memory problems. For last few years, one of first tools which we install on each new server is etckeeper. It saved us couple of times, and provides nice documentation about changes on the system. Which results in about 500 Kb change each day for 11 zones we have defined. Solution for this is to use. Which will in turn call. Without running out of memory.

A simple Time Domain Reflectometer. I built the simple signal generator described in Electronic Design. The same circuit you find on ZL1NC. Together with an Oscilloscope it can be used to find a cable fault as described in this All about Circuits article. Comments Off on A simple Time Domain Reflectometer. Recently I upgraded this box with the model 3 Pi.

LNA for RTL Based SDR Receivers. Which is normally powerful enough to fed the receiver when using a short cable, but since I wanted to experiment with an antenna mounted on a relatively long and thin cable, I built a small LNA to be mounted at the far end, near the antenna.

Tuesday, September 16, 2014. Intel Nuc is a great Media Center Computer. Intel NUC Kit D34010WYK The Ultimate Media Center Device. TV or Monitor with HDMI. Mini PCI express slot for a SSD based storage. Essentially the processor is an Ultrabook processor in a different form factor. So you get the performance of an Ultrabook, but for much much cheaper.