Category Archives: linux

Block active ssh login attempts from unknown IP’s on linux using hosts.deny

Some hosts on the net are severely compromised or shown to be controlled by malicious  users. imho: Never allow a root login using ssh to any machine you are setting up. Yes ~they~ are always probing. It is a storm. … Continue reading

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Stacking some images with convert

Today I remembered I was reading on the web, somewhere I don’t remember, someone asked about stacking images that were grabbed from a webcam into one file, to create a kind of ghost effect. Playing around with ffmpeg and convert … Continue reading

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linux ssh access to Zyxel NSA 320

Thanks to the guys over at NAS-central, who document their stuff well, I can now use my Zyxel NSA 320 directly on the network, over secure shell. In my case this is handy because I can now easily backup the … Continue reading

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Convert PDF using linux

Convert at it again. I think I have posted something like this before, but ‘convert’ keeps being an amazing tool. Today converting Pdf’s into png picture format with: > convert -density <density in DPI> input.pdf -quality <quality ratio> output.png E.g. … Continue reading

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Convert is cool once more

Got some PDF’s from a customer today. I need to convert these into images, since the program I use for wifi measurement does not accept PDF’s. Found the free solution of course, using linux. convert -density 300 -trim test.pdf -quality 100 … Continue reading

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Using Raspi and MPD as home audio player

Today I installed a raspberrypi as home player using the Music Player Daemon [mpd] again, instead of that old laptop, I might save some power. Here’s what I did. [post moved to page]

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Using mopidy on debian, playing your spotify premium account with your MPD client.

Nice, I play spotify premium streaming audio using mopidy on debian now 🙂 I approximately did this: I got debian debian-6.0.7-i386-netinst [I have to add though that this configuration can almost be applied to ubuntu as well, note that I … Continue reading

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