Category Archives: Linux

Fishcam using Raspberry Pi and some network tricks

Intro There are more articles about running a webcam using Raspberry Pi than Carter has pills. Why bother to create another? This one is unique insofar as I created a fishcam at a school with a restricted network. None of … Continue reading

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Evaluation of WPI’s multiple camera coprocessor using Raspberry Pi

Intro There’s some good and some not-so-good about the new WPI-provided way to handle multiple video streams using a Raspebrry Pi. ELP Cameras problems I have bought many of these ELP cameras last year and this. I may be a … Continue reading

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Solution to this week’s NPR puzzle using simple Linux commands, again

Intro As I understood it, this week’s NPR puzzle is as follows. Think of a figure from the Bible with five letters. Move each letter three back, e.g., an “e” becomes a “b.” Find the Biblical figure which becomes an … Continue reading

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Linux tip: how to enable remote syslog on SLES

Intro I write this knowing I still don’t know anything to speak of about syslog, but, sometimes you gotta act without knowing. I needed to send syslog to somewhere in a big hurry so I figured out the absolute minimum … Continue reading

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Future project idea: Interplanetary file system, IPFS

Intro If I had more time and more energy, what I’d like is to explore the Interplanetary Filesystem, perhaps put up a server and create some objects. It seems right up my alley as I was an early adapter and … Continue reading

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The IT Detective Agency: the vanishing certificate error

Intro I was confronted with a web site certificate error. A user was reluctant – correctly – to proceed to an internal web site because he saw a message to the effect: I tried it myself with IE and got … Continue reading

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Whois information without the pushy hard sell tactics

Intro Did you ever want to learn about a domain registration but were put off by the hard sell tactics that basically all web-based whois searches subject you to? Me, too. Here’s what you can do. The details Linux – … Continue reading

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Raspberry Pi as Retro Arcade Games emulator

Intro I am not going to attempt to provide a guide as there are much better guides out there than anything I can produce. In addition to the arcade function, we wanted to display a slidedeck when not being used … Continue reading

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Measuring bandwidth on Checkpoint Gaia

Intro Sometimes you don’t have the tools you want but you have enough to make do. Such is the case with the command line utilities of the CLI of Checkpoint Gaia. It’s like a basic Linux. The company I consult … Continue reading

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Multiple IPs on the Raspberry Pi

Intro In my previous post I showed how to turn a Raspberry Pi plus USB camera into something like an IP camera. In the course of that work I found it wasn’t so easy as it was in the past … Continue reading

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