Category Archives: Linux

sispmctl – control a terminal server

Hello, a terminal server is very useful in a Cisco lab. To be usefull it should be up and running, but keep it switched on 24/7 is not an option in a home lab. With a Gembird SIS-PM programmable power … Continue reading

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Using ipcheck to update your dyndns entry

Hello, last night my Fritz!Box router failed to update my dyndns entry and so I couldn’t reach my private network during the day. One suggestion from helpful people was to mail the outside IP address to myself. Too easy! A … Continue reading

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sispmctl – light (on|off|toggle|state)

Hello, this is a followup to the posts sispmctl and sispmctl – using it as non root . With this script we can switch the light on and off, toggle it and check the current state. This shell script shows … Continue reading

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sispmctl – using it as non root

Hello, in my article sispmctl I worked as root all the time. I would prefer to use “sispmctl” as normal user (and without sudo). My solution is to change the group of the entry for the power outlet in /dev/usbdev* … Continue reading

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dpkglist

Hello, last weekend I was helping a friend to check his Ubuntu system. With the command line crissa@unseen:~$ dpkg –list | grep -v “^ii” | tail -n+6 I found a lot of not complete removed packets. It was a long … Continue reading

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sispmctl

Hello, sispmctl is the name of a program to control a Gembird SIS-PM programmable power outlet. It is controlled from a Windows PC over an USB cable. A Gembird SIS-PM power outlet with 4 sockets costs around 30 € (here … Continue reading

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alive

Hello, sometimes it would be helpful if ping would just answer with “alive” (=> “Yes, I could ping it”) or “not alive” (=> “No answer while I was waiting”). A simple “0” (=> “alive”) or “1” (=> “not alive”) would … Continue reading

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