fedops blog

Privacy in Computing

Thu 01 June 2023

Solar Monitoring

Posted by fedops in Howto   

In May 2023 we finally joined the "renewable revolution" by having photovoltaic panels installed on the roof and purchasing an inverter to feed power into the grid. Of course one of the main fascinations of the system is that one can acquire performance data from the system and graph that data to see how the system is doing. "kWh peeping" instead of "pixel peeping" if you will...

There are lots of howtos describing how to …

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Wed 13 April 2022

Using a Sun Keyboard under Linux

Posted by fedops in Hardware   

I got my start in system administration in the early 1990s, maintaining a university institute full of Sun Microsystems workstations. Those were the late days of the Unix wars, and the main contenders were Digital Equipment Corporation (DEC), Hewlett-Packard (HP), IBM, Silicon Graphics Inc. (SGI), and Sun. Sun were well-loved in the Universities - the machines weren't the greatest, neither was their software, but all around they had a reasonable package at a reasonable price.

One …

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