This is a small effort (as time allows) to record useful information and thoughts in the hope they might help others.
Recent Blogs
Storing Raspberry PI timelapse images using Linode Object Storage
"possum cam testing" (CC BY-NC-SA 2.0) by leogaggl One common task for my Raspberry Pi Zero with (infrared) Camera is to do still image capture in regular intervals and upload the images for storage and post-processing. A simple way to achieve this with standard software tools available in the Raspberry Pi OS repositories is to use the S3 CLI tools and a simple bash script run by a scheduled cron job.
Install S3CMD tools on RaspberryPi sudo apt install python3-pip sudo pip3 install s3cmd Configure Linode Raspberry Pi AWS-CLI s3cmd --configure The values:
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Working with Siemens IoT2000 series from Linux
The Siemens IoT2000 series has been a very interesting development from Siemens and it’s really encouraging to see the use of Open Source in the Automation sector definitely on the increase. And that can only be a good thing for developer productivity. Seeing a different IDE for each manufacturer of a PLC invokes some nasty memories of last century web-application development…
Download existing image The image can be downloaded from the Siemens support site (if you don’t have an account with Siemens you might have to sign up for a login first.
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Extracting your Windows Licence Key from Ubuntu
Turns out that working with PLC equipment you are still fully stuck to Windows. Which means I have to bite the bullet and get an up to date version of a Windows VM running on my machine.
Since I have already paid for my Windows license with my laptop (even though I have never used it) this came in really handy.
<pre class="wp-block-preformatted">sudo apt install acpica-tools sudo acpidump -n MSDM This command should dump the Windows key in the bottom right of the output.
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