Blog - Don Zalmrol

A Chernobyl visit with an Arduino Geiger counter

By Laurens Gregoir Sunday 01 September 2019ElectronicsArduino, Arduino Geiger Counter, Chernobyl, Exclusion Zone, Geiger Counter, Geiger Müller, Pripyat, SBM-20, SI-3, Terra-P, Tubes, ValvesNo Comments

Introduction Perhaps an odd project for my site but with some friends we visited the Chernobyl exclusion zone, small town of Zalyssa, city of Pripyat (Get out of here Stalker), Chernobyl (Vladimir Ilyich Lenin) nuclear power plant and Duga 3 Over The Horizon (OTH) Radar installation receiver on the 29th of…

Upload user photos in Active Directory and Entra AD

By Laurens Gregoir Friday 29 March 2024ITActive Directory, Azure, PowershellNo Comments

A simple PowerShell script that imports user photos into Active Directory. After an Entra AD Sync it will push the same images to towards Azure, Office 365 (Teams, Exchange, The user photos need to be 80x80 with a max filesize of 100kb! Important! $transcriptLog = "C:\Scripts\ImportThumbnail\log.txt" if (Test-Path $transcriptLog) {…

Automatic bulk removal of Terminal Server user profiles

By Laurens Gregoir Monday 25 March 2024ITTerminal Server, WindowsNo Comments

Use the following script to automatically remove unused terminal server user profiles (V2 -> V6) from your profiles folder to keep the system clean. Simply add it to a Windows scheduled task to let it run every now and then and the script does the rest. For easy follow-up the…

Restart and clear the Windows print spooler

By Laurens Gregoir Tuesday 12 March 2024ITMicrosoft, Powershell, WindowsNo Comments

A very simple PowerShell script to stop, clear and start the print spooler on Windows systems. Run the below as local admin and it will fetch all stuck files in the printer spooler folder. Stop the spooler, clear it and then start it again. $printSpooler = Get-ChildItem "C:\Windows\System32\spool\PRINTERS"try{ Stop-Service -name…

The National Panasonic JB-3000

By Laurens Gregoir Sunday 25 February 2024ITMatsushita, MyBrain 3000, National, Panasonic, Panasonic JB-3000, Vintage ComputersNo Comments

The National Panasonic JB-3000 or also known as the "Matsushita MyBrain 3000" from 1982 is a bit of an odd duck of a vintage computers. You can find some information about it, but not as much like for other vintage computers. Type Panasonic JB-3001E Manufacturer Matsushita | Panasonic Origin Japan…