School Of Hard Knocks

 I recently started to try to use my 3D Printer again, and I decided to upgrade the firmware to the newest version of Marlin to use the mesh levelling system. Pre-requisites Raspberry Pi with Octopi Installed Stock (IE: No hardware upgrades!) Anycubic Mega-S Atmega 2560 board (I would open the unit up and check the board yourself to make sure!) Some time on your hands Process: Connect to SSH of your OctoPi Update your repositories pi@octopi: ~ $ sudo apt-get update Install avrdude pi@octopi: ~ $ apt-get install avrdude Find the location of avrdude pi@octopi: ~ $ which avrdude /usr/bin/avrdude Download the firmware file ( Marlin-Ai3M-v1.4.6-stock_drivers.hex ) from here (https://github.com/davidramiro/Marlin-Ai3M on the releases page) Install the Firmware Update plugin module on your Octopi if you have not already done so Click on the Wrench Icon at the top right Click on " Plugin Manager " Click on " Get More " Search for " Firmware Updater "  Install ...

Backstory  At work, I tried to login to a windows 2016 machine via RDP, and upon doing so I received the error " We can't sign into your account "a collegauge at work removed my account from the RDP users group and re-added me, but this was done before too. I suspected that this problem would come back. This is what I did to resolve it: Environment: Windows Server 2016 Symptoms: Upon connecting via RDP to the machine in question, you are presented with the error message " We can't sign into your account " under that it states " This problem can often be fixed by signing out of your account and singing back in. If you don't sign out now, any files you create or changes you make will be lost " I suspect that even the changes I make now will be lost (So the effect is the same, just the warning message is gone) If you open the registry editor, and go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\ you should observ...

 I used the Raspberry Pi Imager (https://www.raspberrypi.com/software/) to install the newest version of Octoprint (https://octoprint.org/). The new version of Octoprint recommends Python 3.6, but after the re-image of the SD Card, I encountered an issue with WiFi (again...) This is what I did to resolve it:   Environment: Raspberry Pi 2 Model B Rev 1.1 D-Link System DWA-131 802.11n Wireless N Nano Adapter(rev.A1) [Realtek RTL8192SU] Octoprint version of OctoPi Symptoms: After configuring the WiFi network interface, the interface would not come up by itself. Cause: It looks like even though the card was configured correctly, it was not starting up on it's own Resolution: 1) Modify the  /boot/octopi-wpa-supplicant.txt network={   ssid="SecretNetwork"   psk="SecretPassword" } country=CA # Canada For some reason, the network wasn't coming online by itself even with the correct PSK, however, because of a lack of logging (or, me finding that logg...