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Upgrading to the Marlin firmware on the Anycubic Mega S

 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 ...
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Adding a swap file to Ubuntu 16.x

Recently, I needed to add a swap to a Linux host that didn't have a spare partition, therefore, I was able to use this method to create a swap file, activate, and test it. 1. Create the temporary directory we will use for swap. # mkdir -v /var/cache/swap 2. Create the swap file in the temporary directory (In the example below, we are creating a 500MB swap file, change to suit your needs) # dd if=/dev/zero of=/var/cache/swap/swapfile bs=1M count=500 3. Change the mode of the file so only root can read/write to it # chmod 600 /var/cache/swap/swapfile 4. Activate the swap file # mkswap /var/cache/swap/swapfile 5. Verify the swapfile using 'free -m' or 'swapon -s' # swapon -s 6. Add the swap partition to fstab to make the swap file presistant across reboots # echo "/var/cache/swap/swapfile none swap sw 0 0" | sudo tee -a /etc/fstab 7. To ensure you can reboot correctly, test the swap file by disabling it, then enabling it # swapoff /var/c...
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Acer Aspire One!

For anyone that's actually used Linux, you just need the console, it just doesn't feel like Linux without the console, but where was it hiding? Getting to the console: 1) Click on Files 2) Click on My Documents 3) Open the File Manager 4) Go to File 5) Click on Terminal Next, enable the right click menu so we can get to the terminal easier: 1) Open the xfce settings $ xfce-setting-show 2) Click on Desktop 3) Click on Behavior 4) Put a check in the box beside "Show desktop menu on right click" 5) Click on Close More good stuff here: http://jorge.ulver.no/2008/08/06/acer-aspire-one-tips-and-tricks/ I like the regular desktop, there's a good tutorial here, except he doesn't back up any of his files before he goes on his modification spree.
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