Add 'README.md'

README.md

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+network:
+  version: 2
+  renderer: NetworkManager
+  ethernets:
+     enp2s0:
+            dhcp4: false
+            dhcp6: false
+            addresses: [147.102.37.118/24]
+            gateway4: 147.102.37.200
+            nameservers:
+                addresses: [147.102.222.210,8.8.8.8]
+
+sudo adduser mlab1
+sudo adduser mlab2
+sudo adduser mlab3
+sudo apt-get install x2goserver x2goserver-xsession mate-session-manager
+sudo cp EasyAVR.png /usr/local/
+git clone https://git.microlab.ntua.gr/hmar/microlab_pcs.git
+sudo cp ./microlab_pcs/* /usr/local/
+sudo cp /usr/local/mlab_cleanup.sh /usr/local/bin/
+sudo cp /usr/local/lightdm_cleanup.sh /usr/local/bin/
+
+cd /usr/local/
+sudo wget https://downloads.arduino.cc/arduino-1.8.13-linux64.tar.xz
+sudo tar xf arduino-1.8.13-linux64.tar.xz
+sudo ./arduino-1.8.13/install.sh
+
+sudo cp /home/mlab1/.ssh/authorized_keys /home/splinter/.ssh/authorized_keys
+sudo chown -R splinter:splinter /home/splinter/.ssh/
+sudo chmod 600 /home/splinter/.ssh/authorized_keys
+
+
+open arduino and file->preferences and enter Enter the following URL in Additional Boards Manager URLs
+https://mcudude.github.io/MightyCore/package_MCUdude_MightyCore_index.json
+
+Tools->board->board manager and search mightycore and install version 2.0.6
+
+vim /home/splinter/.arduino15/packages/MightyCore/hardware/avr/2.0.6/boards.txt
+
+16.menu.clock.8MHz_external_clock=8 MHz external clock
+16.menu.clock.8MHz_external_clock.upload.port=UART0
+16.menu.clock.8MHz_external_clock.upload.speed=38400
+16.menu.clock.8MHz_external_clock.bootloader.sut_cksel_bits=010000
+16.menu.clock.8MHz_external_clock.bootloader.high_fuses=0xd4
+16.menu.clock.8MHz_external_clock.bootloader.file=optiboot_flash/{build.mcu}/optiboot_flash_{build.mcu}_{upload.port}_{upload.speed}_{build.f_cpu}.hex
+16.menu.clock.8MHz_external_clock.build.f_cpu=8000000L
+
+
+restart arduino and select tools->board->MightyCore->Atmega16 and
+tools->8Mhz external clock