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--- raspberry_pi4 [03/14/2021 04:01] – lancek99
+++ raspberry_pi4 [09/28/2021 18:37] (current) – removed gfactor
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-====== **RASPBERRY PI SETUP GUIDE** ======
-For clarity all commands to be typed by you are followed by  ↩ symbol to denote pressing enter key.
-Simply copy and paste the relevant text from this guide into the terminal like this:
-Using your mouse click and drag the portion to be copied
-Right click copy
-Then right click in terminal
-And choose  paste
-Press enter and off you go.
-You will need Java installed on the raspberry pi as well as 7zip.
-To install them, open a terminal window
-and get your system up to date using:
-sudo apt update↩
-The files will be downloaded and installed.
-# Next we will upgrade the entire system to the latest version using:
-sudo apt full-upgrade↩
-# It will check what’s needing to be upgraded and a prompt will appear, type y and press enter.
-y↩
-# Now we will configure the system to allow remote access via ssh to Raspberry using a remote computer:
-sudo raspi-config↩
-A new window will open.Use your arrow keys to navigate and enter to select.
-Select option three, to configure peripheral connections and then select and enable SSH.
-Navigate to the finish button and press enter.
-You will find yourself back in the terminal window.
-# Now that your system is up to date, let's install Java:
-sudo apt install default-jdk↩
-# To check if it’s installed properly, type:
-java -version↩
-This will display your currently installed version of java and display something like
-openjdk version "11.0.9.1" 2020-11-04
-OpenJDK Runtime Environment (build 11.0.9.1+1-post-Raspbian-1deb10u2)
-OpenJDK Server VM (build 11.0.9.1+1-post-Raspbian-1deb10u2, mixed mode)
-# Assuming all went well and Java is installed, we now install 7zip:
-sudo apt-get install p7zip-full -y ↩
-It will be done shortly.
-Install Qortal Core on your Raspberry Pi 4.
-# In the terminal:
-wget https://github.com/Qortal/qortal/releases/download/v1.4.3/qortal-1.4.3.zip↩
-This will download the core zip file to your PI.
-# Now we unzip it with:
-unzip qortal-1.4.3.zip↩
-# Then enter the newly unzipped Qortal directory using:
-cd qortal↩
-Now we will download the zipped database file:
-# Type the command
-ls↩
-This will show you a list of all the files in the Qortal folder.
-It should look like this
-db                 log.txt.1   run.log        start.sh
-log4j2.properties  qortal.jar  settings.json  stop.sh
-# To download the database type:
-wget https://qortal.tmgoxford.com/db.7z ↩
-Be patient. It’s a huge file and will take a while to complete.
-When it’s done downloading, your prompt will reappear and you can continue installing.
-# Extract the database:
-z x db.7z↩
-This will also take quite some time.
-When it’s done extracting, your prompt will reappear and you can continue.
-# Now you must grant permissions to the scripts in the folder so you can run them.
-chmod  a+x *.sh↩
-# Next we edit the configuration file to optimize for raspberry pi
-echo -en "{\n\"maxPeers\":32,\n\"minBlockchainPeers\": 8,\n\"apiDocumentationEnabled\": true\n}\n\"" > settings.json↩
-# Let’s make sure it did what is required, let’s display the settings.json file by:
-cat settings.json↩
-You should get the following
-{
-"maxPeers":32,
-"minOutboundPeers":16,
-"minBlockchainPeers":8,
-"maxNetworkThreadPoolSize":25,
-"apiDocumentationEnabled":true
-}
-# Assuming all went well to this point you can now start the core:
-./start.sh↩
-It should tell you it's passed the java version check and give you the PID
-    Passed Java version check
-    qortal running as pid (whatever PID digits it assigns)
-A moment or two later the logo will appear, centre screen and after about 20-30 seconds a small Qortal icon will appear in the top right section of your screen.
-Give it a minute or two to start making connections and then hover your mouse over the icon. Connection data will appear, synchronisation %, number of peers you are connected to and the current block height you are at.
-CONGRATULATIONS. Your node is up and running.
-# To stop it gracefully at any point open a terminal:
-cd /qortal↩
-./stop.sh↩
-Currently it is not easy to setup the User Interface (UI) on the raspberry pi. You can connect the running core on your Raspberry Pi to a second computer that has theUI installed with the following method :
-On Mac, open the terminal application and tell the mac to set up an SSH connection to your pi using the following command to connect the correct ports:
-ssh -L 22391:127.0.0.1:12391 pi@your pi’s local ip address↩
-This takes the output from port 12391 on your pi to port 22391 on your Mac
-Now we open the UI on the Mac and follow the steps to use this new connection.
-Select add custom node
-In each dropdown menu, select the following options
-Protocol=Http, Domain=127.0.0.1, port=22391
-Click add and on the Settings page select your newly added node. Login as usual.
-An expanded version of this guide will be available soon, with the next steps and a list of useful commands.

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