NavPi
NAV Stakebox

On this page you will find all the latest tutorial videos for the NavPi. The NavPi is the Nav Coin Raspberry Pi 3 Stakebox. With the NavPi you can stake your NavCoin. It is easy to setup and very cheap to run. With staking you can earn 5% annually on your Nav Coin holdings. Learn more about staking.

NavPi unboxing

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Unboxing and information about the NavPi.

NavPi Setup

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This step-by-step tutorial will help you by setting up your NavPi stakebox. The Nav Coin NavPi is used for staking. By staking you can earn 5% annually from stake rewards. The NavPi is an energy efficient and perfect device for this job!

NavPi written guide can be found at: https://github.com/NAVCoin/navpi/blob…

Default UNIX UI password: navpi101
Default WebUI password: nav

In this tutorial:
– Connect to NavPi (0:19)
– Enable WiFi (0:50)
– Determine NavPi IP Address (1:19)
– Lock Down NavPi web access (1:40)
– Change NavPi UNIX password (2:34)
– Create SSL certificate (2:57)
– Connect to Navpi WebUI (4:32)
– Change WebUI password (5:04)
– Encrypt wallet and test encryption (5:30)
– Sending and Receiving NAV Coin (6:12)
– Unlock for staking and check status (7:03)

NavPi DIY

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You can download the NavPi image from http://navcoin.org/downloads/

You will need:
– Raspberry Pi 3
– SD Card (I recommend 16GB or more)
– HDMI Cable + Monitor
– Keyboard
– Mouse
– Power Supply, Micro-USB

This step-by-step tutorial will help you by setting up your NavPi stakebox. Format the SD Card, Write the NavPi Image to it and put it into your Raspberry Pi 3 to start. The Nav Coin NavPi is used for staking. By staking you can earn 5% annually from stake rewards. The NavPi is an energy efficient and perfect device for this job!

NavPi written guide can be found at: https://github.com/NAVCoin/navpi/blob…

Default UNIX UI password: navpi101
Default WebUI password: nav

Etcher: https://etcher.io/
Win32 disk imager: https://sourceforge.net/projects/win3…
SD Formatter: https://www.sdcard.org/downloads/form…

In this tutorial:
– Format SD Card (0:26)
– Write Image (0:59)
– Insert SD Card into NavPi (1:43)
– Connect to NavPi (2:00)
– Enable WiFi (2:32)
– Determine NavPi IP Address (3:00)
– Lock Down NavPi web access (3:23)
– Change NavPi UNIX password (4:17)
– Create SSL certificate (4:40)
– Connect to Navpi WebUI (6:13)
– Change WebUI password (6:45)
– Encrypt wallet and test encryption (7:13)
– Sending and Receiving NAV Coin (7:54)
– Unlock for staking and check status (8:45)

NavPi backup/restore

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In this video we show you how to create a backup of your Nav Coin wallet, how to import a wallet into a NavPi, restore your wallet and how to create an image from your NavPi SD card to easy restore it.

I recommend making multiple backups of your wallet.dat. Also I recommend storing those backups on multiple devices. Before making the backup, make sure your wallet is encrypted.

The wallet.dat holds your private keys. When unlocking your wallet, you unlock the wallet.dat so the wallet has access to the private keys for sending or staking.

In this video:
– Download the NavPi wallet.dat (0:24)
– Backup Full Node wallet.dat (1:00)
– Copy wallet.dat to USB (1:27)
– Copy the wallet.dat to NavPi (1:35)
– Backup and Restore wallet (1:45)
– Creating a backup image (2:42)
– Restoring the backup image (3:21)

You can find your wallet.dat here:
Windows: ~/AppData/NavCoin4
OSX: ~/Library/Application Support/NavCoin4
Linux: ~/.NavCoin4

Cannot find NavCoin4 folder in Windows? https://www.howtogeek.com/howto/windows-vista/show-hidden-files-and-folders-in-windows-vista/

Cannot find NavCoin4 folder in OSX? In order to see hidden folders, such as ~/Library from Finder, simply hit shift + ⌘ (command) + G which will GO to a folder, then paste in this location:
~/Library/Application Support/NavCoin4

Enable SSH

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You can access the command line of a Raspberry Pi remotely from another computer or device on the same network using SSH.

The Raspberry Pi will act as a remote device: you can connect to it using a client on another machine. This will make future updates and commands easy.

You do not have to connect a screen and keyboard any longer. You can even use your phone for remote connection.

Commands used:

  • sudo systemctl enable ssh.service
  • sudo systemctl start ssh 
  • sudo ufw allow 22

Software used: PuTTY: www.putty.org

NavPi touch screen

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Here is all you have to do:

  1. Download Driver to your PC
  2. Copy the driver and paste it to the home folder of raspberry pi (/home/pi)
  3. Open the command line
  4. Change permission: “sudo chmod 777 LCD_show_35hdmi.tar.gz”
  5. Unzip the file: “tar -xzvf LCD_show_35hdmi.tar.gz”
  6. Enter the driver directory: “cd LCD_show_35hdmi”
  7. Select the Resolution (I recommend 810540): “sudo ./LCD35_810*540”
  8. Wait for the Pi to reboot

Install Matchbox Keyboard: https://www.modmypi.com/blog/matchbox-keyboard-raspberry-pi-touchscreen-keyboard

Driver + Tutorial: http://osoyoo.com/2017/01/18/install-3-5-hdmi-touch-screen-linux-driver-on-raspberry-pi/

Touch Screen (Ebay): http://www.ebay.com/itm/3-5-HDMI-LCD-Touch-Screen-for-Video-Game-Raspberry-Pi3-w-Transparent-Case/272566129516?ssPageName=STRK%3AMEBIDX%3AIT

NavPi update to v1.0.3

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Written instructions: https://github.com/NAVCoin/navpi/blob/master/UpgradeInstructions.md

Used commands:

Update:
– cd /home/stakebox/UI
– git pull
– cd ..
– sudo chown -R www-data:www-data UI
– sudo chmod -R g+s UI
– sudo /home/stakebox/UI/libs/updater.sh

Enable localhost:
– sudo leafpad /etc/apache2/sites-available/navpi.conf
– Require ip 127.0.0.1
– sudo service apache2 reload

Setup auto updates:
– sudo crontab -e
– 0 0 * * * /home/stakebox/UI/libs/updater.sh