raspiblitz/build.sdcard/raspbianStretchDesktop.sh

#!/bin/bash
#########################################################################
# Build your SD card image based on:
# RASPBIAN STRETCH WITH DESKTOP (2018-06-27)
# https://www.raspberrypi.org/downloads/raspbian/
# SHA256: 8636ab9fdd8f58a8ec7dde33b83747696d31711d17ef68267dbbcd6cfb968c24
##########################################################################
# setup fresh SD card with image above - login per SSH and run this script: 
##########################################################################

echo ""
echo "****************************************"
echo "* RASPIBLITZ SD CARD IMAGE SETUP v0.95 *"
echo "****************************************"
echo ""

echo ""
echo "*** CHECK BASE IMAGE ***"

# armv7=32Bit , armv8=64Bit
echo "Check if Linux ARM based ..." 
isARM=$(uname -m | grep -c 'arm')
if [ ${isARM} -eq 0 ]; then
  echo "!!! FAIL !!!"
  echo "Can just build on ARM Linux, not on:"
  uname -m
  exit 1
fi
echo "OK running on Linux ARM architecture."

# keep in mind that DietPi for Raspberry is also a stripped down Raspbian
echo "Detect Base Image ..." 
baseImage="?"
isDietPi=$(uname -n | grep -c 'DietPi')
isRaspbian=$(cat /etc/os-release 2>/dev/null | grep -c 'Raspbian')
if [ ${isRaspbian} -gt 0 ]; then
  baseImage="raspbian"
fi
if [ ${isDietPi} -gt 0 ]; then
  baseImage="dietpi"
fi
if [ "${baseImage}" = "?" ]; then
  cat /etc/os-release 2>/dev/null
  echo "!!! FAIL !!!"
  echo "Base Image cannot be detected or is not supported."
  exit 1
else
  echo "OK running ${baseImage}"
fi

# update debian
echo ""
echo "*** UPDATE DEBIAN ***"
sudo apt-get update
sudo apt-get upgrade -f -y --allow-change-held-packages

# special prepare when DietPi
if [ "${baseImage}" = "dietpi" ]; then
  echo ""
  echo "*** PREPARE DietPi ***"
  echo "renaming dietpi user ti pi"
  sudo usermod -l pi dietpi
  echo "install pip"
  sudo apt-get update
  sudo apt-get remove -y fail2ban
  sudo apt-get install -y build-essential
  sudp apt-get install -y python-pip
fi

# special prepare when Raspbian
if [ "${baseImage}" = "raspbian" ]; then
  echo ""
  echo "*** PREPARE Raspbian ***"
  # do memory split (16MB)
  sudo raspi-config nonint do_memory_split 16
  # set to wait until network is available on boot (0 seems to yes)
  sudo raspi-config nonint do_boot_wait 0
  # set WIFI country so boot does not block
  sudo raspi-config nonint do_wifi_country US
  # extra: remove some big packages not needed
  sudo apt-get remove -y --purge libreoffice* oracle-java* chromium-browser nuscratch scratch sonic-pi minecraft-pi python-pygame
  sudo apt-get clean
  sudo apt-get -y autoremove
fi

echo ""
echo "*** CONFIG ***"
# based on https://github.com/Stadicus/guides/blob/master/raspibolt/raspibolt_20_pi.md#raspi-config

# set new default passwort for root user
echo "root:raspiblitz" | sudo chpasswd
echo "pi:raspiblitz" | sudo chpasswd

# set Raspi to boot up automatically with user pi (for the LCD)
# https://www.raspberrypi.org/forums/viewtopic.php?t=21632
sudo raspi-config nonint do_boot_behaviour B2
sudo bash -c "echo '[Service]' >> /etc/systemd/system/getty@tty1.service.d/autologin.conf"
sudo bash -c "echo 'ExecStart=' >> /etc/systemd/system/getty@tty1.service.d/autologin.conf"
sudo bash -c "echo 'ExecStart=-/sbin/agetty --autologin pi --noclear %I 38400 linux' >> /etc/systemd/system/getty@tty1.service.d/autologin.conf"

echo ""
echo "*** SOFTWARE UPDATE ***"
# based on https://github.com/Stadicus/guides/blob/master/raspibolt/raspibolt_20_pi.md#software-update

# installs like on RaspiBolt
sudo apt-get install -y htop git curl bash-completion jq dphys-swapfile

echo ""
echo "*** ADDING MAIN USER admin ***"
# based on https://github.com/Stadicus/guides/blob/master/raspibolt/raspibolt_20_pi.md#adding-main-user-admin
# using the default password 'raspiblitz'

sudo adduser --disabled-password --gecos "" admin
echo "admin:raspiblitz" | sudo chpasswd
sudo adduser admin sudo
sudo chsh admin -s /bin/bash

# configure sudo for usage without password entry
echo '%sudo ALL=(ALL) NOPASSWD:ALL' | sudo EDITOR='tee -a' visudo

echo "*** ADDING SERVICE USER bitcoin"
# based on https://github.com/Stadicus/guides/blob/master/raspibolt/raspibolt_20_pi.md#adding-the-service-user-bitcoin

# create user and set default password for user
sudo adduser --disabled-password --gecos "" bitcoin
echo "bitcoin:raspiblitz" | sudo chpasswd

echo ""
echo "*** SWAP FILE ***"
# based on https://github.com/Stadicus/guides/blob/master/raspibolt/raspibolt_20_pi.md#moving-the-swap-file
# but just deactivating and deleting old (will be created alter when user adds HDD)

sudo dphys-swapfile swapoff
sudo dphys-swapfile uninstall

echo ""
echo "*** INCREASE OPEN FILE LIMIT ***"
# based on https://github.com/Stadicus/guides/blob/master/raspibolt/raspibolt_20_pi.md#increase-your-open-files-limit

sudo sed --in-place -i "56s/.*/*    soft nofile 128000/" /etc/security/limits.conf
sudo bash -c "echo '*    hard nofile 128000' >> /etc/security/limits.conf"
sudo bash -c "echo 'root soft nofile 128000' >> /etc/security/limits.conf"
sudo bash -c "echo 'root hard nofile 128000' >> /etc/security/limits.conf"
sudo bash -c "echo '# End of file' >> /etc/security/limits.conf"

sudo sed --in-place -i "23s/.*/session required pam_limits.so/" /etc/pam.d/common-session

sudo sed --in-place -i "25s/.*/session required pam_limits.so/" /etc/pam.d/common-session-noninteractive
sudo bash -c "echo '# end of pam-auth-update config' >> /etc/pam.d/common-session-noninteractive"

echo ""
echo "*** BITCOIN ***"
# based on https://github.com/Stadicus/guides/blob/master/raspibolt/raspibolt_30_bitcoin.md#installation

# set version (change if update is available)
bitcoinVersion="0.17.0"
laanwjPGP="01EA5486DE18A882D4C2684590C8019E36C2E964"

# prepare directories
sudo -u admin mkdir /home/admin/download
cd /home/admin/download

# download resources
sudo -u admin wget https://bitcoin.org/bin/bitcoin-core-${bitcoinVersion}/bitcoin-${bitcoinVersion}-arm-linux-gnueabihf.tar.gz
if [ ! -f "./bitcoin-${bitcoinVersion}-arm-linux-gnueabihf.tar.gz" ]
then
    echo "!!! FAIL !!! Download BITCOIN BINARY not success."
    exit 1
fi
sudo -u admin wget https://bitcoin.org/bin/bitcoin-core-${bitcoinVersion}/SHA256SUMS.asc
if [ ! -f "./SHA256SUMS.asc" ]
then
    echo "!!! FAIL !!! Download SHA256SUMS.asc not success."
    exit 1
fi
sudo -u admin wget https://bitcoin.org/laanwj-releases.asc
if [ ! -f "./laanwj-releases.asc" ]
then
    echo "!!! FAIL !!! Download laanwj-releases.asc not success."
    exit 1
fi

# test checksum
checksum=$(sha256sum --check SHA256SUMS.asc --ignore-missing 2>/dev/null | grep '.tar.gz: OK' -c)
if [ ${checksum} -lt 1 ]; then
  echo ""
  echo "!!! BUILD FAILED --> Bitcoin download checksum not OK"
  exit 1
fi

# check gpg finger print
fingerprint=$(gpg ./laanwj-releases.asc 2>/dev/null | grep "${laanwjPGP}" -c)
if [ ${fingerprint} -lt 1 ]; then
  echo ""
  echo "!!! BUILD FAILED --> Bitcoin download PGP author not OK"
  exit 1
fi
gpg --import ./laanwj-releases.asc
verifyResult=$(gpg --verify SHA256SUMS.asc 2>&1)
goodSignature=$(echo ${verifyResult} | grep 'Good signature' -c)
echo "goodSignature(${goodSignature})"
correctKey=$(echo ${verifyResult} |  grep "using RSA key ${laanwjPGP: -16}" -c)
echo "correctKey(${correctKey})"
if [ ${correctKey} -lt 1 ] || [ ${goodSignature} -lt 1 ]; then
  echo ""
  echo "!!! BUILD FAILED --> LND PGP Verify not OK / signatute(${goodSignature}) verify(${correctKey})"
  exit 1
fi

# install
sudo -u admin tar -xvf bitcoin-${bitcoinVersion}-arm-linux-gnueabihf.tar.gz
sudo install -m 0755 -o root -g root -t /usr/local/bin bitcoin-${bitcoinVersion}/bin/*
sleep 3
installed=$(sudo -u admin bitcoind --version | grep "${bitcoinVersion}" -c)
if [ ${installed} -lt 1 ]; then
  echo ""
  echo "!!! BUILD FAILED --> Was not able to install bitcoind version(${bitcoinVersion})"
  exit 1
fi

echo ""
echo "*** LITECOIN ***"
# based on https://medium.com/@jason.hcwong/litecoin-lightning-with-raspberry-pi-3-c3b931a82347

# set version (change if update is available)
litecoinVersion="0.16.3"
cd /home/admin/download
sudo -u admin wget https://download.litecoin.org/litecoin-${litecoinVersion}/linux/litecoin-${litecoinVersion}-arm-linux-gnueabihf.tar.gz
sudo -u admin tar -xvf litecoin-${litecoinVersion}-arm-linux-gnueabihf.tar.gz
sudo install -m 0755 -o root -g root -t /usr/local/bin litecoin-${litecoinVersion}/bin/*
installed=$(sudo -u admin litecoind --version | grep "${litecoinVersion}" -c)
if [ ${installed} -lt 1 ]; then
  echo ""
  echo "!!! BUILD FAILED --> Was not able to install litecoind version(${litecoinVersion})"
  exit 1
fi

echo ""
echo "*** LND ***"

## based on https://github.com/Stadicus/guides/blob/master/raspibolt/raspibolt_40_lnd.md#lightning-lnd
#lndVersion="0.5-beta-rc1"
#olaoluwaPGP="65317176B6857F98834EDBE8964EA263DD637C21"
#
# get LND resources
#cd /home/admin/download
#sudo -u admin wget https://github.com/lightningnetwork/lnd/releases/download/v${lndVersion}/lnd-linux-arm-v${lndVersion}.tar.gz
#sudo -u admin wget https://github.com/lightningnetwork/lnd/releases/download/v${lndVersion}/manifest-v${lndVersion}.txt
#sudo -u admin wget https://github.com/lightningnetwork/lnd/releases/download/v${lndVersion}/manifest-v${lndVersion}.txt.sig
#sudo -u admin wget https://keybase.io/roasbeef/pgp_keys.asc
## test checksum
#checksum=$(sha256sum --check manifest-v${lndVersion}.txt --ignore-missing 2>/dev/null | grep '.tar.gz: OK' -c)
#if [ ${checksum} -lt 1 ]; then
#  echo ""
#  echo "!!! BUILD FAILED --> LND download checksum not OK"
#  exit 1
#fi
## check gpg finger print
#fingerprint=$(gpg ./pgp_keys.asc 2>/dev/null | grep "${olaoluwaPGP}" -c)
#if [ ${fingerprint} -lt 1 ]; then
#  echo ""
#  echo "!!! BUILD FAILED --> LND download author PGP not OK"
#  exit 1
#fi
#gpg --import ./pgp_keys.asc
#sleep 2
#verifyResult=$(gpg --verify manifest-v${lndVersion}.txt.sig manifest-v${lndVersion}.txt 2>&1)
#goodSignature=$(echo ${verifyResult} | grep 'Good signature' -c)
#echo "goodSignature(${goodSignature})"
#correctKey=$(echo ${verifyResult} |  grep "using RSA key ${olaoluwaPGP: -16}" -c)
#echo "correctKey(${correctKey})"
#if [ ${correctKey} -lt 1 ] || [ ${goodSignature} -lt 1 ]; then
#  echo ""
#  echo "!!! BUILD FAILED --> LND PGP Verify not OK / signatute(${goodSignature}) verify(${correctKey})"
#    exit 1
#fi
## install
#sudo -u admin tar -xzf lnd-linux-arm-v${lndVersion}.tar.gz
#sudo install -m 0755 -o root -g root -t /usr/local/bin lnd-linux-arm-v${lndVersion}/*
#sleep 3
#installed=$(sudo -u admin lnd --version | grep "${lndVersion}" -c)
#if [ ${installed} -lt 1 ]; then
#  echo ""
#  echo "!!! BUILD FAILED --> Was not able to install LND version(${lndVersion})"
#  exit 1
#fi

##### Build from Source
# To quickly catch up get latest patches if needed
repo="github.com/lightningnetwork/lnd"
commit="61e867741926bcb318432a6344b80161fabd1455"
# BUILDING LND FROM SOURCE
echo "*** Installing Go ***"
wget https://storage.googleapis.com/golang/go1.11.linux-armv6l.tar.gz
if [ ! -f "./go1.11.linux-armv6l.tar.gz" ]
then
    echo "!!! FAIL !!! Download not success."
    exit 1
fi
sudo tar -C /usr/local -xzf go1.11.linux-armv6l.tar.gz
sudo rm *.gz
sudo mkdir /usr/local/gocode
sudo chmod 777 /usr/local/gocode
export GOROOT=/usr/local/go
export PATH=$PATH:$GOROOT/bin
export GOPATH=/usr/local/gocode
export PATH=$PATH:$GOPATH/bin
echo "*** Build LND from Source ***"
go get -d $repo
# make sure to always have the same code (commit) to build
# TODO: To update lnd -> change to latest commit
cd $GOPATH/src/$repo
sudo git checkout $commit
make && make install
sudo chmod 555 /usr/local/gocode/bin/lncli
sudo chmod 555 /usr/local/gocode/bin/lnd
sudo bash -c "echo 'export PATH=$PATH:/usr/local/gocode/bin/' >> /home/admin/.bashrc"
sudo bash -c "echo 'export PATH=$PATH:/usr/local/gocode/bin/' >> /home/pi/.bashrc"
sudo bash -c "echo 'export PATH=$PATH:/usr/local/gocode/bin/' >> /home/bitcoin/.bashrc"
lndVersionCheck=$(lncli --version)
echo "LND VERSION: ${lndVersionCheck}"
if [ ${#lndVersionCheck} -eq 0 ]; then
  echo "FAIL - Something went wrong with building LND from source."
  echo "Sometimes it may just be a connection issue. Reset to fresh Rasbian and try again?"
  exit 1
fi
echo ""
echo "** Link to /usr/local/bin ***"
sudo ln -s /usr/local/gocode/bin/lncli /usr/local/bin/lncli
sudo ln -s /usr/local/gocode/bin/lnd /usr/local/bin/lnd

echo ""
echo "*** RASPIBLITZ EXTRAS ***"

# for setup schell scripts
sudo apt-get -y install dialog bc

# enable copy of blockchain from 2nd HDD formatted with exFAT
sudo apt-get -y install exfat-fuse

# for blockchain torrent download
sudo apt-get -y install transmission-cli

# for background downloading
sudo apt-get -y install screen

# optimization for torrent download
sudo bash -c "echo 'net.core.rmem_max = 4194304' >> /etc/sysctl.conf"
sudo bash -c "echo 'net.core.wmem_max = 1048576' >> /etc/sysctl.conf"

# *** SHELL SCRIPTS AND ASSETS

# move files from gitclone
cd /home/admin/
sudo -u admin git clone https://github.com/rootzoll/raspiblitz.git
sudo -u admin cp /home/admin/raspiblitz/home.admin/*.* /home/admin
sudo -u admin chmod +x *.sh
sudo -u admin cp -r /home/admin/raspiblitz/home.admin/assets /home/admin/

# bash aoutstart for admin
sudo bash -c "echo '# automatically start main menu for admin' >> /home/admin/.bashrc"
sudo bash -c "echo './00mainMenu.sh' >> /home/admin/.bashrc"

# bash aoutstart for pi
# run as exec to dont allow easy physical access by keyboard
# see https://github.com/rootzoll/raspiblitz/issues/54
sudo bash -c 'echo "# automatic start the LCD info loop" >> /home/pi/.bashrc'
sudo bash -c 'echo "SCRIPT=/home/admin/00infoLCD.sh" >> /home/pi/.bashrc'
sudo bash -c 'echo "# replace shell with script => logout when exiting script" >> /home/pi/.bashrc'
sudo bash -c 'echo "exec \$SCRIPT" >> /home/pi/.bashrc'

# create /home/admin/setup.sh - which will get executed after reboot by autologin pi user
cat > /home/admin/setup.sh <<EOF

# make LCD screen rotation correct
sudo sed --in-place -i "57s/.*/dtoverlay=tft35a:rotate=270/" /boot/config.txt

EOF
sudo chmod +x /home/admin/setup.sh

echo ""
echo "*** HARDENING ***"
# based on https://github.com/Stadicus/guides/blob/master/raspibolt/raspibolt_20_pi.md#hardening-your-pi

# fail2ban (no config required)
sudo apt-get install -y fail2ban

# *** BOOTSTRAP ***
# see background README for details
echo ""
echo "*** RASPI BOOSTRAP SERVICE ***"
sudo chmod +x /home/admin/_bootstrap.sh
sudo cp ./assets/bootstrap.service /etc/systemd/system/bootstrap.service
sudo systemctl enable bootstrap

# *** RASPIBLITZ IMAGE READY ***
echo ""
echo "**********************************************"
echo "ALMOST READY"
echo "**********************************************"
echo ""
echo "Your SD Card Image for RaspiBlitz is almost ready."
echo "Last step is to install LCD drivers. This will reboot your Pi when done."
echo ""
echo "Maybe take the chance and look thru the output above if you can spot any errror."
echo ""
echo "After final reboot - your SD Card Image is ready."
echo "Press ENTER to install LCD and reboot ..."
read key

# give Raspi a default hostname (optional)
sudo raspi-config nonint do_hostname "RaspiBlitz"

# *** RASPIBLITZ / LCD (at last - because makes a reboot) ***
# based on https://www.elegoo.com/tutorial/Elegoo%203.5%20inch%20Touch%20Screen%20User%20Manual%20V1.00.2017.10.09.zip
cd /home/admin/
sudo apt-mark hold raspberrypi-bootloader
git clone https://github.com/goodtft/LCD-show.git
sudo chmod -R 755 LCD-show
sudo chown -R admin:admin LCD-show
cd LCD-show/
sudo ./LCD35-show