Automated setup created for DietPi on an RPI2 for RTL-SDR pager decoding using mutlimon-ng and pagermon. Uses version managers for node and python to keep it isolated + correctly compiled.

rtlsdr-decoder-setup.sh

#DietPi setup script for RTL-SDR/Multimon-ng/Pagermon for decoding pager messages(FLEX/POCSAG etc.)

cat <<EOF >no-rtl.conf
blacklist dvb_usb_rtl28xxu
blacklist rtl2832
blacklist rtl2830
EOF

mv no-rtl.conf /etc/modprobe.d/

apt install -y git-core git wget curl cmake libusb-1.0-0-dev build-essential libpulse-dev libx11-dev

#requred for pyenv python 2.7 building
apt install -y make build-essential libssl1.0-dev zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev llvm libncurses5-dev 

mkdir SDR
cd SDR/
git clone https://github.com/osmocom/rtl-sdr.git
cd rtl-sdr/
mkdir build
cd build/
cmake ../ -DINSTALL_UDEV_RULES=ON -DDETACH_KERNEL_DRIVER=ON
make
make install
ldconfig
cp /root/SDR/rtl-sdr/rtl-sdr.rules /etc/udev/rules.d/

cd ~/SDR/

git clone https://github.com/EliasOenal/multimon-ng.git
cd multimon-ng/
mkdir build
cd build/
cmake ..
make
make install

curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.9/install.sh | bash

source ~/.bashrc

nvm install 8.9.3
nvm use 8.9.3
nvm alias default 8.9.3

npm install pm2 -g
export NODE_ENV=production

pm2 install pm2-logrotate
pm2 logrotate -u user

cd ~

#Python version management system
curl -L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer | bash

echo 'export PATH="$HOME/.pyenv/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(pyenv init -)"' >> ~/.bashrc
echo 'eval "$(pyenv virtualenv-init -)"' >> ~/.bashrc

source ~/.bashrc

#rm -fr ~/.pyenv # removes pyenv

#locate openssl lib to prevent build errors
CFLAGS=-I/usr/include/openssl LDFLAGS=-L/usr/lib pyenv install -v 2.7

pyenv global 2.7

cd ~/SDR/

git clone https://github.com/davidmckenzie/pagermon.git
cd pagermon/server/
npm install 
cd ../client/
npm install

thanks for sharing! this is awesome, got me decoding pocsag2400 in no time

Pagermon never seems to get any messages. The README has no real instructions on getting it up and running...