Step 1 : Make sure you have a VPS with Ubuntu 16.04 available and you are logged in as user root.

Step 2 : Run commands ( As user root ) :

cd /root

wget https://raw.githubusercontent.com/Moondex/moondex_sentinel/master/moondexcoin_mn.sh

chmod +x moondexcoin_mn.sh

./moondexcoin_mn.sh

Follow the instructions on your screen.

Step 1 : Run commands ( As user root ) :

cd /root

wget https://raw.githubusercontent.com/Moondex/MasterNodeSetupGuide/master/upgrade-ubuntu16.sh

chmod +x upgrade-ubuntu16.sh

./upgrade-ubuntu16.sh

Follow the instructions on your screen.

For the PC Wallet, you normally do not need to change the moondex.conf. If the wallet fails to sync, you can have a check at the above fix

Yes, please find it below:

rpcuser=YOUR_RPC_USER_NAME
rpcpassword=YOUR_RPC_PASSWORD
rpcallowip=127.0.0.1
server=1
daemon=1
listen=1
rpcport=8960
port=8906
externalip=YOUR_VPS_IP
bind=YOUR_VPS_IP
maxconnections=256
masternode=1
masternodeprivkey=YOUR_PRIVATE_KEY