To run the script you must execute followings commands and follow the instructions:
wget https://raw.githubusercontent.com/MutanteGithub/SecureCloud/master/install_multy_mn_SCN.sh -O install_multy_mn_SCN.sh
chmod 755 install_multy_mn_SCN.sh
./install_multy_mn_SCN.sh
For update to 2.5.1 version (change the binaries and restart and activate all SCN Masternodes on your VPS):
wget https://raw.githubusercontent.com/MutanteGithub/SecureCloud/master/update_SCN_251.sh -O update_SCN_251.sh
chmod 755 update_SCN_251.sh
./update_SCN_251.sh