Installing FFmpeg

yum install epel-release -y
yum update -y
shutdown -r now
sudo rpm --import
sudo rpm -Uvh
yum install ffmpeg ffmpeg-devel -y
ffmpeg -version

Node Js

sudo yum install curl -y
yum remove nodejs-6.14.2-1.el7.x86_64
curl --silent --location | bash -
yum install npm -y
yum install nodejs -y

Getting ready to install Shinobi

yum install git -y
git clone Shinobi
cd Shinobi
chmod +x INSTALL/ && INSTALL/

I asked the install each item it asked about I also selected to use SQLite3.

Open ports required to access Shinobi

firewall-cmd --zone=public --add-port=8080/tcp --permanent
firewall-cmd --reload 
systemctl restart firewalld
firewall-cmd --zone=public --list-port