yum -y install git epel-release
sed -e 's/https/http/g' -i /etc/yum.repos.d/epel.repo 
sed -e 's/https/http/g' -i /etc/yum.repos.d/epel-testing.repo 
yum -y install npm
git clone https://github.com/TryGhost/Ghost /opt/ghost/
cd /opt/ghost
npm install -g grunt-cli
npm install --production
grunt init
grunt prod

git clone https://github.com/strizhechenko/ghost-sysvinit.git /tmp/ghost-init
cp -p /tmp/ghost-init/ghost /etc/rc.d/init.d/ghost
chkconfig --level 345 ghost on
service ghost restart

Забить хуй. Читать https://github.com/tryghost/Ghost