Install ceph luminous on CentOS 7.5

cephinstall.sh

# start with this
wget http://eu.ceph.com/rpm-luminous/el7/noarch/ceph-release-1-1.el7.noarch.rpm
sudo rpm -Uvh ceph-release-1-1.el7.noarch.rpm

# this is required for the ADMIN node only 
sudo yum install python-jinja2
wget http://mirror.centos.org/centos/7/extras/x86_64/Packages/python-itsdangerous-0.23-2.el7.noarch.rpm
wget http://mirror.centos.org/centos/7/extras/x86_64/Packages/python-werkzeug-0.9.1-2.el7.noarch.rpm
wget http://mirror.centos.org/centos/7/extras/x86_64/Packages/python-flask-0.10.1-4.el7.noarch.rpm
sudo rpm -i python-itsdangerous-0.23-2.el7.noarch.rpm python-flask-0.10.1-4.el7.noarch.rpm python-werkzeug-0.9.1-2.el7.noarch.rpm
sudo yum update -y && sudo yum install -y ceph-deploy
 
# this is required for ALL the nodes
sudo yum install -y ceph-common-2:12.2.7-0.el7.x86_64
wget http://eu.ceph.com/rpm-luminous/el7/x86_64/ceph-selinux-12.2.7-0.el7.x86_64.rpm
sudo rpm -ivh --force --nodeps ceph-selinux-12.2.7-0.el7.x86_64.rpm
sudo yum install -y ceph-2:12.2.7-0.el7.x86_64