[root@home ~]# systemctl set-default multi-user.target
[root@home ~]# vi /etc/selinux/config SELINUX=disabled
[root@home ~]# systemctl stop firewalld.service
[root@home ~]# systemctl disable firewalld.service
[root@home ~]# mkdir /mnt/rhel [root@home ~]# mount -o loop -t iso9660 /opt/rhel-server-7.4-x86_64-dvd.iso /mnt/rhel [root@home ~]# vi /etc/yum.repos.d/rhel.repo [rhel] name=rhel baseurl=file:///mnt/rhel gpgcheck=0 enabled=1 [root@home ~]# yum repolist