install base os - lrahmani/openhpc-on-virtualbox GitHub Wiki

  1. Create a new VM adminNodeOHPC and configure it to boot from CentOS-7-x86_64-Minimal-1708.iso file.
  2. Start the VM, install CentOS7 and reboot to login as root.
  3. Configure the network interface on the VM as NAT for internet access
dhclient enp0s3 -v
  1. Install usefull packages
yum -y install wget net-tools telnet rsync
  1. Disable SELinux (recommended by the official install guide in references) and the firewall
## Disable SELinux
sed -i '/^SELINUX=/c\SELINUX=disabled' /etc/sysconfig/selinux
## Disable firewall
systemctl disable firewalld
systemctl stop firewalld