? RHSCA & RHCE   (NSF, Samba Server, MariaDB, KVM, Raid Storage, etc.) Ubuntu Private Clouds          OpenSatck Killo,juno Chef Server          Hypervisor                         Type 1 (Bare Metal)         • VMware VSphere & client • Citrix XenSever & Xen Center • Microsoft Hyper-V 2012R2 / 2008 & Server Manager                  Type 2 (Host Base) • VMware • Virtualbox • KVM  (Kernal Base )   AWS (Amazon web services)                • EC2 • Container Service  (ECS) • RDS  • Elastic cache • IAM