1.1. Virtualization Concepts and Theory
1.2. Xen
1.3. KVM
1.4. Other Virtualization Solutions
1.5. Libvirt and Related Tools
1.6. Cloud Management Tools
2.1. High Availability Concepts and Theory
2.2. Load Balanced Clusters
2.3. Failover Clusters
2.4. High Availability in Enterprise Linux Distributions
3.1. DRBD / cLVM
3.2. Clustered File Systems