EC2

EC2

1. Hypervisor

   • Type I
     • Bare-metal hypervisor
       • can directly access machine's memory and processor
     • vSphere, is a component orchestrating VMs on hypervisors, moving VM to another hypervisor in case of failure etc. vSphere installed on a client's machine.
     • SAN - Storage Area Network
     • Requires a management console, eg. vSphere
     • Getting complicated! :(
   • Type II
     • eg. VirtualBox :)
     • There's already a OS on the machine.
     • Great for testing!
     • Easier than Type I !! =)
   • The most low-level operating system to host many virtual machines.
   • Virtual machine
   • Hypervisors in EC2
     • nitro
     • xen

2. Hyper-V

3. Instamces

   • STOP VS STOP HIBERNATE

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