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| == What is UEC? == Ubuntu Enterprise Cloud (UEC) is a software product that you can install on your own servers to create your own cloud computing environment behind the firewall. UEC provides an Amazon EC2 compatible API interface, such that many tools that configure EC2, can be used readily on UEC. |
== What is Ubuntu Cloud? == Ubuntu Cloud is a software product that you can install on your own servers to create your own cloud computing environment behind the firewall. Ubuntu Cloud provides an Amazon EC2 compatible API interface, such that many tools that configure EC2, can be used readily on it. |
Cloud Questions
What is a Cloud ?
Wikipedia defines cloud computing as "Internet-based computing, whereby shared resources, software, and information are provided to computers and other devices on demand, like the electricity grid"
For a discussion of what cloud computing means, and why everything seems to be going that way, check out Matt Zimmerman's On Cloud blog post
Ubuntu Cloud Questions
What is Ubuntu Cloud?
Ubuntu Cloud is a software product that you can install on your own servers to create your own cloud computing environment behind the firewall. Ubuntu Cloud provides an Amazon EC2 compatible API interface, such that many tools that configure EC2, can be used readily on it.
Ubuntu over EC2 Questions
Why can't I upgrade the image's kernel in an EC2 AMI?
In 10.04, the -server kernel that is also installed is not usable on EC2. The kernel is present there to aid in moving to UEC if you so desired. UEC uses kvm and full virtualization rather than xen/paravirt. On 10.04 and EC2, you could safely remove that kernel if you wanted.
On 10.10 (maverick), you will both be able to boot the -virtual kernel, and will by default. Maverick images use the pv-grub loader recently released by Amazon, and use a pv-ops kernel, so one kernel can run on xen or on kvm (or actually "bare metal").