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KVM Host- Read your hypervisor’s Performance using Top

How subscribed is your server? Here’s a sample of top output.  Here’s some key things that beginners need to know about how your host “sees” the VM’s.  My example is KVM on LTS.  This example is based on a dual proc xeon 8 cores, no hyperthreading, 64GB, HP Gen 5 Proliant Rack Server.   Tasks: 238 total, 1 running, 237 sleeping, 0 stopped, 0 zombie %Cpu0 : 1.0 us, 0.7 sy, 0.0 ni, 98.3 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st %Cpu1 : 1.7 us, 0.7 sy, 0.0…

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KVM and Ubuntu Basics – How to Properly Backup your XML Files

So in finicking around with KVM on my Ubuntu 16.04.1 for a little bit, and i’d like to share something that may really save you a lot of time and effort when it comes to those pesky xml files that describe what your Virtual Machine is, and what it’s got under the hood for resources. I first came to the realization that there are more than just one XML files generated in order to satsify all the components of the VM.   There’s XML files for Network Network Filter Rules…

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