In my previous article KVM Guests: Using Virt-Install to Import an Existing Disk Image we discussed how to use virt-install to import an existing disk image, which already has an OS installed into it. Additionally in KVM Guests: Using Virt-Install to Install Debian and Ubuntu Guests I documented how to…
Linux-KVM: Taking Advantage of Memory Deduplication
Kernel Samepage Merging (KSM) is essentially active memory deduplication. What does this means for our KVM guests? Basically the more similar guests we have running, the more of a memory footprint they share, which means less memory they actually hold. These free pages can then be reutilized by the host…
Linux-KVM: Converting Raw Disk Images to LVM Logical Volumes
Linux Logical Volume Manager provides a better method for managing your disks in the home and even more so in the datacenter. I briefly outlined some of the benefits afforded us by LVM2 in a previous article Linux LVM2: Flexible Local Storage Management. In this article I will provide you…
KVM Guests: Using Virt-Install to Import an Existing Disk Image
In my previous article KVM Guests: Using Virt-Install to Install Debian and Ubuntu Guests we identified how we can use the virt-install command to create a KVM VM and instead of using an iso or physical cd for the install media we can instead use a boot image from an…
KVM Guests: Using Virt-Install to Install Debian and Ubuntu Guests
I like to be able to spin up a VM without looking for CD media so for a while now I have been using ISO images for all of my installs directly, however I found my self scurrying around “digitally” looking for the correct iso in much the same way…