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  • Virtual machine console access in Linux KVM

    calendar May 1, 2022 nav_categories Tech nav_categories Software nav_tags virtual machine nav_tags vm nav_tags kvm nav_tags linux nav_tags ubuntu 20.04 nav_tags console

    One of the things I always like about using VMWare's ESXi servers was the ability to access the console of the virtual machine (VM).

    This ability also exists when using Linux KVM and Linux VMs, and is pretty simple to set up.

    Bonus points after a small config change, it's much more usable.

    Enable the console from …

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  • Moving a VM to another KVM host

    calendar January 22, 2022 nav_categories Tech nav_tags kvm nav_tags virtual machine nav_tags vm nav_tags virsh

    I have two KVM systems: one that run on my NAS, and one dedicated for KVM, which is also the one I use for lab testing.

    I've found a couple of times where I've had a VM on my lab KVM that I wanted to move/migrate to my NAS (non-lab, or prod) KVM.

    Not difficult to do, as both systems are set up the same way, …

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  • Enabling KVM host to virtual machine communication

    calendar January 6, 2022 nav_categories Tech nav_categories Networking nav_tags networking nav_tags ip nav_tags route nav_tags linux nav_tags kvm nav_tags virtual machine nav_tags vm

    Virtual machines (VM) and their KVM host can't communicate over the network, which is by design.

    There are times however, that I want to enable VM to KVM host communication, typically because the KVM host is hosting something else I want to access from the VM..

    The two ways of doing this, along with the pros and cons: …

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  • Webvirtcloud in a Docker container with persisted data

    calendar December 30, 2021 nav_categories Tech nav_categories Software nav_tags webvirtcloud nav_tags docker nav_tags kvm nav_tags python

    I was using Webvirtcloud install on my KVM device, but decided to switch to a Docker container, as I've been trying to move as much as possible to Docker, for the sake of simplicity, and easier recovery if/when something goes wrong.

    The install was easy, but there were a few commands that had to be run as a different …

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  • Expanding the hard drive (LVM) of a Linux virtual machine

    calendar October 23, 2021 nav_categories Tech nav_categories Hardware nav_tags linux nav_tags kvm nav_tags virsh nav_tags qemu nav_tags lvextend nav_tags pvresize nav_tags growpart nav_tags lsblk

    I was doing some testing of using a Samba share for OSX's Time Machine backup, and needed to verify that it would actually work.

    My initial test simply made sure that the Samba share showed up as an option in the Time Machine preferences, but I needed to run a Time Machine backup.

    However, the Ubuntu VM I've been using …

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  • KVM on Ubuntu Server 20.04

    calendar May 18, 2021 nav_categories Tech nav_tags kvm nav_tags ubuntu nav_tags ubuntu server nav_tags ubuntu server 20.04 nav_tags virtualization

    I bought a new server, specifically to run virtual machines (VMs).

    KVM described, directly from RedHat:

    Kernel-based Virtual Machine (KVM) is an open source virtualization technology built into Linux®. Specifically, KVM lets you turn Linux into a hypervisor that allows a host machine to run multiple, isolated virtual …

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