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Copying a Virtual Machine lv or Partition Over SSH
* Copying a Logical Volume or Partition over SSH
dd if=/dev/vg0/partition-snapshot bs=1k | ssh remotehost dd of=/dev/vg0/partition-destination bs=1k

* Making a LVM Snapshot

Making a snapshot is not as straightforward as it should be on LVM2. Here's how I do it using an imaginary logical volume called "partition" in a volume group called "vg0." First create a partition to hold the snapshot that is the same size as the live partition.

lvcreate -n partition-snapshot -L 10g vg0
lvconvert -s vg0/partition vg0/partition-snapshot

When you're done with it, you can deactivate it with:

lvremove vg0/partition-snapshot
backup  qemu  kvm  virtualization  ssh  vm  dd  snapshot 
13 hours ago by dusko
QEMU KVM Virtualization Notes
* How to mount qcow2 disk image on Linux
- Question: I have a qcow2-type disk image which is used by one my guest VMs on QEMU/KVM. I want to modify the content of the disk image without powering on the VM, and for this I need to mount the disk image somewhere. Is there a way to mount a qcow2 disk image on Linux?
http://ask.xmodulo.com/mount-qcow2-disk-image-linux.html

* Mounting QEMU images
http://blog.siphos.be/2016/09/mounting-qemu-images/

* A Centos 7 virtual machine host
http://blog.redit.name/posts/2016/a-centos-7-virtual-machine-host.html

* Virtualizing a physical Linux machine
- Jack Wallen explains how with just two commands you can have a file ready to import into your virtual machine tool of choice.
https://www.techrepublic.com/blog/tr-dojo/virtualizing-a-physical-linux-machine/

* CentOS 7: GRUB2 and Linux with serial console
This article will describe changing GRUB2 and Linux to serial console.
https://www.hiroom2.com/2016/06/07/centos-7-grub2-and-linux-with-serial-console/

* Getting GRUB2 on a qemu disk
https://codezen.org/viridis-ng/2012/08/31/preliminary-work-getting-a-grub2-on-a-qemu-disk/

* Centos7 serial console enabled by grub /etc/default/grub, "grub-mkconfig -o /boot/grub/grub.cfg"
https://gist.github.com/goffinet/ea0df57d760293a5b861e63253dfeea4

* CentOS / RHEL 7 : How to configure serial getty with systemd
https://www.thegeekdiary.com/centos-rhel-7-how-to-configure-serial-getty-with-systemd/

* Enable serial console output in CentOS 7
https://gist.github.com/abeyt/9c3665c4b742d87c84bb

* Modifying files inside a snapshot (qemu img file)
https://unix.stackexchange.com/questions/199673/modifying-files-inside-a-snapshot-qemu-img-file#199764

* Modify Images - OpenStack
https://docs.openstack.org/image-guide/modify-images.html

* guestfs-recipes - libguestfs, guestfish and virt tools recipes
http://libguestfs.org/guestfs-recipes.1.html

* virt-rescue - Run a rescue shell on a virtual machine
http://libguestfs.org/virt-rescue.1.html

* Managing Disk Images with qemu-img
https://www.suse.com/documentation/sles11/book_kvm/data/cha_qemu_guest_inst_qemu-img.html

* Modifying QCOW Images with Guestfish
https://blog.scottlowe.org/2014/03/17/modifying-qcow-images-with-guestfish/
qemu  kvm  virtualization  vm  from notes
2 days ago by dusko
Mounting QEMU images
kpartx works only with raw (uncompressed) images.
kvm  qemu  virtualization  vm 
4 days ago by dusko

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