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computing:virtmanagerhell

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computing:virtmanagerhell [2022/11/13 18:14] oemb1905computing:virtmanagerhell [2022/11/25 17:58] oemb1905
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   virsh snapshot-info guest1 snapshot   virsh snapshot-info guest1 snapshot
   virsh snapshot-dumpxml guest1 snapshot1   virsh snapshot-dumpxml guest1 snapshot1
 +  
 +If you need to make a live backup, do the following (Note: make sure that ''sudo apt install qemu-guest-agent'' is installed on the guest OS):
 +
 +
 +  virsh domfsfreeze guest1.qcow2
 +  qemu-img create -f qcow2 -b guest1.qcow2 snapshot.qcow2
 +  virsh domfsthaw guest1.qcow2
 +
      
 At times you may need to resize or gather information about a particular virtual disk. If they are in the qcow2 format, gather information as follows: At times you may need to resize or gather information about a particular virtual disk. If they are in the qcow2 format, gather information as follows:
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   qemu-img info disk.qcow2   qemu-img info disk.qcow2
      
-To regain space that is being used needlessly, you can sparsify the qcow2 disk as follows:+To regain space that is being used needlessly, you can sparsify the qcow2 disk. Note that you must install virt-sparsify separately with ''sudo apt install libguestfs-tools''
  
   virt-sparsify --in-place disk.qcow2   virt-sparsify --in-place disk.qcow2
Line 179: Line 187:
   kpartx -d debian10.img   kpartx -d debian10.img
  
- --- //[[jonathan@haacksnetworking.org|oemb1905]] 2022/11/13 08:40//+ --- //[[jonathan@haacksnetworking.org|oemb1905]] 2022/11/25 10:55//
computing/virtmanagerhell.txt · Last modified: 2023/01/15 17:47 by oemb1905