[2024-feb-29] Sad news: Eric Layton aka Nocturnal Slacker aka vtel57 passed away on Feb 26th, shortly after hospitalization. He was one of our Wiki's most prominent admins. He will be missed.

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howtos:emulators:kvm_libvirt_qemu_quirks_tips_etc [2023/11/05 20:46 (UTC)] – another section added zeebrahowtos:emulators:kvm_libvirt_qemu_quirks_tips_etc [2023/11/05 20:49 (UTC)] – [QEMU QCOW2 freed virtual disk space doesn't shrink image] zeebra
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 === How to manually shrink the QCOW2 image to reflect the content on the virtual disk image === === How to manually shrink the QCOW2 image to reflect the content on the virtual disk image ===
  
-1. Inside the virtual machine, write zeroes to a file until the disk is full+1. Inside the virtual machine, write zeroes to a file until the virtual disk is full. In a terminal:
 <code> <code>
 dd if=/dev/zero of=/some/file dd if=/dev/zero of=/some/file

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howtos:emulators:kvm_libvirt_qemu_quirks_tips_etc ()