====== QEMU ======
  * https://www.qemu.org/
  * [[kvm|KVM]] 과 함께 사용할 때 최적 성능 발휘
  * [[https://namu.wiki/w/QEMU|나무위키 QEMU]]
  * [[https://www.ubuntubuzz.com/2020/10/how-to-use-aqemu-virtual-machine-on-ubuntu.html|How To Use AQEMU Virtual Machine on Ubuntu]]

===== Install =====
<code sh>
sudo apt install libvirt-daemon bridge-utils qemu-system-x86 virt-manager

# id 명령으로 체크했을때 libvirt Group 에 속하지 않는다면
sudo usermod -aG libvirt <USERNAME>
sudo usermod -aG kvm <USERNAME>

# 재부팅

# libvirtd 자동 시작 - 보통은 설치하면 자동으로 됨
sudo systemctl start libvirtd
sudo systemctl enable libvirtd
</code>

===== virsh - command line tool =====
  * [[https://libvirt.org/manpages/virsh.html|libvirt: virsh]]
  * libvirt 로 만들어진 가상 머신을 관리하는 shell
  * [[https://hiseon.me/server/virsh-commands/|virsh 명령어 - HiSEON]]

===== virt-manager - GUI =====
  * [[linux:virt_manager|Virt Manager]]


===== 3D GPU =====
  * [[https://virgil3d.github.io/|Virgil 3D GPU project by virgil3d]]

===== VirtualBox Image -> QEMU Image =====
  * [[https://www.agix.com.au/migrate-a-virtualbox-disk-image-vdi-to-a-qemu-image-img/|Migrate a VirtualBox Disk Image (.vdi) to a QEMU Image (.img)]]
  * [[https://ko.linux-console.net/?p=379|"Linux의 KVM에서 Virtualbox VM을 사용하는 방법"]]
  * 기본 명령<code sh>
qemu-img convert -f vdi -O raw "</path/to/vbox.vdi>" "</path/to/qemu.img">
</code>
  * qemu 이미지는 ''/var/lib/libvirt/images''가 기본값인듯.

===== 참조 =====
  * [[https://www.youtube.com/watch?v=BgZHbCDFODk|QEMU/KVM for absolute beginners - YouTube]] : 기초를 가장 잘 설명하는듯.
  * [[https://cloudbuilder.in/blogs/2014/03/09/kvm-and-qemu/|KVM and QEMU – do you know the connection? - The Cloud Builder - Sriram]]
  * [[https://www.fir3net.com/UNIX/Linux/what-is-the-difference-between-qemu-and-kvm.html|What Is the Difference between QEMU and KVM?]]
  * [[https://blog.wirelessmoves.com/2018/05/kvm-qemu-vs-virtualbox-for-my-cloud-at-home.html|KVM/Qemu vs Virtualbox for my Cloud at Home – WirelessMoves]]
  * [[https://wiki.libvirt.org/page/QEMUSwitchToLibvirt|QEMUSwitchToLibvirt - Libvirt Wiki]]
  * [[https://www.youtube.com/watch?v=2SdSiJTGKLM|How to install & use QEMU+KVM and virt-manager - YouTube]]
  * [[https://www.christitus.com/vm-setup-in-linux|Virtual Machine Setup in Linunx]]
  * [[https://www.youtube.com/watch?v=wxxP39cNJOs&ab_channel=MentalOutlaw|Ditch Virtualbox, Get QEMU/Virt Manager - YouTube]]
  * [[https://www.youtube.com/watch?v=KVDUs019IB8|GPU Pass-through On Linux/Virt-Manager - YouTube]]