QEMU basic setup

#based on tutorial at https://christitus.com/vm-setup-in-linux/
#Check Virtualization Extension
#should return greater than 0
egrep -c '(vmx|svm)' /proc/cpuinfo

sudo apt install qemu-kvm qemu-system qemu-utils python3 python3-pip libvirt-clients libvirt-daemon-system bridge-utils virtinst libvirt-daemon virt-manager -y
sudo systemctl status libvirtd.service

#Start Default Network for Networking
sudo virsh net-start default
sudo virsh net-autostart default

#Check status with
sudo virsh net-list --all

#Add User to libvirt to Allow Access to VMs
sudo usermod -aG libvirt $USER
sudo usermod -aG libvirt-qemu $USER
sudo usermod -aG kvm $USER
sudo usermod -aG input $USER
sudo usermod -aG disk $USER

#reboot for permissions to take effect

#Get ISO
wget -c "http://mirror.slitaz.org/iso/rolling/slitaz-rolling.iso"
qemu-system-i386 -enable-kvm -m 2G -smp 2 -boot d -cdrom slitaz-rolling.iso

-enable-kvm → KVM to boost performance
-m 4G → 4GB RAM
-smp 2 → 2CPUs
-hda myVirtualDisk.qcow2 → our 20GB variable-size disk
-boot d → boots the first virtual CD drive
-cdrom linuxmint-21.1-cinnamon-64bit.iso → Linux Mint ISO
-netdev user,id=net0,net=192.168.0.0/24,dhcpstart=192.168.0.9 → NAT with DHCP
-device virtio-net-pci,netdev=net0 → network card
-vga qxl → powerful graphics card
-device AC97 → sound card