qemu-system-x86_64
TLDR
Boot ISO image
$ qemu-system-x86_64 -cdrom [image.iso] -boot d
Boot disk image$ qemu-system-x86_64 -hda [disk.qcow2]
Boot with memory and CPU$ qemu-system-x86_64 -m [2G] -smp [2] -hda [disk.qcow2]
Boot with KVM acceleration$ qemu-system-x86_64 -enable-kvm -m [4G] -hda [disk.qcow2]
Boot with network$ qemu-system-x86_64 -hda [disk.qcow2] -nic user,hostfwd=tcp::2222-:22
SYNOPSIS
qemu-system-x86_64 [options] [diskimage_]
DESCRIPTION
qemu-system-x86_64 emulates x86_64 systems. Full system emulator for running operating systems. Supports KVM hardware acceleration on Linux for near-native performance.
PARAMETERS
-m size
RAM size (e.g., 2G, 4096M).-smp cpus
Number of CPUs.-hda file
Primary hard disk image.-cdrom file
CD-ROM image.-boot order
Boot order (c=disk, d=cdrom).-enable-kvm
Enable KVM acceleration.-nic options
Network configuration.-nographic
Disable graphical output.-vnc display
Enable VNC server.
SEE ALSO
qemu-img(1), qemu-system-i386(1)
