quickemu/docs/quickemu.1

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.TH "QUICKEMU" "1" "August 19, 2022" "quickemu" "Quickemu User Manual"
.hy
.SH NAME
.PP
quickemu - A quick VM builder and manager
.SH SYNOPSIS
.PP
\f[B]quickemu\f[R] [\f[I]OPTION\f[R]]\&...
.SH DESCRIPTION
.PP
\f[B]quickemu\f[R] will create and run highly optimised desktop virtual
machines for Linux, macOS and Windows
.SH OPTIONS
.TP
\f[B]\[en]vm\f[R]
vm configuration file
.PP
You can also pass optional parameters
.TP
\f[B]\[en]braille\f[R]
Enable braille support.
Requires SDL.
.TP
\f[B]\[en]delete\f[R]
Delete the disk image.
.TP
\f[B]\[en]display\f[R]
Select display backend.
`sdl' (default), `gtk', `none' or `spice'
.TP
\f[B]\[en]fullscreen\f[R]
Starts VM in full screen mode (Ctl+Alt+f to exit)
.TP
\f[B]\[en]ignore-msrs-always\f[R]
Configure KVM to always ignore unhandled machine-specific registers
.TP
\f[B]\[en]screen <screen>\f[R]
Use specified screen to determine the window size.
.TP
\f[B]\[en]shortcut\f[R]
Create a desktop shortcut
.TP
\f[B]\[en]snapshot apply <tag>\f[R]
Apply/restore a snapshot.
.TP
\f[B]\[en]snapshot create <tag>\f[R]
Create a snapshot.
.TP
\f[B]\[en]snapshot delete <tag>\f[R]
Delete a snapshot.
.TP
\f[B]\[en]snapshot info\f[R]
Show disk/snapshot info.
.TP
\f[B]\[en]status-quo\f[R]
Do not commit any changes to disk/snapshot.
.TP
\f[B]\[en]version\f[R]
Print version
.SH EXAMPLES
.TP
\f[B]quickemu \[en]vm ubuntu-mate-22.04.conf\f[R]
Launches the VM specified in the file \f[I]ubuntu-mate-22.04.conf\f[R]
.SS Introduction
.PP
Quickly create and run highly optimised desktop virtual machines for
Linux, macOS and Windows; with just two commands.
You decide what operating system you want to run and Quickemu will
figure out the best way to do it for you.
For example:
.IP
.nf
\f[C]
quickget ubuntu-mate 22.04
quickemu --vm ubuntu-mate-22.04.conf
\f[R]
.fi
.PP
The original objective of the project was to enable quick testing of
Linux distributions where the virtual machine configurations can be
stored anywhere, such as external USB storage or your home directory,
and no elevated permissions are required to run the virtual machines.
\f[B]Quickemu now also includes comprehensive support for macOS and
Windows\f[R].
.SS Features
.IP \[bu] 2
\f[B]macOS\f[R] Monterey, Big Sur, Catalina, Mojave & High Sierra
.IP \[bu] 2
\f[B]Windows\f[R] 8.1, 10 and 11 including TPM 2.0
.IP \[bu] 2
Ubuntu (https://ubuntu.com/desktop) and all the \f[B]official Ubuntu
flavours (https://ubuntu.com/download/flavours)\f[R]
.IP \[bu] 2
\f[B]Over 360 operating system editions are supported!\f[R]
.IP \[bu] 2
Full SPICE support including host/guest clipboard sharing
.IP \[bu] 2
VirtIO-webdavd file sharing for Linux and Windows guests
.IP \[bu] 2
VirtIO-9p file sharing for Linux and macOS guests
.IP \[bu] 2
QEMU Guest Agent support (https://wiki.qemu.org/Features/GuestAgent);
provides access to a system-level agent via standard QMP commands
.IP \[bu] 2
Samba file sharing for Linux, macOS and Windows guests (\f[I]if
\f[VI]smbd\f[I] is installed on the host\f[R])
.IP \[bu] 2
VirGL acceleration
.IP \[bu] 2
USB device pass-through
.IP \[bu] 2
Smartcard pass-through
.IP \[bu] 2
Automatic SSH port forwarding to guests
.IP \[bu] 2
Network port forwarding
.IP \[bu] 2
Full duplex audio
.IP \[bu] 2
Braille support
.IP \[bu] 2
EFI (with or without SecureBoot) and Legacy BIOS boot
.IP \[bu] 2
Graphical user interfaces available
.PP
Quickemu is a wrapper for the excellent QEMU (https://www.qemu.org/)
that attempts to automatically \f[I]\[lq]do the right thing\[rq]\f[R],
rather than expose exhaustive configuration options.
.PP
We have a Discord for this project:
[IMAGE: Discord (https://img.shields.io/discord/712850672223125565?color=0C306A&label=WimpysWorld%20Discord&logo=Discord&logoColor=ffffff&style=flat-square)] (https://discord.gg/sNmz3uw)
.PP
See this (old) video where I explain some of my motivations for creating
Quickemu.
.PP
[IMAGE: Replace VirtualBox with Bash &
QEMU (https://img.youtube.com/vi/AOTYWEgw0hI/0.jpg)] (https://www.youtube.com/watch?v=AOTYWEgw0hI)
.SS Requirements
.IP \[bu] 2
QEMU (https://www.qemu.org/) (\f[I]6.0.0 or newer\f[R]) \f[B]with GTK,
SDL, SPICE & VirtFS support\f[R]
.IP \[bu] 2
bash (https://www.gnu.org/software/bash/) (\f[I]4.0 or newer\f[R])
.IP \[bu] 2
Coreutils (https://www.gnu.org/software/coreutils/)
.IP \[bu] 2
EDK II (https://github.com/tianocore/edk2)
.IP \[bu] 2
grep (https://www.gnu.org/software/grep/)
.IP \[bu] 2
jq (https://stedolan.github.io/jq/)
.IP \[bu] 2
LSB (https://wiki.linuxfoundation.org/lsb/start)
.IP \[bu] 2
procps (https://gitlab.com/procps-ng/procps)
.IP \[bu] 2
python3 (https://www.python.org/)
.IP \[bu] 2
macrecovery (https://github.com/acidanthera/OpenCorePkg/tree/master/Utilities/macrecovery)
.IP \[bu] 2
mkisofs (http://cdrtools.sourceforge.net/private/cdrecord.html)
.IP \[bu] 2
usbutils (https://github.com/gregkh/usbutils)
.IP \[bu] 2
util-linux (https://github.com/karelzak/util-linux)
.IP \[bu] 2
sed (https://www.gnu.org/software/sed/)
.IP \[bu] 2
spicy (https://gitlab.freedesktop.org/spice/spice-gtk)
.IP \[bu] 2
swtpm (https://github.com/stefanberger/swtpm)
.IP \[bu] 2
Wget (https://www.gnu.org/software/wget/)
.IP \[bu] 2
xdg-user-dirs (https://www.freedesktop.org/wiki/Software/xdg-user-dirs/)
.IP \[bu] 2
xrandr (https://gitlab.freedesktop.org/xorg/app/xrandr)
.IP \[bu] 2
zsync (http://zsync.moria.org.uk/)
.IP \[bu] 2
unzip (http://www.info-zip.org/UnZip.html)
.SS Installing Requirements
.PP
For Ubuntu, Arch and nixos systems the
ppa (https://launchpad.net/~flexiondotorg/+archive/ubuntu/quickemu),
AUR (https://aur.archlinux.org/packages/quickemu) or
nix (https://github.com/NixOS/nixpkgs/tree/master/pkgs/development/quickemu)
packaging will take care of the dependencies.
For other host distributions or operating systems it will be necessary
to install the above requirements or their equivalents.
.PP
These examples may save a little typing
.PP
Debian:
.IP
.nf
\f[C]
sudo apt install qemu bash coreutils ovmf grep jq lsb procps python3 genisoimage usbutils util-linux sed spice-client-gtk swtpm wget xdg-user-dirs zsync unzip
\f[R]
.fi
.PP
Fedora:
.IP
.nf
\f[C]
sudo dnf install qemu bash coreutils edk2-tools grep jq lsb procps python3 genisoimage usbutils util-linux sed spice-gtk-tools swtpm wget xdg-user-dirs xrandr unzip
\f[R]
.fi
.PP
MacOS:
.PP
This is a work in progress (see issue
248 (https://github.com/quickemu-project/quickemu/issues/248) for other
steps and changes that may enable running on MacOS)
.IP
.nf
\f[C]
brew install qemu bash coreutils grep jq python\[at]3.10 cdrtools gnu-sed spice-gtk wget zsync
\f[R]
.fi
.SH Usage
.SS Graphical User Interfaces
.PP
While \f[V]quickemu\f[R] and \f[V]quickget\f[R] are designed for the
terminal, a graphical user interface is also available:
.IP \[bu] 2
\f[B]Quickgui (https://github.com/quickgui/quickgui)\f[R] by Mark
Johnson (https://github.com/marxjohnson) and Yannick
Mauray (https://github.com/ymauray).
.PP
Many thanks to Luke Wesley-Holley (https://github.com/Lukewh) and
Philipp Kiemle (https://github.com/daPhipz) for creating the
\f[B]Quickemu icons (https://github.com/Lukewh/quickemu-icons)\f[R]
\[u1F3A8]
.SS Quickgui for Ubuntu
.IP
.nf
\f[C]
sudo add-apt-repository ppa:yannick-mauray/quickgui
sudo apt update
sudo apt install quickgui
\f[R]
.fi
.SS Ubuntu Guest
.PP
\f[V]quickget\f[R] will automatically download an Ubuntu release and
create the virtual machine configuration.
.IP
.nf
\f[C]
quickget ubuntu 22.04
quickemu --vm ubuntu-22.04.conf
\f[R]
.fi
.IP \[bu] 2
Complete the installation as normal.
.IP \[bu] 2
Post-install:
.RS 2
.IP \[bu] 2
Install the SPICE agent (\f[V]spice-vdagent\f[R]) to enable copy/paste
and USB redirection
.RS 2
.IP \[bu] 2
\f[V]sudo apt install spice-vdagent\f[R]
.RE
.IP \[bu] 2
Install the SPICE WebDAV agent (\f[V]spice-webdavd\f[R]) to enable file
sharing.
.RS 2
.IP \[bu] 2
\f[V]sudo apt install spice-webdavd\f[R]
.RE
.RE
.SS Ubuntu devel (daily-live) images
.PP
\f[V]quickget\f[R] can also download/refresh devel images via
\f[V]zsync\f[R] for Ubuntu developers and testers.
.IP
.nf
\f[C]
quickget ubuntu devel
quickemu --vm ubuntu-devel.conf
\f[R]
.fi
.PP
You can run \f[V]quickget ubuntu devel\f[R] to refresh your daily
development image as often as you like, it will even automatically
switch to a new series.
.SS Ubuntu Flavours
.PP
All the official Ubuntu flavours are supported, just replace
\f[V]ubuntu\f[R] with your preferred flavour.
.IP \[bu] 2
\f[V]kubuntu\f[R] (Kubuntu)
.IP \[bu] 2
\f[V]lubuntu\f[R] (Lubuntu)
.IP \[bu] 2
\f[V]ubuntu-budgie\f[R] (Ubuntu Budgie)
.IP \[bu] 2
\f[V]ubuntukylin\f[R] (Ubuntu Kylin)
.IP \[bu] 2
\f[V]ubuntu-mate\f[R] (Ubuntu MATE)
.IP \[bu] 2
\f[V]ubuntustudio\f[R] (Ubuntu Studio)
.IP \[bu] 2
\f[V]ubuntu\f[R] (Ubuntu)
.IP \[bu] 2
\f[V]xubuntu\f[R] (Xubuntu)
.SS Other Operating Systems
.PP
\f[V]quickget\f[R] also supports:
.SS Other Operating Systems
.PP
\f[V]quickget\f[R] also supports:
.IP \[bu] 2
\f[V]alma\f[R] (Alma Linux)
.IP \[bu] 2
\f[V]alpine\f[R] (Alpine Linux)
.IP \[bu] 2
\f[V]android\f[R] (Android x86)
.IP \[bu] 2
\f[V]archlinux\f[R] (Arch Linux)
.IP \[bu] 2
\f[V]arcolinux\f[R] (Arco Linux)
.IP \[bu] 2
\f[V]batocera\f[R] (Batocera)
.IP \[bu] 2
\f[V]cachyos\f[R] (CachyOS)
.IP \[bu] 2
\f[V]centos-stream\f[R] (CentOS Stream)
.IP \[bu] 2
\f[V]debian\f[R] (Debian)
.IP \[bu] 2
\f[V]deepin\f[R] (Deepin)
.IP \[bu] 2
\f[V]devuan\f[R] (Devuan)
.IP \[bu] 2
\f[V]dragonflybsd\f[R] (DragonFlyBSD)
.IP \[bu] 2
\f[V]elementary\f[R] (elementary OS)
.IP \[bu] 2
\f[V]endeavouros\f[R] (EndeavourOS)
.IP \[bu] 2
\f[V]fedora\f[R] (Fedora)
.IP \[bu] 2
\f[V]freebsd\f[R] (FreeBSD)
.IP \[bu] 2
\f[V]freedos\f[R] (FreeDOS)
.IP \[bu] 2
\f[V]garuda\f[R] (Garuda Linux)
.IP \[bu] 2
\f[V]gentoo\f[R] (Gentoo)
.IP \[bu] 2
\f[V]ghostbsd\f[R] (GhostBSD)
.IP \[bu] 2
\f[V]haiku\f[R] (Haiku)
.IP \[bu] 2
\f[V]kali\f[R] (Kali)
.IP \[bu] 2
\f[V]kdeneon\f[R] (KDE Neon)
.IP \[bu] 2
\f[V]kolibrios\f[R] (KolibriOS)
.IP \[bu] 2
\f[V]linuxmint\f[R] (Linux Mint)
.IP \[bu] 2
\f[V]lmde\f[R] (Linux Mint Debian Edition)
.IP \[bu] 2
\f[V]manjaro\f[R] (Manjaro)
.IP \[bu] 2
\f[V]mxlinux\f[R] (MX Linux)
.IP \[bu] 2
\f[V]netboot\f[R] (netboot.xyz)
.IP \[bu] 2
\f[V]netbsd\f[R] (NetBSD)
.IP \[bu] 2
\f[V]nixos\f[R] (NixOS)
.IP \[bu] 2
\f[V]openbsd\f[R] (OpenBSD)
.IP \[bu] 2
\f[V]opensuse\f[R] (openSUSE)
.IP \[bu] 2
\f[V]oraclelinux\f[R] (Oracle Linux)
.IP \[bu] 2
\f[V]popos\f[R] (Pop!_OS)
.IP \[bu] 2
\f[V]reactos\f[R] (ReactOS)
.IP \[bu] 2
\f[V]regolith\f[R] (Regolith Linux)
.IP \[bu] 2
\f[V]rockylinux\f[R] (Rocky Linux)
.IP \[bu] 2
\f[V]slackware\f[R] (Slackware)
.IP \[bu] 2
\f[V]solus\f[R] (Solus)
.IP \[bu] 2
\f[V]tails\f[R] (Tails)
.IP \[bu] 2
\f[V]void\f[R] (Void Linux)
.IP \[bu] 2
\f[V]zorin\f[R] (Zorin OS)
.PP
Or you can download a Linux image and manually create a VM
configuration.
.IP \[bu] 2
Download a .iso image of a Linux distribution
.IP \[bu] 2
Create a VM configuration file; for example
\f[V]debian-bullseye.conf\f[R]
.IP
.nf
\f[C]
guest_os=\[dq]linux\[dq]
disk_img=\[dq]debian-bullseye/disk.qcow2\[dq]
iso=\[dq]debian-bullseye/firmware-11.0.0-amd64-DVD-1.iso\[dq]
\f[R]
.fi
.IP \[bu] 2
Use \f[V]quickemu\f[R] to start the virtual machine:
.IP
.nf
\f[C]
quickemu --vm debian-bullseye.conf
\f[R]
.fi
.IP \[bu] 2
Complete the installation as normal.
.IP \[bu] 2
Post-install:
.RS 2
.IP \[bu] 2
Install the SPICE agent (\f[V]spice-vdagent\f[R]) to enable copy/paste
and USB redirection.
.IP \[bu] 2
Install the SPICE WebDAV agent (\f[V]spice-webdavd\f[R]) to enable file
sharing.
.RE
.SS macOS Guest
.PP
\f[V]quickget\f[R] automatically downloads a macOS recovery image and
creates a virtual machine configuration.
.IP
.nf
\f[C]
quickget macos catalina
quickemu --vm macos-catalina.conf
\f[R]
.fi
.PP
macOS \f[V]high-sierra\f[R], \f[V]mojave\f[R], \f[V]catalina\f[R],
\f[V]big-sur\f[R] and \f[V]monterey\f[R] are supported.
.IP \[bu] 2
Use cursor keys and enter key to select the \f[B]macOS Base System\f[R]
.IP \[bu] 2
From \f[B]macOS Utilities\f[R]
.RS 2
.IP \[bu] 2
Click \f[B]Disk Utility\f[R] and \f[B]Continue\f[R]
.RS 2
.IP \[bu] 2
On macOS Catalina, Big Sur & Monterey
.RS 2
.IP \[bu] 2
Select \f[V]Apple Inc. VirtIO Block Media\f[R] from the list and click
\f[B]Erase\f[R].
.RE
.IP \[bu] 2
On macOS Mojave and High Sierra
.RS 2
.IP \[bu] 2
Select \f[V]QEMU HARDDISK Media\f[R] (\[ti]103.08GB) from the list and
click \f[B]Erase\f[R].
.RE
.RE
.IP \[bu] 2
Enter a \f[V]Name:\f[R] for the disk and click \f[B]Erase\f[R].
.IP \[bu] 2
Click \f[B]Done\f[R].
.IP \[bu] 2
Close Disk Utility
.RE
.IP \[bu] 2
From \f[B]macOS Utilities\f[R]
.RS 2
.IP \[bu] 2
Click \f[B]Reinstall macOS\f[R] and \f[B]Continue\f[R]
.RE
.IP \[bu] 2
Complete the installation as you normally would.
.RS 2
.IP \[bu] 2
On the first reboot use cursor keys and enter key to select \f[B]macOS
Installer\f[R]
.IP \[bu] 2
On the subsequent reboots use cursor keys and enter key to select the
disk you named
.RE
.PP
The default macOS configuration looks like this:
.IP
.nf
\f[C]
guest_os=\[dq]macos\[dq]
img=\[dq]macos-catalina/RecoveryImage.img\[dq]
disk_img=\[dq]macos-catalina/disk.qcow2\[dq]
macos_release=\[dq]catalina\[dq]
\f[R]
.fi
.IP \[bu] 2
\f[V]guest_os=\[dq]macos\[dq]\f[R] instructs Quickemu to optimise for
macOS.
.IP \[bu] 2
\f[V]macos_release=\[dq]catalina\[dq]\f[R] instructs Quickemu to
optimise for a particular macOS release.
.RS 2
.IP \[bu] 2
For example VirtIO Network and Memory Ballooning are available in Big
Sur and newer, but not previous releases.
.IP \[bu] 2
And VirtIO Block Media (disks) are supported/stable in Catalina and
newer.
.RE
.SS macOS compatibility
.PP
There are some considerations when running macOS via Quickemu.
.IP \[bu] 2
Supported macOS releases:
.RS 2
.IP \[bu] 2
High Sierra
.IP \[bu] 2
Mojave
.IP \[bu] 2
Catalina \f[B](Recommended)\f[R]
.IP \[bu] 2
Big Sur
.IP \[bu] 2
Monterey
.RE
.IP \[bu] 2
\f[V]quickemu\f[R] will automatically download the required
OpenCore (https://github.com/acidanthera/OpenCorePkg) bootloader and
OVMF firmware from OSX-KVM (https://github.com/kholia/OSX-KVM).
.IP \[bu] 2
Optimised by default, but no GPU acceleration is available.
.RS 2
.IP \[bu] 2
Host CPU vendor is detected and guest CPU is optimised accordingly.
.IP \[bu] 2
VirtIO Block
Media (https://www.kraxel.org/blog/2019/06/macos-qemu-guest/) is used
for the system disk where supported.
.IP \[bu] 2
VirtIO \f[V]usb-tablet\f[R] (http://philjordan.eu/osx-virt/) is used for
the mouse.
.IP \[bu] 2
VirtIO Network (\f[V]virtio-net\f[R]) is supported and enabled on macOS
Big Sur and newer but previous releases use \f[V]vmxnet3\f[R].
.IP \[bu] 2
VirtIO Memory Ballooning is supported and enabled on macOS Big Sur and
newer but disabled for other support macOS releases.
.RE
.IP \[bu] 2
USB host and SPICE pass-through is:
.RS 2
.IP \[bu] 2
UHCI (USB 2.0) on macOS Catalina and earlier.
.IP \[bu] 2
XHCI (USB 3.0) on macOS Big Sur and newer.
.RE
.IP \[bu] 2
Display resolution can only be changed via macOS System Preferences.
.IP \[bu] 2
\f[B]Full Duplex audio requires VoodooHDA
OC (https://github.com/chris1111/VoodooHDA-OC) or pass-through a USB
audio-device to the macOS guest VM\f[R].
.IP \[bu] 2
NOTE!
Gatekeeper (https://disable-gatekeeper.github.io/) and System Integrity
Protection
(SIP) (https://developer.apple.com/documentation/security/disabling_and_enabling_system_integrity_protection)
need to be disabled to install VoodooHDA OC
.IP \[bu] 2
File sharing between guest and host is available via
virtio-9p (https://wiki.qemu.org/Documentation/9psetup) and SPICE
webdavd (https://gitlab.gnome.org/GNOME/phodav/-/merge_requests/24).
.IP \[bu] 2
Copy/paste via SPICE agent is \f[B]not available on macOS\f[R].
.SS macOS App Store
.PP
If you see \f[I]\[lq]Your device or computer could not be
verified\[rq]\f[R] when you try to login to the App Store, make sure
that your wired ethernet device is \f[V]en0\f[R].
Use \f[V]ifconfig\f[R] in a terminal to verify this.
.PP
If the wired ethernet device is not \f[V]en0\f[R], then then go to
\f[I]System Preferences\f[R] -> \f[I]Network\f[R], delete all the
network devices and apply the changes.
Next, open a terminal and run the following:
.IP
.nf
\f[C]
sudo rm /Library/Preferences/SystemConfiguration/NetworkInterfaces.plist
\f[R]
.fi
.PP
Now reboot, and the App Store should work.
.SS Windows 8.1, 10 & 11 Guests
.PP
\f[V]quickget\f[R] can automatically download Windows 8.1, Windows
10 (https://www.microsoft.com/en-gb/software-download/windows10ISO) and
Windows 11 (https://www.microsoft.com/en-gb/software-download/windows11)
along with the VirtIO drivers for
Windows (https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/)
and creates a virtual machine configuration.
.IP
.nf
\f[C]
quickget windows 11
quickemu --vm windows-11.conf
\f[R]
.fi
.IP \[bu] 2
Complete the installation as you normally would.
.IP \[bu] 2
All relevant drivers and services should be installed automatically.
.IP \[bu] 2
A local adminstrator user account is automatically created, with these
credentials:
.RS 2
.IP \[bu] 2
Username: \f[V]Quickemu\f[R]
.IP \[bu] 2
Password: \f[V]quickemu\f[R]
.RE
.SS Regional versions
.PP
By default \f[V]quickget\f[R] will download the \f[I]\[lq]English
International\[rq]\f[R] release, but you can optionally specify one of
the supported languages: For example:
.IP
.nf
\f[C]
quickget windows 11 \[dq]Chinese (Traditional)\[dq]
\f[R]
.fi
.PP
The default Windows 11 configuration looks like this:
.IP
.nf
\f[C]
guest_os=\[dq]windows\[dq]
disk_img=\[dq]windows-11/disk.qcow2\[dq]
iso=\[dq]windows-11/Win11_EnglishInternational_x64.iso\[dq]
fixed_iso=\[dq]windows-11/virtio-win.iso\[dq]
tpm=\[dq]on\[dq]
secureboot=\[dq]on\[dq]
\f[R]
.fi
.IP \[bu] 2
\f[V]guest_os=\[dq]windows\[dq]\f[R] instructs \f[V]quickemu\f[R] to
optimise for Windows.
.IP \[bu] 2
\f[V]fixed_iso=\f[R] specifies the ISO image that provides VirtIO
drivers.
.IP \[bu] 2
\f[V]tpm=\[dq]on\[dq]\f[R] instructs \f[V]quickemu\f[R] to create a
software emulated TPM device using \f[V]swtpm\f[R].
.SH All the options
.PP
Here are the usage instructions:
.IP
.nf
\f[C]
Usage
  quickemu --vm ubuntu.conf

You can also pass optional parameters
  --braille                         : Enable braille support. Requires SDL.
  --delete-disk                     : Delete the disk image and EFI variables
  --delete-vm                       : Delete the entire VM and it\[aq]s configuration
  --display                         : Select display backend. \[aq]sdl\[aq] (default), \[aq]gtk\[aq], \[aq]none\[aq], \[aq]spice\[aq] or \[aq]spice-app\[aq]
  --fullscreen                      : Starts VM in full screen mode (Ctl+Alt+f to exit)
  --ignore-msrs-always              : Configure KVM to always ignore unhandled machine-specific registers
  --screen <screen>                 : Use specified screen to determine the window size.
  --shortcut                        : Create a desktop shortcut
  --snapshot apply <tag>            : Apply/restore a snapshot.
  --snapshot create <tag>           : Create a snapshot.
  --snapshot delete <tag>           : Delete a snapshot.
  --snapshot info                   : Show disk/snapshot info.
  --status-quo                      : Do not commit any changes to disk/snapshot.
  --viewer <viewer>                 : Choose an alternative viewer. \[at]Options: \[aq]spicy\[aq] (default), \[aq]remote-viewer\[aq], \[aq]none\[aq]
  --ssh-port <port>                 : Set ssh-port manually
  --spice-port <port>               : Set spice-port manually
  --public-dir <path>               : expose share directory. \[at]Options: \[aq]\[aq] (default: xdg-user-dir PUBLICSHARE), \[aq]<directory>\[aq], \[aq]none\[aq]
  --monitor <type>                  : Set monitor connection type. \[at]Options: \[aq]socket\[aq] (default), \[aq]telnet\[aq], \[aq]none\[aq]
  --monitor-telnet-host <ip/host>   : Set telnet host for monitor. (default: \[aq]localhost\[aq])
  --monitor-telnet-port <port>      : Set telnet port for monitor. (default: \[aq]4440\[aq])
  --monitor-cmd <cmd>               : Send command to monitor if available. (Example: system_powerdown)
  --serial <type>                   : Set serial connection type. \[at]Options: \[aq]socket\[aq] (default), \[aq]telnet\[aq], \[aq]none\[aq]
  --serial-telnet-host <ip/host>    : Set telnet host for serial. (default: \[aq]localhost\[aq])
  --serial-telnet-port <port>       : Set telnet port for serial. (default: \[aq]6660\[aq])
  --keyboard <type>                 : Set keyboard. \[at]Options: \[aq]usb\[aq] (default), \[aq]ps2\[aq], \[aq]virtio\[aq]
  --keyboard_layout <layout>        : Set keyboard layout.
  --mouse <type>                    : Set mouse. \[at]Options: \[aq]tablet\[aq] (default), \[aq]ps2\[aq], \[aq]usb\[aq], \[aq]virtio\[aq]
  --usb-controller <type>           : Set usb-controller. \[at]Options: \[aq]ehci\[aq] (default), \[aq]xhci\[aq], \[aq]none\[aq]
  --extra_args <arguments>          : Pass additional arguments to qemu
  --version                         : Print version
\f[R]
.fi
.SS Desktop shortcuts
.PP
Desktop shortcuts can be created for a VM, the shortcuts are saved in
\f[V]\[ti]/.local/share/applications\f[R].
Here is an example of how to create a shortcut.
.IP
.nf
\f[C]
quickemu --vm ubuntu-22.04-desktop.conf --shortcut
\f[R]
.fi
.SS Screen and window size (Linux guests only)
.PP
\f[V]qemu\f[R] will always default to the primary monitor to display the
VM\[cq]s window.
.PP
Without the \f[V]--screen\f[R] option, \f[V]quickemu\f[R] will look for
the size of the smallest monitor, and use a size that fits on said
monitor.
.PP
The \f[V]--screen\f[R] option forces \f[V]quickemu\f[R] to use the size
of the given monitor to compute the size of the window.
\f[B]It won\[cq]t use that monitor to display the VM\[cq]s window if
it\[cq]s not the primary monitor\f[R].
This is useful if the primary monitor if not the smallest one, and if
the VM\[cq]s window doesn\[cq]t need to be moved around.
.PP
The \f[V]--screen\f[R] option is also useful with the
\f[V]--fullscreen\f[R] option, again because \f[V]qemu\f[R] will always
use the primary monitor.
In order for the fullscreen mode to work properly, the resolution of the
VM\[cq]s window must match the resolution of the screen.
.PP
To know which screen to use, type:
.IP
.nf
\f[C]
xrandr --listmonitors | grep -v Monitors
\f[R]
.fi
.PP
The command will output something like this:
.IP
.nf
\f[C]
 0: +*HDMI-0 2560/597x1440/336+1920+0  HDMI-0
 1: +DVI-D-0 1920/527x1080/296+0+0  DVI-D-0
\f[R]
.fi
.PP
The first number is what needs to be passed to the \f[V]--screen\f[R]
option.
.PP
For example:
.IP
.nf
\f[C]
quickemu --vm vm.conf --screen 0
\f[R]
.fi
.PP
The above uses the 2560x1440 screen to compute the size of the window,
which Quickemu sizes to 2048x1152.
Without the \f[V]--screen\f[R] option, Quickemu would have used the
1920x1080 monitor which results in a window size of 1664x936.
.SH References
.PP
Useful reference that assisted the development of Quickemu.
.IP \[bu] 2
General
.RS 2
.IP \[bu] 2
QEMU\[cq]s documentation! (https://qemu.readthedocs.io/en/latest/)
.IP \[bu] 2
<https://pve.proxmox.com/wiki/Qemu/KVM_Virtual_Machines>
.IP \[bu] 2
<https://www.kraxel.org/blog/2020/01/qemu-sound-audiodev/>
.RE
.IP \[bu] 2
macOS
.RS 2
.IP \[bu] 2
<https://www.nicksherlock.com/2020/06/installing-macos-big-sur-on-proxmox/>
.IP \[bu] 2
<https://passthroughpo.st/mac-os-adds-early-support-for-virtio-qemu/>
.IP \[bu] 2
<https://github.com/kholia/OSX-KVM>
.IP \[bu] 2
<https://github.com/thenickdude/KVM-Opencore>
.IP \[bu] 2
<https://github.com/acidanthera/OpenCorePkg/tree/master/Utilities/macrecovery>
.IP \[bu] 2
<https://www.kraxel.org/blog/2017/09/running-macos-as-guest-in-kvm/>
.IP \[bu] 2
<https://www.nicksherlock.com/2017/10/passthrough-of-advanced-cpu-features-for-macos-high-sierra-guests/>
.IP \[bu] 2
<http://philjordan.eu/osx-virt/>
.IP \[bu] 2
<https://github.com/Dids/clover-builder>
.IP \[bu] 2
OpenCore Configurator (https://mackie100projects.altervista.org)
.RE
.IP \[bu] 2
Windows
.RS 2
.IP \[bu] 2
<https://www.heiko-sieger.info/running-windows-10-on-linux-using-kvm-with-vga-passthrough/>
.IP \[bu] 2
<https://leduccc.medium.com/improving-the-performance-of-a-windows-10-guest-on-qemu-a5b3f54d9cf5>
.IP \[bu] 2
<https://frontpagelinux.com/tutorials/how-to-use-linux-kvm-to-optimize-your-windows-10-virtual-machine/>
.IP \[bu] 2
<https://turlucode.com/qemu-command-line-args/>
.IP \[bu] 2
<https://github.com/pbatard/Fido>
.IP \[bu] 2
<https://www.catapultsystems.com/blogs/create-zero-touch-windows-10-iso/>
.RE
.IP \[bu] 2
TPM
.RS 2
.IP \[bu] 2
<https://qemu-project.gitlab.io/qemu/specs/tpm.html>
.IP \[bu] 2
<https://www.tecklyfe.com/how-to-create-a-windows-11-virtual-machine-in-qemu/>
.RE
.IP \[bu] 2
9p & virtiofs
.RS 2
.IP \[bu] 2
<https://wiki.qemu.org/Documentation/9p>
.IP \[bu] 2
<https://wiki.qemu.org/Documentation/9psetup>
.IP \[bu] 2
<https://www.kraxel.org/blog/2019/06/macos-qemu-guest/>
.IP \[bu] 2
<https://superuser.com/questions/628169/how-to-share-a-directory-with-the-host-without-networking-in-qemu>
.IP \[bu] 2
<https://virtio-fs.gitlab.io/>
.RE
.SH AUTHORS
.PP
Written by Martin Wimpress.
.SH BUGS
.PP
Submit bug reports online at:
<https://github.com/quickemu-project/quickemu/issues>
.SH SEE ALSO
.PP
Full sources at: <https://github.com/quickemu-project/quickemu>
.PP
quickemu_conf(1), quickget(1), quickgui(1)
.SH AUTHORS
Martin Wimpress.