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<strike>strike test</strike>
<strike>strike test</strike>
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OVMF
OVMF is a port of Intel's tianocore firmware to the qemu virtual machine. This allows easy debugging and experimentation with UEFI firmware; either for testing Ubuntu or using the (included) EFI shell.
Quick Start using virt-manager
    sudo apt-get install virt-manager libvirt-daemon ovmf
    Start creating a new VM in virt-manager, but before finishing, click "Customize configuration before install"
    Change the Firmware Option from BIOS to EUFI. (If it's not available do a systemctl restart libvirtd)
    Do whatever normal VM things you want to do. Initial screen when booting should now show TianoCore.
Builds
This is less necessary as the ovmf is now a package you can just apt get.
If you'd like to build your own image, follow the instructions at UEFI/EDK2. This will create the file Build/OvmfX64/DEBUG_GCC46/FV/OVMF.fd, which is the actual firmware image that qemu will use. Simple copy this to a file called bios.bin in the current directory.
Basic Qemu usage
For the simplest use-case, you can boot the machine like this (with bios.bin in the current directory):
qemu-system-x86_64 -L .
The -L . option tells qemu to look in the current directory for the bios.bin firmware image.
This will allow you to play with the firmware setup screens, and the EFI shell. However, there are no virtual disks available, so you won't be able to boot anything.
UEFI shell running on QEMU
Running an Ubuntu ISO
We can use the -cdrom argument to qemu to specify the Ubuntu installer ISO as a virtual CDROM. In this case, we also need to tell qemu that we want a little more memory (1024MB) than the default (128MB):
qemu-system-x86_64 -L . -cdrom ubuntu-12.04-desktop-amd64.iso -m 1024
Performing an install
If you'd like to run the Ubuntu installer and perform an actual install within the virtual machine, you'll need some virtual disk to install to. In this case, we'll create a 10GB file to act as the virtual disk:
truncate -s 10G ovmf.disk2
Then we can tell qemu to use this file as a virtual disk:
qemu-system-x86_64 -L . -cdrom ubuntu-12.04-desktop-amd64.iso -hda ovmf.disk -m 1024
If you prefer, you can use a block device as the qemu disk; just specify the device path instead of the file name (eg, -hda /dev/sdd). You'll probably need to run qemu with sudo for this to work.
Other usage
Some other options that may be helpful:
    -enable-kvm: Use the KVM virtualisation support for better virtual machine performance. Requires root.
    -serial pty: Allocate a PTY, and create a virtual serial device attached to the PTY. On startup, qemu will print the name of the PTY that is has allocated, and you can interact with it using screen /dev/pts/XX
    -monitor stdio: Start the qemu monitor from the qemu prompt. This allows you to control the virtual machine from the terminal.
    -nographic: Don't create a video device for the VM.
    -S: Don't start the VM immediately
    -hda fat:<directory>: Make <directory> available to the VM as a virtual FAT-formatted disk
This is how I generally use qemu for debugging:
sudo qemu-system-x86_64 -L . -serial pty -serial pty -monitor stdio \
        -drive file=/dev/local/virt-ovmf,if=ide,id=drive-ide0-0-0 \
        -nographic -S
This command:
    Creates two serial ports: one for the OVMF debug output, and one for a usable serial console
    Uses a LVM block device, /dev/local/virt-ovmf as the local storage
    Disables graphic output
    Starts the qemu monitor prompt on stdio
    Tells qemu not to start the machine right away.
I then:
    start two screen sessions on the PTYs that qemu prints
    start it by typing c at the monitor prompt
During boot, I get the OVMF debug output on the first screen session, and once the machine is booted, I get a login prompt on the second screen session. For this to work, you'll need to configure init to create a getty session on the serial ports. To do this from within your virtual machine:
cd /etc/init/
sed s/tty1/ttyS0 < tty1.conf | sudo dd of=ttyS0.conf
sed s/tty1/ttyS1 < tty1.conf | sudo dd of=ttyS1.conf
UEFI/OVMF (editada pela última vez em 2020-06-13 18:58:31 por jwilk)
The material on this wiki is available under a free license, see Copyright / License for details.
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User:User3412
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This page uses templates.
Too many templates can lead to cancer. You might want to slim down the number of templates to prevent users from getting brain damage.
This user is a rofag and/or plays roblox all day
This means that this user is an rofag so hard that he can be also playing roblox all day, he will get hated by rofag haters.
This User is powered by MediaWiki
Mediawiki.png This user can install MediaWiki
This user can use both qemu CLI and virt-manager GUI and/or uses qemu as the virtualizer
This means that this user is cool
This user uses VS Code as the main editor
That means this user enjoys Electron using >100MB of RAM.
This user uses Git
This means that he is cool
This user can hack linux installations that uses GRUB by editing an boot param
This means that this user is a linux hacker
Note: i dont support ukraine and europe, but i do support russia and american countries (Like the USA and Brazil i guess)
Note 2: please dont put the Userpage template on my userpage, i dont want and/or need that, thanks
hes a CollabVM Wiki oldfag, hes a CollabVM midfag too and he made a bunch of spam pages,thank god he coped and seethed and stopped making spam pages Cool.png
he also hates ukraine,likes the ukraine war and wants ukraine to be deleted because alot of people complained with russia for the war
he also changes images uploaded by forkies,vandalizers and/or jawfuls to 3d chocolateman to stop forkingness
Contents
    1 Facts
    2 The (shitty) rest
    3 Facts
    4 The (shitty) rest
Facts
andrej thought that i (user3412) am User123 because of similiar names, but i dont shill into CSS and "user3412" was the best name i could make
I hate emojis because they are new things which i do also hate except for some
i love old things
The (shitty) rest
Auuuugh dell did not make open-source drivers for bsd and/or linux for my laptop
i also got my ip leaked on uservm multiple times starting with DESKTOPGOOSE's what the fuck I VM in 2021
page vandals: 8
He does not like sloths but he does hate emoji and replaces emoji with their meaning
I also use VS Code
And jacks off VS Code too
Specs are here
Babel user information
pt-BR-N Este usuário tem como língua materna o português brasileiro.
ar-0 هذا المستخدم ليس لديه معرفة بالعربية (أو يفهمها بصعوبة بالغة).
ru-0 Этот участник не владеет русским языком (или понимает его с трудом).
en-2 This user has intermediate knowledge of English.
es-1 Este usuario tiene un conocimiento básico del español.
fr-1 Cet utilisateur dispose de connaissances de base en français.
br-0 Ne oar an implijer-mañ tamm Brezhoneg ebet (pe en deus mil boan o kompren anezhañ).
uk-0 Цей користувач не володіє українською мовою (або розуміє її дуже погано).
af-0 Hierdie gebruiker het geen kennis van Afrikaans nie (of verstaan dit met groot moeite).
ca-0 Aquest usuari no té cap coneixement de català (o bé l'entén amb moltes dificultats).
pl-1 Ten użytkownik posługuje się językiem polskim na poziomie podstawowym.
Users by language
XMPP contact: user3412@blah.im
even though i play roblox all day, i play retrostudio most of the time
you are not getting my roblox username
I love the red robin tune
here is the old autistic version of the page
world record: 420 edits
i joined CollabVM in october 2020 when i saw siam alam's new video showing collabvm
Made with crayons
strike test
  Partners
  Support
  Community
  Ubuntu.com
  Página Imutável
  Informações
  Anexos
  Ubuntu Wiki
  Entrar
  Help
OVMF
OVMF is a port of Intel's tianocore firmware to the qemu virtual machine. This allows easy debugging and experimentation with UEFI firmware; either for testing Ubuntu or using the (included) EFI shell.
Quick Start using virt-manager
  sudo apt-get install virt-manager libvirt-daemon ovmf
  Start creating a new VM in virt-manager, but before finishing, click "Customize configuration before install"
  Change the Firmware Option from BIOS to EUFI. (If it's not available do a systemctl restart libvirtd)
  Do whatever normal VM things you want to do. Initial screen when booting should now show TianoCore.
Builds
This is less necessary as the ovmf is now a package you can just apt get.
If you'd like to build your own image, follow the instructions at UEFI/EDK2. This will create the file Build/OvmfX64/DEBUG_GCC46/FV/OVMF.fd, which is the actual firmware image that qemu will use. Simple copy this to a file called bios.bin in the current directory.
Basic Qemu usage
For the simplest use-case, you can boot the machine like this (with bios.bin in the current directory):
qemu-system-x86_64 -L .
The -L . option tells qemu to look in the current directory for the bios.bin firmware image.
This will allow you to play with the firmware setup screens, and the EFI shell. However, there are no virtual disks available, so you won't be able to boot anything.
UEFI shell running on QEMU
Running an Ubuntu ISO
We can use the -cdrom argument to qemu to specify the Ubuntu installer ISO as a virtual CDROM. In this case, we also need to tell qemu that we want a little more memory (1024MB) than the default (128MB):
qemu-system-x86_64 -L . -cdrom ubuntu-12.04-desktop-amd64.iso -m 1024
Performing an install
If you'd like to run the Ubuntu installer and perform an actual install within the virtual machine, you'll need some virtual disk to install to. In this case, we'll create a 10GB file to act as the virtual disk:
truncate -s 10G ovmf.disk2
Then we can tell qemu to use this file as a virtual disk:
qemu-system-x86_64 -L . -cdrom ubuntu-12.04-desktop-amd64.iso -hda ovmf.disk -m 1024
If you prefer, you can use a block device as the qemu disk; just specify the device path instead of the file name (eg, -hda /dev/sdd). You'll probably need to run qemu with sudo for this to work.
Other usage
Some other options that may be helpful:
  -enable-kvm: Use the KVM virtualisation support for better virtual machine performance. Requires root.
  -serial pty: Allocate a PTY, and create a virtual serial device attached to the PTY. On startup, qemu will print the name of the PTY that is has allocated, and you can interact with it using screen /dev/pts/XX
  -monitor stdio: Start the qemu monitor from the qemu prompt. This allows you to control the virtual machine from the terminal.
  -nographic: Don't create a video device for the VM.
  -S: Don't start the VM immediately
  -hda fat:<directory>: Make <directory> available to the VM as a virtual FAT-formatted disk
This is how I generally use qemu for debugging:
sudo qemu-system-x86_64 -L . -serial pty -serial pty -monitor stdio \
      -drive file=/dev/local/virt-ovmf,if=ide,id=drive-ide0-0-0 \
      -nographic -S
This command:
  Creates two serial ports: one for the OVMF debug output, and one for a usable serial console
  Uses a LVM block device, /dev/local/virt-ovmf as the local storage
  Disables graphic output
  Starts the qemu monitor prompt on stdio
  Tells qemu not to start the machine right away.
I then:
  start two screen sessions on the PTYs that qemu prints
  start it by typing c at the monitor prompt
During boot, I get the OVMF debug output on the first screen session, and once the machine is booted, I get a login prompt on the second screen session. For this to work, you'll need to configure init to create a getty session on the serial ports. To do this from within your virtual machine:
cd /etc/init/ sed s/tty1/ttyS0 < tty1.conf | sudo dd of=ttyS0.conf sed s/tty1/ttyS1 < tty1.conf | sudo dd of=ttyS1.conf
UEFI/OVMF (editada pela última vez em 2020-06-13 18:58:31 por jwilk)
The material on this wiki is available under a free license, see Copyright / License for details.
Editing User:User3412 Jump to navigation Jump to search Advanced Special characters Help Heading Format Insert
This page uses templates.
Too many templates can lead to cancer. You might want to slim down the number of templates to prevent users from getting brain damage.
This user is a rofag and/or plays roblox all day
This means that this user is an rofag so hard that he can be also playing roblox all day, he will get hated by rofag haters.
This User is powered by MediaWiki
Mediawiki.png This user can install MediaWiki
This user can use both qemu CLI and virt-manager GUI and/or uses qemu as the virtualizer
This means that this user is cool
This user uses VS Code as the main editor
That means this user enjoys Electron using >100MB of RAM.
This user uses Git
This means that he is cool
This user can hack linux installations that uses GRUB by editing an boot param
This means that this user is a linux hacker
Note: i dont support ukraine and europe, but i do support russia and american countries (Like the USA and Brazil i guess)
Note 2: please dont put the Userpage template on my userpage, i dont want and/or need that, thanks
hes a CollabVM Wiki oldfag, hes a CollabVM midfag too and he made a bunch of spam pages,thank god he coped and seethed and stopped making spam pages Cool.png
he also hates ukraine,likes the ukraine war and wants ukraine to be deleted because alot of people complained with russia for the war
he also changes images uploaded by forkies,vandalizers and/or jawfuls to 3d chocolateman to stop forkingness
Facts
andrej thought that i (user3412) am User123 because of similiar names, but i dont shill into CSS and "user3412" was the best name i could make
I hate emojis because they are new things which i do also hate except for some
i love old things
The (shitty) rest
Auuuugh dell did not make open-source drivers for bsd and/or linux for my laptop
i also got my ip leaked on uservm multiple times starting with DESKTOPGOOSE's what the fuck I VM in 2021
page vandals: 8
He does not like sloths but he does hate emoji and replaces emoji with their meaning
I also use VS Code
And jacks off VS Code too
Specs are here
Babel user information
pt-BR-N Este usuário tem como língua materna o português brasileiro.
ar-0 هذا المستخدم ليس لديه معرفة بالعربية (أو يفهمها بصعوبة بالغة).
ru-0 Этот участник не владеет русским языком (или понимает его с трудом).
en-2 This user has intermediate knowledge of English.
es-1 Este usuario tiene un conocimiento básico del español.
fr-1 Cet utilisateur dispose de connaissances de base en français.
br-0 Ne oar an implijer-mañ tamm Brezhoneg ebet (pe en deus mil boan o kompren anezhañ).
uk-0 Цей користувач не володіє українською мовою (або розуміє її дуже погано).
af-0 Hierdie gebruiker het geen kennis van Afrikaans nie (of verstaan dit met groot moeite).
ca-0 Aquest usuari no té cap coneixement de català (o bé l'entén amb moltes dificultats).
pl-1 Ten użytkownik posługuje się językiem polskim na poziomie podstawowym.
Users by language
XMPP contact: user3412@blah.im
even though i play roblox all day, i play retrostudio most of the time
you are not getting my roblox username
I love the red robin tune
here is the old autistic version of the page
world record: 420 edits
i joined CollabVM in october 2020 when i saw siam alam's new video showing collabvm
Made with crayons
strike test
  Partners
  Support
  Community
  Ubuntu.com
  Página Imutável
  Informações
  Anexos
  Ubuntu Wiki
  Entrar
  Help
OVMF
OVMF is a port of Intel's tianocore firmware to the qemu virtual machine. This allows easy debugging and experimentation with UEFI firmware; either for testing Ubuntu or using the (included) EFI shell.
Quick Start using virt-manager
  sudo apt-get install virt-manager libvirt-daemon ovmf
  Start creating a new VM in virt-manager, but before finishing, click "Customize configuration before install"
  Change the Firmware Option from BIOS to EUFI. (If it's not available do a systemctl restart libvirtd)
  Do whatever normal VM things you want to do. Initial screen when booting should now show TianoCore.
Builds
This is less necessary as the ovmf is now a package you can just apt get.
If you'd like to build your own image, follow the instructions at UEFI/EDK2. This will create the file Build/OvmfX64/DEBUG_GCC46/FV/OVMF.fd, which is the actual firmware image that qemu will use. Simple copy this to a file called bios.bin in the current directory.
Basic Qemu usage
For the simplest use-case, you can boot the machine like this (with bios.bin in the current directory):
qemu-system-x86_64 -L .
The -L . option tells qemu to look in the current directory for the bios.bin firmware image.
This will allow you to play with the firmware setup screens, and the EFI shell. However, there are no virtual disks available, so you won't be able to boot anything.
UEFI shell running on QEMU
Running an Ubuntu ISO
We can use the -cdrom argument to qemu to specify the Ubuntu installer ISO as a virtual CDROM. In this case, we also need to tell qemu that we want a little more memory (1024MB) than the default (128MB):
qemu-system-x86_64 -L . -cdrom ubuntu-12.04-desktop-amd64.iso -m 1024
Performing an install
If you'd like to run the Ubuntu installer and perform an actual install within the virtual machine, you'll need some virtual disk to install to. In this case, we'll create a 10GB file to act as the virtual disk:
truncate -s 10G ovmf.disk2
Then we can tell qemu to use this file as a virtual disk:
qemu-system-x86_64 -L . -cdrom ubuntu-12.04-desktop-amd64.iso -hda ovmf.disk -m 1024
If you prefer, you can use a block device as the qemu disk; just specify the device path instead of the file name (eg, -hda /dev/sdd). You'll probably need to run qemu with sudo for this to work.
Other usage
Some other options that may be helpful:
  -enable-kvm: Use the KVM virtualisation support for better virtual machine performance. Requires root.
  -serial pty: Allocate a PTY, and create a virtual serial device attached to the PTY. On startup, qemu will print the name of the PTY that is has allocated, and you can interact with it using screen /dev/pts/XX
  -monitor stdio: Start the qemu monitor from the qemu prompt. This allows you to control the virtual machine from the terminal.
  -nographic: Don't create a video device for the VM.
  -S: Don't start the VM immediately
  -hda fat:<directory>: Make <directory> available to the VM as a virtual FAT-formatted disk
This is how I generally use qemu for debugging:
sudo qemu-system-x86_64 -L . -serial pty -serial pty -monitor stdio \
      -drive file=/dev/local/virt-ovmf,if=ide,id=drive-ide0-0-0 \
      -nographic -S
This command:
  Creates two serial ports: one for the OVMF debug output, and one for a usable serial console
  Uses a LVM block device, /dev/local/virt-ovmf as the local storage
  Disables graphic output
  Starts the qemu monitor prompt on stdio
  Tells qemu not to start the machine right away.
I then:
  start two screen sessions on the PTYs that qemu prints
  start it by typing c at the monitor prompt
During boot, I get the OVMF debug output on the first screen session, and once the machine is booted, I get a login prompt on the second screen session. For this to work, you'll need to configure init to create a getty session on the serial ports. To do this from within your virtual machine:
cd /etc/init/ sed s/tty1/ttyS0 < tty1.conf | sudo dd of=ttyS0.conf sed s/tty1/ttyS1 < tty1.conf | sudo dd of=ttyS1.conf
UEFI/OVMF (editada pela última vez em 2020-06-13 18:58:31 por jwilk)
The material on this wiki is available under a free license, see Copyright / License for details. Summary: This is a minor edit Watch this page Please note that all contributions to CollabVM Wiki may be edited, altered, or removed by other contributors. If you do not want your writing to be edited mercilessly, then do not submit it here. You are also promising us that you wrote this yourself, or copied it from a public domain or similar free resource (see CollabVM Wiki:Copyrights for details). Do not submit copyrighted work without permission!
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