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Can I start Debian on a text virtual console in a virtual machine?

-2

I have created a Debian virtual machine in virt-manager/KVM/QEMU.

When I run the Debian virtual machine, I don't really need the desktop environment, which is also resource consuming. Can I start Debian only on a text virtual console (e.g. like ctrl-alt-f1) instead of the graphical virtual console (i.e. ctrl-alt-f7) on the virtual machine?

Thanks.

debian kvm virt-manager virtual-consoles

share|improve this question

edited 2 days ago

Jeff Schaller♦

44.3k1162143

asked 2 days ago

TimTim

28.3k78269490

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  Possible duplicate of How to disable X server autostart in Debian Jessie?
  
  – telcoM
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  And maybe, you should have installed Debian using a Netinstall ISO, that has the essential minimal for a Non-X setup - debian.org/distrib/netinst - Also, remember to not select a desktop environment during the setup process, or it will download it. Keep up the bare minimal, and the ssh server if you want...
  
  – nwildner
  yesterday
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You could also not give a virtual graphics card at all to your VM and have the console on serial. Like for a physical server, that makes it easier to operate the VM as you can then more easily copy-paste text when you access that console from a terminal emulator on the host.
  
  – Stéphane Chazelas
  15 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @StéphaneChazelas Thanks. How shall I not give a virtual graphics card at all to your VM and have the console on serial?
  
  – Tim
  13 hours ago
  

  
  
  
  

add a comment | 

-2

I have created a Debian virtual machine in virt-manager/KVM/QEMU.

When I run the Debian virtual machine, I don't really need the desktop environment, which is also resource consuming. Can I start Debian only on a text virtual console (e.g. like ctrl-alt-f1) instead of the graphical virtual console (i.e. ctrl-alt-f7) on the virtual machine?

Thanks.

debian kvm virt-manager virtual-consoles

share|improve this question

edited 2 days ago

Jeff Schaller♦

44.3k1162143

asked 2 days ago

TimTim

28.3k78269490

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  Possible duplicate of How to disable X server autostart in Debian Jessie?
  
  – telcoM
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  And maybe, you should have installed Debian using a Netinstall ISO, that has the essential minimal for a Non-X setup - debian.org/distrib/netinst - Also, remember to not select a desktop environment during the setup process, or it will download it. Keep up the bare minimal, and the ssh server if you want...
  
  – nwildner
  yesterday
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You could also not give a virtual graphics card at all to your VM and have the console on serial. Like for a physical server, that makes it easier to operate the VM as you can then more easily copy-paste text when you access that console from a terminal emulator on the host.
  
  – Stéphane Chazelas
  15 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @StéphaneChazelas Thanks. How shall I not give a virtual graphics card at all to your VM and have the console on serial?
  
  – Tim
  13 hours ago
  

  
  
  
  

add a comment | 

I have created a Debian virtual machine in virt-manager/KVM/QEMU.

When I run the Debian virtual machine, I don't really need the desktop environment, which is also resource consuming. Can I start Debian only on a text virtual console (e.g. like ctrl-alt-f1) instead of the graphical virtual console (i.e. ctrl-alt-f7) on the virtual machine?

Thanks.

debian kvm virt-manager virtual-consoles

share|improve this question

edited 2 days ago

Jeff Schaller♦

44.3k1162143

asked 2 days ago

TimTim

28.3k78269490

share|improve this question

edited 2 days ago

Jeff Schaller♦

44.3k1162143

asked 2 days ago

TimTim

28.3k78269490

share|improve this question

edited 2 days ago

Jeff Schaller♦

44.3k1162143

asked 2 days ago

TimTim

28.3k78269490

edited 2 days ago

Jeff Schaller♦

44.3k1162143

edited 2 days ago

Jeff Schaller♦

44.3k1162143

asked 2 days ago

TimTim

28.3k78269490

asked 2 days ago

TimTim

28.3k78269490

2 Answers
2

active

oldest

votes

1

You need to switch from the graphical.target to multi-user.target:

systemctl set-default multi-user.target
reboot

then use the chvt to switch between tty.

---

If debian already up , you can use the virsh send-key command from the host machine to switch to the tty.

e,g: to switch to tty2 use the following command:

virsh send-key guest --codeset linux KEY_LEFTCTRL KEY_LEFTALT KEY_F2

( guest is the VM Name use virsh list --all to get the exact name)

Edit

To switch to the GUI from the default multi-user target:

systemctl start graphical.target

You should start the graphical target then you will be able to send Ctrl+Alt+F7 from the host.

share|improve this answer

edited 18 hours ago

answered yesterday

GAD3RGAD3R

27.7k1858114

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Thanks. (1) With multi-user.target, can I switch to GUI? Sending ctrl-alt-f7 from host by virsh send-key guest --codeset linux KEY_LEFTCTRL KEY_LEFTALT KEY_F7 doesn't seem to work. (2) With graphical.target, if I switch to a text virtual console from GUI console by ctrl-alt-f1, can I kill the GUI processes?
  
  – Tim
  yesterday
  

  
  
  
  

add a comment | 

2

There are several ways of going about this, but in your case, I think the best one is to remove the display manager and anything which depends on it, for example

sudo apt purge lightdm

Next time you set up a VM, if you don’t want a graphical environment, you can skip installing it altogether.

share|improve this answer

answered yesterday

Stephen KittStephen Kitt

178k24406484

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks. Why uninstall lightdm, instead of Xorg?
  
  – Tim
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Because removing the display manager is sufficient to get Debian to start on a text VC, which is what you asked for in your question.
  
  – Stephen Kitt
  17 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  If I uninstall Xorg, which virtual console will it ends up with? Will Debian still start the display manager which then forks other processes, regardless of whether Xorg is installed or not?
  
  – Tim
  14 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Well, have you tried it? The answer depends on the display manager. Just uninstall the display manager.
  
  – Stephen Kitt
  14 hours ago
  

  
  
  
  

add a comment | 

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1

You need to switch from the graphical.target to multi-user.target:

systemctl set-default multi-user.target
reboot

then use the chvt to switch between tty.

---

If debian already up , you can use the virsh send-key command from the host machine to switch to the tty.

e,g: to switch to tty2 use the following command:

virsh send-key guest --codeset linux KEY_LEFTCTRL KEY_LEFTALT KEY_F2

( guest is the VM Name use virsh list --all to get the exact name)

Edit

To switch to the GUI from the default multi-user target:

systemctl start graphical.target

You should start the graphical target then you will be able to send Ctrl+Alt+F7 from the host.

share|improve this answer

edited 18 hours ago

answered yesterday

GAD3RGAD3R

27.7k1858114

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Thanks. (1) With multi-user.target, can I switch to GUI? Sending ctrl-alt-f7 from host by virsh send-key guest --codeset linux KEY_LEFTCTRL KEY_LEFTALT KEY_F7 doesn't seem to work. (2) With graphical.target, if I switch to a text virtual console from GUI console by ctrl-alt-f1, can I kill the GUI processes?
  
  – Tim
  yesterday
  

  
  
  
  

add a comment | 

1

You need to switch from the graphical.target to multi-user.target:

systemctl set-default multi-user.target
reboot

then use the chvt to switch between tty.

---

If debian already up , you can use the virsh send-key command from the host machine to switch to the tty.

e,g: to switch to tty2 use the following command:

virsh send-key guest --codeset linux KEY_LEFTCTRL KEY_LEFTALT KEY_F2

( guest is the VM Name use virsh list --all to get the exact name)

Edit

To switch to the GUI from the default multi-user target:

systemctl start graphical.target

You should start the graphical target then you will be able to send Ctrl+Alt+F7 from the host.

share|improve this answer

edited 18 hours ago

answered yesterday

GAD3RGAD3R

27.7k1858114

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Thanks. (1) With multi-user.target, can I switch to GUI? Sending ctrl-alt-f7 from host by virsh send-key guest --codeset linux KEY_LEFTCTRL KEY_LEFTALT KEY_F7 doesn't seem to work. (2) With graphical.target, if I switch to a text virtual console from GUI console by ctrl-alt-f1, can I kill the GUI processes?
  
  – Tim
  yesterday
  

  
  
  
  

add a comment | 

You need to switch from the graphical.target to multi-user.target:

systemctl set-default multi-user.target
reboot

then use the chvt to switch between tty.

---

If debian already up , you can use the virsh send-key command from the host machine to switch to the tty.

e,g: to switch to tty2 use the following command:

virsh send-key guest --codeset linux KEY_LEFTCTRL KEY_LEFTALT KEY_F2

( guest is the VM Name use virsh list --all to get the exact name)

Edit

To switch to the GUI from the default multi-user target:

systemctl start graphical.target

You should start the graphical target then you will be able to send Ctrl+Alt+F7 from the host.

share|improve this answer

edited 18 hours ago

answered yesterday

GAD3RGAD3R

27.7k1858114

systemctl set-default multi-user.target
reboot

virsh send-key guest --codeset linux KEY_LEFTCTRL KEY_LEFTALT KEY_F2

systemctl start graphical.target

share|improve this answer

edited 18 hours ago

answered yesterday

GAD3RGAD3R

27.7k1858114

answered yesterday

GAD3RGAD3R

27.7k1858114

answered yesterday

GAD3RGAD3R

27.7k1858114

2

There are several ways of going about this, but in your case, I think the best one is to remove the display manager and anything which depends on it, for example

sudo apt purge lightdm

Next time you set up a VM, if you don’t want a graphical environment, you can skip installing it altogether.

share|improve this answer

answered yesterday

Stephen KittStephen Kitt

178k24406484

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks. Why uninstall lightdm, instead of Xorg?
  
  – Tim
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Because removing the display manager is sufficient to get Debian to start on a text VC, which is what you asked for in your question.
  
  – Stephen Kitt
  17 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  If I uninstall Xorg, which virtual console will it ends up with? Will Debian still start the display manager which then forks other processes, regardless of whether Xorg is installed or not?
  
  – Tim
  14 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Well, have you tried it? The answer depends on the display manager. Just uninstall the display manager.
  
  – Stephen Kitt
  14 hours ago
  

  
  
  
  

add a comment | 

2

There are several ways of going about this, but in your case, I think the best one is to remove the display manager and anything which depends on it, for example

sudo apt purge lightdm

Next time you set up a VM, if you don’t want a graphical environment, you can skip installing it altogether.

share|improve this answer

answered yesterday

Stephen KittStephen Kitt

178k24406484

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks. Why uninstall lightdm, instead of Xorg?
  
  – Tim
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Because removing the display manager is sufficient to get Debian to start on a text VC, which is what you asked for in your question.
  
  – Stephen Kitt
  17 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  If I uninstall Xorg, which virtual console will it ends up with? Will Debian still start the display manager which then forks other processes, regardless of whether Xorg is installed or not?
  
  – Tim
  14 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Well, have you tried it? The answer depends on the display manager. Just uninstall the display manager.
  
  – Stephen Kitt
  14 hours ago
  

  
  
  
  

add a comment | 

There are several ways of going about this, but in your case, I think the best one is to remove the display manager and anything which depends on it, for example

sudo apt purge lightdm

Next time you set up a VM, if you don’t want a graphical environment, you can skip installing it altogether.

share|improve this answer

answered yesterday

Stephen KittStephen Kitt

178k24406484

sudo apt purge lightdm

share|improve this answer

answered yesterday

Stephen KittStephen Kitt

178k24406484

answered yesterday

Stephen KittStephen Kitt

178k24406484

answered yesterday

Stephen KittStephen Kitt

178k24406484