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Posted to user@guacamole.apache.org by Horváth Csaba <ho...@gmail.com> on 2024/04/13 16:10:50 UTC
VNC vs keymap vs KVM
Hi,
I'm using KVM on Debian on my virtual host. It provides VNC screens,
so the VM's are easily accessable from Guacamole.
Discovered that Guacamole is not handling the keymaps correctly for
Windows VM; the VM has HU keyboard, my laptop has HU keyboard; any
other VNC client (Gnome builtin, Windows, Virt-manager SPICE client,
etc) is handling the special keys correctly, Guacamole is mixing the
layout up.
Can i do anything related to VNC keymap setting? I haven't found
anything like for RDP.
Thx,
Cs.
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Re: VNC vs keymap vs KVM
Posted by Sean Hulbert <sh...@securitycentric.net.INVALID>.
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*SAM ID: UMJLJ8A7BMT3*
AFCEA San Francisco Chapter President
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hacker you haven’t heard of!
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igitur qui desiderat pacem, praeparet bellum!!!
Epitoma Rei Militaris
On 4/16/2024 4:36 AM, Horváth Csaba wrote:
> Hi,
>
> Thanks! Finally found that if one sets the layout on the Spice
> settings, then the VNC screen replicates it...
> This is not 100% perfect, but mostly enough for me :)
>
> Thanks for the clarification :)
>
> Cs.
>
> Michael Jumper<mj...@apache.org> ezt írta (időpont: 2024. ápr. 15., H, 3:11):
>> On 4/13/24 9:10 AM, Horváth Csaba wrote:
>>> Hi,
>>>
>>> I'm using KVM on Debian on my virtual host. It provides VNC screens,
>>> so the VM's are easily accessable from Guacamole.
>>> Discovered that Guacamole is not handling the keymaps correctly for
>>> Windows VM; the VM has HU keyboard, my laptop has HU keyboard; any
>>> other VNC client (Gnome builtin, Windows, Virt-manager SPICE client,
>>> etc) is handling the special keys correctly, Guacamole is mixing the
>>> layout up.
>>>
>>> Can i do anything related to VNC keymap setting? I haven't found
>>> anything like for RDP.
>>>
>> When using KVM, you need to configure the virtual machine to explicitly
>> note the keyboard layout you will be using if KVM's VNC server is to
>> correctly translate received X11 keysyms (VNC key events) to internal
>> scancodes (the events expected by the VM).
>>
>> There are extensions to the VNC protocol that allow the local scancode
>> to be forwarded independently of the keysym. Where you are using a VNC
>> client that works in this situation (despite the mismatch between KVM's
>> expected layout and the guest OS' layout), it probably implements that
>> protocol extension.
>>
>> - Mike
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail:user-unsubscribe@guacamole.apache.org
>> For additional commands, e-mail:user-help@guacamole.apache.org
>>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail:user-unsubscribe@guacamole.apache.org
> For additional commands, e-mail:user-help@guacamole.apache.org
>
Re: VNC vs keymap vs KVM
Posted by Horváth Csaba <ho...@gmail.com>.
Hi,
Thanks! Finally found that if one sets the layout on the Spice
settings, then the VNC screen replicates it...
This is not 100% perfect, but mostly enough for me :)
Thanks for the clarification :)
Cs.
Michael Jumper <mj...@apache.org> ezt írta (időpont: 2024. ápr. 15., H, 3:11):
>
> On 4/13/24 9:10 AM, Horváth Csaba wrote:
> > Hi,
> >
> > I'm using KVM on Debian on my virtual host. It provides VNC screens,
> > so the VM's are easily accessable from Guacamole.
> > Discovered that Guacamole is not handling the keymaps correctly for
> > Windows VM; the VM has HU keyboard, my laptop has HU keyboard; any
> > other VNC client (Gnome builtin, Windows, Virt-manager SPICE client,
> > etc) is handling the special keys correctly, Guacamole is mixing the
> > layout up.
> >
> > Can i do anything related to VNC keymap setting? I haven't found
> > anything like for RDP.
> >
>
> When using KVM, you need to configure the virtual machine to explicitly
> note the keyboard layout you will be using if KVM's VNC server is to
> correctly translate received X11 keysyms (VNC key events) to internal
> scancodes (the events expected by the VM).
>
> There are extensions to the VNC protocol that allow the local scancode
> to be forwarded independently of the keysym. Where you are using a VNC
> client that works in this situation (despite the mismatch between KVM's
> expected layout and the guest OS' layout), it probably implements that
> protocol extension.
>
> - Mike
>
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> To unsubscribe, e-mail: user-unsubscribe@guacamole.apache.org
> For additional commands, e-mail: user-help@guacamole.apache.org
>
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Re: VNC vs keymap vs KVM
Posted by Michael Jumper <mj...@apache.org>.
On 4/13/24 9:10 AM, Horváth Csaba wrote:
> Hi,
>
> I'm using KVM on Debian on my virtual host. It provides VNC screens,
> so the VM's are easily accessable from Guacamole.
> Discovered that Guacamole is not handling the keymaps correctly for
> Windows VM; the VM has HU keyboard, my laptop has HU keyboard; any
> other VNC client (Gnome builtin, Windows, Virt-manager SPICE client,
> etc) is handling the special keys correctly, Guacamole is mixing the
> layout up.
>
> Can i do anything related to VNC keymap setting? I haven't found
> anything like for RDP.
>
When using KVM, you need to configure the virtual machine to explicitly
note the keyboard layout you will be using if KVM's VNC server is to
correctly translate received X11 keysyms (VNC key events) to internal
scancodes (the events expected by the VM).
There are extensions to the VNC protocol that allow the local scancode
to be forwarded independently of the keysym. Where you are using a VNC
client that works in this situation (despite the mismatch between KVM's
expected layout and the guest OS' layout), it probably implements that
protocol extension.
- Mike
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