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[doc] install: Grammar, formatting, and page flow

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Jonathan Rubenstein 2021-05-04 16:20:01 -04:00 committed by Geoffrey McRae
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doc/install.rst
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@ -75,28 +75,27 @@ wayland-protocols``
Downloading
^^^^^^^^^^^
Either visit the site at `Looking Glass Download
Page <https://looking-glass.io/downloads>`_
Or pull the lastest **bleeding-edge version** using the **git** command.
.. note::
If you are using the latest bleeding-edge from the master branch
you MUST download/use the corresponding host application
Either visit the Looking Glass website's `Download
Page <https://looking-glass.io/downloads>`_, or pull the lastest **bleeding-edge
version** with ``git``.
.. code:: bash
git clone --recursive https://github.com/gnif/LookingGlass.git
.. note::
When using the latest bleeding-edge client version,
you *MUST* download and install the corresponding host application.
.. _client_building:
Building
^^^^^^^^
If you downloaded the file via the web link then you should have a 'zip'
file. Simply unzip and cd into the new directory. If you used 'git' then
cd into the 'LookingGlass' directory.
If you've downloaded the source code as a zip file, simply unzip and cd into the
new directory. If you've cloned the repo with ``git``, then ``cd`` into the
'LookingGlass' directory.
.. code:: bash
@ -113,13 +112,13 @@ cd into the 'LookingGlass' directory.
crash please be sure to use gdb to obtain a backtrace manually or there is
nothing that can be done to help you.
Should this all go well you should be left with the file
**looking-glass-client**. Before you run the client you will first need
to configure either Libvirt or Qemu (whichever you prefer) and then set
up the Windows side service.
Should this all go well, you will build the **looking-glass-client**.
Before you run the client, you will first need
to configure either libvirt, or QEMU (whichever you prefer) then set
up the **looking-glass-host** service in your VM.
You can call the client from the build directory; or, you can make it
callable generally by adding the directory to your path or issuing
You can run the client from the build directory, add the build directory to your
path to call it from anywhere, or run this command
.. code:: bash
@ -132,17 +131,16 @@ from the build directory.
libvirt Configuration
~~~~~~~~~~~~~~~~~~~~~
This article assumes you already have a fully functional libvirt VM with
PCI Passthrough working on a dedicated monitor. If you do not please
ensure this is configured before you proceed.
This article assumes you already have a fully functional libvirt domain with
PCI passthrough working on a dedicated monitor.
If you use virt-manager, this guide also applies to you, since it uses
libvirt.
If you use virt-manager, this guide also applies to you, since virt-manager uses
libvirt as its back-end.
**If you are using QEMU directly, this does not apply to you.**
Add the following to the libvirt machine configuration inside the
'devices' section by running "virsh edit VM" where VM is the name of
Add the following to your libvirt machine configuration inside the
'devices' section by running ``virsh edit <VM>`` where ``<VM>`` is the name of
your virtual machine.
.. code:: xml
@ -198,18 +196,17 @@ can be done by adding the following to
Qemu Commands
~~~~~~~~~~~~~
**If you are using virt manager/libvirt then this does not apply to
you.**
**If you are using libvirt/virt-manager, then this does not apply to you.**
Add the following to the commands to your QEMU command line, adjusting
the bus to suit your particular configuration:
the ``bus`` parameter to suit your particular configuration:
.. code:: bash
-device ivshmem-plain,memdev=ivshmem,bus=pcie.0 \
-object memory-backend-file,id=ivshmem,share=on,mem-path=/dev/shm/looking-glass,size=32M
The memory size (show as 32 in the example above) may need to be
The memory size (shown as 32M in the example above) may need to be
adjusted as per :ref:`Determining Memory <determining_memory>` section.
.. _determining_memory:
@ -217,37 +214,44 @@ adjusted as per :ref:`Determining Memory <determining_memory>` section.
Determining Memory
~~~~~~~~~~~~~~~~~~
You will need to adjust the memory size to a value that is suitable for
your desired maximum resolution using the following formula:
You will need to adjust the memory size to be suitable for
your desired maximum resolution, with the following formula:
``width x height x 4 x 2 = total bytes``
``total bytes / 1024 / 1024 = total megabytes + 10``
For example, for a resolution of 1920x1080 (1080p)
For example, for a resolution of 1920x1080 (1080p):
``1920 x 1080 x 4 x 2 = 16,588,800 bytes``
``16,588,800 / 1024 / 1024 = 15.82 MB + 10 = 25.82``
You must round this value up to the nearest power of two, which with the
above example would be 32MB
You must round this value up to the nearest power of two, which for the
provided example is 32MB.
The shared memory file will be located in /dev/shm/looking-glass and
will need to be created on every boot otherwise it will have incorrect
permissions. Looking glass will not be able to run unless it has
permissions to this file. You can create the shared memory file
automatically by adding the following config file:
.. _shared_memory_file_permissions:
``touch /etc/tmpfiles.d/10-looking-glass.conf``
Shared Memory File Permissions
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Add the following content to the file::
The shared memory file used by IVSHMEM is found in ``/dev/shm/looking-glass``.
By default, it is owned by QEMU, and does not give read/write permissions to
your user, which are required for Looking Glass to run properly.
#Type Path Mode UID GID Age Argument
You can use `systemd-tmpfiles` to create the file before running your VM,
granting the necessary permissions which allow Looking Glass to use the file
properly.
Create a new file ``/etc/tmpfiles.d/10-looking-glass.conf``, and populate it
with the following::
#Type Path Mode UID GID Age Argument
f /dev/shm/looking-glass 0660 user kvm -
Be sure to set the UID to your local user.
Change ``UID`` to the user name you will run Looking Glass with, usually your
own.
.. _looking_glass_service_windows:
@ -275,9 +279,8 @@ https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/upstream-virtio
Please note that you must obtain version 0.1.161 or later.
If the installation of the driver results in warnings or errors about
driver signatures, ensure secure boot is turned off for the virtual
machine bios/uefi.
If you encounter warnings or errors about driver signatures, ensure secure boot
is turned off in the bios/uefi settings of your virtual machine.
.. _a_note_about_ivshmem_and_scream_audio:
@ -320,12 +323,11 @@ about to be stable, but haven't passed validation.
branch** you have to pick the **Bleeding Edge** version.
Next, extract the zip archive using the commit hash for the password.
Then, run the ``looking-glass-host-setup.exe`` installer
and click through it. By default, the installer will install a service that
Then, run the ``looking-glass-host-setup.exe`` installer and install the host.
By default, the installer will install a service that
automatically starts the host application at boot. The installer can
also be installed in silent mode with the ``/S`` switch. Other command
line options for the installer are documented by running it with the
``/h`` switch.
also be installed in silent mode with the ``/S`` switch. You can find other
command line options with the ``/h`` switch.
The windows host application captures the windows desktop and stuffs the
frames into the shared memory via the shared memory virtual device,