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90 lines
2.9 KiB
ReStructuredText
90 lines
2.9 KiB
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Troubleshooting
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###############
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There are many different issues that can arise when setting up Looking
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Glass. Below is a list of known issues with potential solutions:
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.. _when_launching_looking_glass_the_desktop_doesnt_appear:
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When Launching Looking Glass the Desktop Doesn't Appear
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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- **Using an AMD GPU?**
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- After the end of the Radeon HD Series AMD started incorporating a
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feature into their GPU's that effectively puts the card to sleep
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when no display is connected. For this reason one of two
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conditions need to be met.
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#. The GPU needs to remain plugged into a monitor (this is good for
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testing & troubleshooting).
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#. The GPU needs to have a plug like the ones used in GPU Crypto mining
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installed to trick the card into thinking that a display is
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connected.
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.. _the_clipboard_is_not_working:
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The Clipboard is not Working
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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- **Did you enable it?**
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- Before you can Copy/Paste content between the Guest and the Host
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you must `Enable Clipboard
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Synchronization <https://looking-glass.hostfission.com/wiki/FAQ#How_to_enable_clipboard_synchronization_via_SPICE>`_
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- **Did you install the Spice Guest Tools?**
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- Before you can Copy/Paste content between the Guest and the Host
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you must install the `SPICE Guest Tools
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driver <https://www.spice-space.org/download.html>`_. The
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download is labeled as "spice-guest-tools".
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.. warning::
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**NOTE: Do make sure that you do NOT install the QEMU Guest
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Tools driver. These are not the same.**
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- **Did you install them twice?**
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- The Spice VDAgent is available in both Spice Guest Tools, and
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standalone as a separate installer. Check your installed programs
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and uninstall the VDAgent if it's installed separately.
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.. _followed_installation_instructions_but_looking_glass_still_doesnt_launch:
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Followed Installation Instructions but Looking Glass Still Doesn't Launch
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Depending on your distribution, various circumstances can cause Looking
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Glass to still not run. Below is a list of known issues that can prevent
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Looking Glass from running properly.
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AppArmor
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^^^^^^^^
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AppArmor is a security application that can prevent Looking Glass from
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running. How to add security exceptions may vary on your distribution:
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Start by opening the file ``/etc/apparmor.d/abstractions/libvirt-qemu``.
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Now locate and edit the following lines to represent how they appear in
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the example:
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.. code:: text
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# for usb access
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/dev/bus/usb/** rw,
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/etc/udev/udev.conf r,
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/sys/bus/ r,
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/sys/class/ r,
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/run/udev/data/* rw,
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/dev/input/* rw,
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# Looking Glass
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/dev/shm/looking-glass rw,
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Save, exit, and restart AppArmor:
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.. code:: text
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sudo systemctl restart apparmor
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