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authorSilvio Rhatto <rhatto@riseup.net>2021-01-17 15:26:04 -0300
committerSilvio Rhatto <rhatto@riseup.net>2021-01-17 15:26:04 -0300
commita22166f6e0750fbddf564f244bb96d94524296d4 (patch)
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parent7f52a0acea5d766c0c25997df1dd907162db0407 (diff)
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Fix: cleanup and refactor
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-[[!meta title="Virtualized GUI environments"]]
-
-Can't or don't want to use [Qubes OS](https://www.qubes-os.org/)? Here comes a straightforward sollution
-that, while not offering the same level of security, is practical enough to be implemented in the confort
-of your current FOSS OS!
-
-A picture
----------
-
-Could you spot the difference between the Tor Browser running in the host for the one inside the virtual machine? That's what we want to achieve!
-
-![Screenshot](screenshot.png)
-
-First things first
-------------------
-
-What you can do:
-
-1. Create a virtual machine image of the operating system of your choice like [this example](https://padrao.fluxo.info/boxes/).
-2. Setup basic X11 environment with automatic login and startup programs.
-3. Configure your hypervisor to hide icons and additional decorations around the virtual machine.
-4. Setup key bindings on your window manager to start/resume and stop/suspend the virtual machine.
-
-Debian desktop
---------------
-
-When using a debian virtual machine as a virtual desktop, consider the following:
-
- apt-get install lightdm ratpoison
-
-Make sure to configure `/etc/lightdm/lightdm.conf` with something like
-
- autologin-user=vagrant
- autologin-user-timeout=0
-
-If using VirtualBox, you might also want to try [virtualbox-guest-x11](https://packages.debian.org/stable/virtualbox-guest-x11).
-
-Features
---------
-
-* Good security through isolation.
-* Improved start/stop of your application by using virtual machine suspend/resume.
-* Minor performance penalties while running the virtual machine.
-
-Limitations
------------
-
-* Memory and disk consumption.
-* Clipboard might still be available to the virtual environment, see [this discussion](http://theinvisiblethings.blogspot.com.br/2011/04/linux-security-circus-on-gui-isolation.html).
-
-Future
-------
-
-* This should be better documented!
-* Automated expendable snapshots for one-time-use virtual machines.
-* Automated recipes (puppet/ansible).
-* Vagrant integration for fast provisioning of golden images.
-* Alternatives to the VirtualBox hypervisor.
-
-References
-----------
-
-Applications:
-
-* [kvmx script](https://kvmx.fluxo.info).
-* [vbox script](https://git.fluxo.info/vbox).
-* [plymouth - Debian Wiki](https://wiki.debian.org/plymouth).
-* [SPICE Project](http://www.spice-space.org/).
-
-Other implementations:
-
-* [Marco Carnut: Ambiente "Auto-Limpante" via Virtualização Ultra-Leve Descartável - Tempest Blog](http://blog.tempest.com.br/marco-carnut/ambiente-auto-limpante-via-virtualizacao-ultra-leve-descartavel.html).
-* [Subgraph OS and Mail](https://subgraph.com/sgos/index.en.html).
-
-Tips:
-
-* If using Firefox, try to disable hardware graphics acceleration as it might impact performance and produce graphics artifacts. This behavior was seem on VMs running with qemu-kvm with SPICE.
-
-Spice and KVM:
-
-* http://www.linux-kvm.org/page/SPICE
-* https://www.spice-space.org/spice-user-manual.html
-* https://kuther.net/content/convert-virtualbox-kvmqemu
-* http://www.ubuntugeek.com/how-change-display-resolution-settings-using-xrandr.html
-* https://bugzilla.redhat.com/show_bug.cgi?id=1020393
-* https://people.freedesktop.org/~teuf/spice-doc/html/ch03.html
-* http://askubuntu.com/questions/107228/how-to-resize-virtual-machine-disk#481887
-* http://wiki.qemu.org/Documentation/9psetup
-* https://ask.fedoraproject.org/en/question/8080/shared-folder-with-qemu-kvm/
-
-Mounting guest images:
-
-* [Mounting raw and qcow2 VM disk images](https://alexeytorkhov.blogspot.com.br/2009/09/mounting-raw-and-qcow2-vm-disk-images.html) using `losetup` or `qemu-nbd`.
-* [guestmount](http://libguestfs.org/guestmount.1.html) from [libguestfs, a library for accessing and modifying VM disk images](http://libguestfs.org/).
-
-Image optimization:
-
-* [Tip: Making a disk image sparse | Richard WM Jones](https://rwmj.wordpress.com/2010/10/19/tip-making-a-disk-image-sparse/).
-* [How to convert a non-sparse image to a sparse image – Patrick's Blog(2)](https://blog.laimbock.com/2013/10/31/how-to-convert-a-non-sparse-image-to-sparse/).
-
- ionice -c 3 nice -n 19 virt-sparsify --tmp /tmp --convert qcow2 --compress box.img box.new && mv box.new box.img