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more verbose instructions for Locking the screen when YubiKey is removed

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Patrick Schleizer 2017-11-14 00:46:52 +01:00 committed by GitHub
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security/yubi-key.md
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@ -104,7 +104,9 @@ YubiKey. This will require creating simple qrexec service which will expose
ability to lock the screen to your USB VM, and then adding udev hook to
actually call that service.
1. First configure the qrexec service. Create `/etc/qubes-rpc/custom.LockScreen` (in dom0)
In dom0:
1. First configure the qrexec service. Create `/etc/qubes-rpc/custom.LockScreen`
with simple command to lock the screen. In case of xscreensaver (used in Xfce)
it would be:
@ -115,7 +117,9 @@ would require creating `/etc/qubes-rpc/policy/custom.LockScreen` with:
sys-usb dom0 allow
3. Create udev hook in your USB VM. Store it in `/rw/config` to have it
In your USB VM:
3. Create udev hook. Store it in `/rw/config` to have it
persistent across VM restarts. For example name the file
`/rw/config/yubikey.rules`. Write there single line:
@ -126,8 +130,13 @@ persistent across VM restarts. For example name the file
ln -s /rw/config/yubikey.rules /etc/udev/rules.d/
udevadm control --reload
Then make `/rw/config/rc.local` executable. For changes to take effect, you
need to call this script manually for the first time.
5. Then make `/rw/config/rc.local` executable.
sudo chmod +x /rw/config/rc.local
6. For changes to take effect, you need to call this script manually for the first time.
sudo /rw/config/rc.local
If you use KDE, the command(s) in first step would be different: