Custom installation media folder in libvirt with SELinux

If you are running a Linux with SELinux in enforcing mode you will encounter an error while trying to creating a new VM with libvirt if you try to use a ISO as installation media which is not in the default /var/lib/libvirt/ folder. The error message will look something like this: 2293: error : qemuMonitorIORead:609 : Unable to read from monitor: Connection reset by peer 2293: error : qemuProcessReportLogError:1928 : internal error: qemu unexpectedly closed the monitor: 2019-03-25T10:59:10.
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Fixing a missing or broken UEFI record on Fedora 29

So here’s the situation: I’ve recently had to remove the CMOS battery on my system. This resulted in my PC getting past POST again but it also removed all UEFI entries. The official fedora documentation tells you to just to dnf reinstall grub2-efi shim. If that works for you, great! No need to read on. If for some reason it didn’t, here’s what I did to fix it: Solution Grab an USB-Stick loaded with a Live-Distribution and boot from it.
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