Installing OpenBSD snapshot (using a 4.6 iso)
I wanted to install the most recent version of OpenBSD in a KVM virtual machine.
Unfortunately, the only iso provided by the hosting company was the 4.6 version.
So here is how I installed the latest version of OpenBSD:
(This assumes you have access to the console and a working network connection)
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Configure the KVM to use ide and e1000 emulation
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Attach the 4.6 iso. Boot the machine and install 4.6
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Once the 4.6 system is running and networking is up, download the newer bsd.rd from an OpenBSD mirror.
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Move this file to the root of the filesystem, e.g.
mv bsd.rd /bsd53.rd
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Shutdown the virtual machine
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Replace the ide and e1000 devices with their virtio counterpart
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Boot the virtual machine
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At the
boot> prompt enter: boot bsd53.rd
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Proceed with installation of the 5.3 version using ftp or http as the media source
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Reboot and done