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sysadmin_misc:qemu

Qemu

Quickly launch a qemu vm with local qcow as hard drive

In this example I am using the docker0 bridge because I do not want to have to modify my shorewall config, but any proper bridge would do :

ip tuntap add tap0 mode tap
brctl addif docker0 tap0
qemu-img create -f qcow2 obsd.qcow2 10G
qemu-system-x86_64 -curses -drive file=install65.fs,format=raw -drive file=obsd.qcow2 -net nic,model=virtio,macaddr=00:00:00:00:00:01 -net tap,ifname=tap0
qemu-system-x86_64 -curses -drive file=obsd.qcow2 -net nic,model=virtio,macaddr=00:00:00:00:00:01 -net tap,ifname=tap0

The first qemu command runs the installer, the second one just runs the vm.

Launch a qemu vm with your local hard drive

My use case for this is to install openbsd on a server from a hosting provider that doesn't provide an openbsd installer :

qemu-system-x86_64 -curses -drive file=miniroot65.fs -drive file=/dev/sda -net nic -net user

Ressources

sysadmin_misc/qemu.txt · Last modified: 2019/06/10 15:22 by adyxax