qemu-init

Some tools to make life with qemu more comfortable

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Quickstart

Assuming all prerequisites are fulfilled., the kernel provides virtio/kvm functionality and a network bridge (using a tap device) could be created!

Make sure your user is in the kvm group. Choose a folder for the new virtual machine. Below we use  /path/to/pluto  as example, where  pluto  is the unique identifier (name). Run:

qemu-adm -r /path/to/pluto -f

The option  -r|–register  is the only option which requires a full path. The option  -f  creates an empty hd image.

Now start the virtual machine and get the (real) vnc port afterwards:

 $> qemu-adm --start pluto 

Initiate a vnc connection:

 $> qemu-adm --vnc pluto

Insert a boot CD and reset the virtual machine

qemu-adm --cdrom /path/to/your/install.iso --reset pluto

This resets the virtual machine and starts from the iso image. Now continue to install the operating system. Usually - after the installation is finished - you will perform the reboot from the virtual machine internally. With the default setting  -boot once=d  the inserted iso image will be ignored.

Enable autostart

By default the autostart option is OFF. To enable it run

qemu-adm -a pluto

The last step is to add  qemud  to the init system. Refer to the documentation of the used distribution how this have to be done. In Gentoo (example):

echo "/etc/init.d/qemud start" > /etc/local.d/qemud.start
echo "/etc/init.d/qemud stop" > /etc/local.d/qemud.stop

Other distributions have maybe  /etc/rc.local  and/or  /etc/rc.shutdown  or so. Don't forget the start/stop parameter.

Last modified: 2020/03/04 13:46

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