xm create -c /path/to/config - Start a virtual machine
xm shutdown <name> - Stop a virtual machine
xm destroy <name> - Stop a virtual machine immediately without shutting it down
   It's as if you switch off the power button
xm list - List all running systems
xm console <name> - Log in on a virtual machine
xm help - List of all commands

===============	xen-create-image
xen-create-image --hostname=xen1.example.com --size=2Gb --swap=256Mb --ide \
 --ip=192.168.0.101 --netmask=255.255.255.0 --gateway=192.168.0.1 --force \
 --dir=/home/xen --memory=64Mb --arch=i386 --kernel=/boot/vmlinuz-2.6.19-4-server \
 --initrd=/boot/initrd.img-2.6.19-4-server --debootstrap --dist=dapper \
 --mirror=http://de.archive.ubuntu.com/ubuntu/ --passwd

--------------- /etc/xen/xen1.example.com.cfg
#  Kernel + memory size
#
kernel = '/boot/vmlinuz-2.6.19-4-server'

ramdisk = '/boot/initrd.img-2.6.19-4-server'

memory  = '64'

#  Disk device(s).
root    = '/dev/hda1 ro'

disk    = [ 'file:/home/xen/domains/xen1.example.com/disk.img,hda1,w', 'file:/home/xen/domains/xen1.example.com/swap.img,hda2,w' ]

#  Hostname
name    = 'xen1.example.com'
#
#  Networking
#
vif  = [ 'ip=192.168.0.101' ]
#
#  Behaviour
#
on_poweroff = 'destroy'
on_reboot   = 'restart'
on_crash    = 'restart'

=============== start the virtual machine
xm create /etc/xen/xen1.example.com.cfg
--------------- shut down
xm shutdown xen1.example.com

--------------- login
xm console xen1.example.com

---------------
CTRL+] log in on that VM if you are at the console
---------------
=============== list VMs
xm list
--------------- list of all VMs that were created with the xen-create-image
xen-list-images

---------------
=============== vm01 to start automatically at the next boot of the system
ln -s /etc/xen/xen1.example.com.cfg /etc/xen/auto
=============== 
===============