...
* create key-pair for one Eucalyptus session
> euca-add-keypair balewski-euca > balewski-euca.private
> chmod 0600 balewski-euca.private
* launch an instance you want. The default image has 10GB limit, if you need larger add '-t m1.xlarge' or even '-t c1.xlarge' for CPUs/20G memory/20 G disk.
> euca-run-instances -k balewski-euca -t m1.xlarge emi-39DF160F
OUTPUT:
RESERVATION r-470107EF balewski balewski-default
INSTANCE i-31D50646 emi-39DF160F 0.0.0.0 0.0.0.0 pending balewski-euca 2010-10-22T16:05:53.609Z eki-AEC117E0 eri-175C1933
...