ec2-run-instances

• http://docs.amazonwebservices.com/AWSEC2/latest/CommandLineReference/index.html?ApiReference-cmd-RunInstances.html

$ ec2-run-instances ami-xxxxxxxx --availability-zone ap-northeast-1b --instance-type m1.small --instance-count 1 --group default --key hoge
RESERVATION     r-xxxxxxxx      68778599xxxx    default
INSTANCE        i-xxxxxxxx      ami-xxxxxxxx                    pending hoge  0               m1.small        2011-07-23T08:02:04+0000        ap-northeast-1b aki-xxxxxxxx                    monitoring-disabled                                   instance-store                                          xen             sg-xxxxxxxx     default

こんな感じで起動する。
tag付けみたいなものはあとからする感じのようだ。

$ ec2-create-tags i-32ade233 --tag="Name=hoge-1" --tag="Role=web" --tag="Service=fuga"
TAG     instance        i-xxxxxxxx      Name    hoge-1
TAG     instance        i-xxxxxxxx      Role    web
TAG     instance        i-xxxxxxxx      Service fuga