Hi Chen, You can customize an Atomic Host using cloud-init:
http://cloudinit.readthedocs.io/en/latest/ There's also a quickstart available on the Project Atomic website to guide you through that process: http://www.projectatomic.io/docs/quickstart/ Hope that helps! ----- Original Message ----- > hi all, > > I have downloaded the qcow2 file for kvm from centos atomic host > download page, who know the login in user and passwd ? I don't find it > in website. > > > -- > Sincerely, > Chen Fan > >