createrepo rpm installation problem – solution

Error:

[root@server1 Packages]# rpm -ivh createrepo-0.9.8-4.el6.noarch.rpm
warning: createrepo-0.9.8-4.el6.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID fd431d51: NOKEY
error: Failed dependencies:
    deltarpm is needed by createrepo-0.9.8-4.el6.noarch
    python-deltarpm is needed by createrepo-0.9.8-4.el6.noarch

Solution:

rpm -ivh createrepo-0.9.8-4.el6.noarch.rpm deltarpm* python-deltarpm*