I am trying to install python on HDP 2.5 I am using oracle virtualbox  I already followed the following steps  1. su root 2. cd /etc/yum.repos.d 3. cp sandbox.repo /tmp 4. rm sandbox.repo 5. cd ~   I am getting this error:: Loading mirror speeds from cached hostfile YumRepo Error: All mirror URLs are not using ftp, http[s] or file. Eg. Invalid release/repo/arch combination/ removing mirrorlist with no valid mirrors: /var/cache/yum/x86_64/6/base/mirrorlist.txt Error: Cannot find a valid baseurl for repo: base   ... View more