help needed..

yum install -y https://rdo.fedorapeople.org/rdo-release.rpm
Loaded plugins: fastestmirror, langpacks
Cannot open: https://rdo.fedorapeople.org/rdo-release.rpm. Skipping.
Error: Nothing to do

wget https://rdo.fedorapeople.org/rdo-release.rpm
is downloading

but then after installation,
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Vedsar Kushwaha
M.Tech-Computational Science
Indian Institute of Science