R installation issues

Hello,

I am trying to install R-Studio on my linux machine. Here are the steps I have followed. But when try to verify the installation, I am getting below error. I have just started using R and does not have any prior knowledge. Could you help me explain what I am missing? Thank you for your help.

https://cdn.rstudio.com/r/centos-7/pkgs/R-3.6.3-1-1.x86_64.rpm
yum install R-3.6.3-1-1.x86_64.rpm -y

https://download2.rstudio.org/server/centos8/x86_64/rstudio-server-rhel-1.4.1106-x86_64.rpm
sudo yum install rstudio-server-rhel-1.4.1106-x86_64.rpm -y

[ec2-user@ip-10-233-70-73 ~] sudo rstudio-server verify-installation /usr/lib/rstudio-server/bin/rserver: error while loading shared libraries: libssl.so.1.1: cannot open shared object file: No such file or directory [ec2-user@ip-10-233-70-73 ~]

I have further modified my script
with sudo yum install openssl11-libs -y
and now I am getting
/usr/lib/rstudio-server/bin/rserver: /lib64/libpq.so.5: no version information available (required by /usr/lib/rstudio-server/bin/rserver)
/usr/lib/rstudio-server/bin/rserver: /lib64/libstdc++.so.6: version CXXABI_1.3.8' not found (required by /usr/lib/rstudio-server/bin/rserver) /usr/lib/rstudio-server/bin/rserver: /lib64/libstdc++.so.6: version GLIBCXX_3.4.20' not found (required by /usr/lib/rstudio-server/bin/rserver)
/usr/lib/rstudio-server/bin/rserver: /lib64/libstdc++.so.6: version `GLIBCXX_3.4.21' not found (required by /usr/lib/rstudio-server/bin/rserver)

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