R/ RStudio - install devtools fails?

Question

I am trying to install devtools in my RStudio. But I get tons of errors:

* installing *source* package ‘curl’ ...
** package ‘curl’ successfully unp         


        

Answer 1

Your question contains the answer:-

Configuration failed because openssl was not found. Try installing:
 * deb: libssl-dev (Debian, Ubuntu, etc)
 * rpm: openssl-devel (Fedora, CentOS, RHEL)
 * csw: libssl_dev (Solaris)
 * brew: openssl@1.1 (Mac OSX)