Error Rails on Fedora 22

Question

When I want to create an application using rails new firstapp I get an error saying it requires the gem "byebug".

When I tried to install it using gem install byebug I got another error saying the necessary headers are missing.

Please tell me how to fix it.

Screen of my mistakes

Answer 1

You probably need to install Fedora Development Tools

su -
yum groupinstall "Development Tools" "Development Libraries"

and/or ruby develop

yum -y install gcc ruby-devel rubygems