After I installed Fedora 20 on my new computer, I could not use 'yum install' because I just got a long string of error messages.
I first posted this question on this site: "How can I get yum and the internet browser to work after fresh Fedora 20 installation" which gives the full details of the errors I got early on.
After nearly six weeks of frustration I finally found the answer in:
http://qandasys.info/fedora-19-unable-to-update-or-install-could-not-resolve-host/ Answer by Stramash November 4, 2013 at 2:24 pm Resolved this by adding nameserver 18.104.22.168 above my router’s address in resolv.conf that was obtained by DHCP.
I had also asked, here: "I have to do this edit every time I log on, and I would like to make it permanent." and soon found an answer in:
So I did this edit:
changing the line:
Although this all works, I am not sure why. What I would, please, like is to read a detailed description of what yum does to locate an installation package, the files associated with this process, and how they can be modified or configured if necessary, for instance as a flow chart or list.