Here are few things you can do after installing Fedora 15 to make the experience better. You may have to enable sudo to follow some of the tips or you can run the commands in terminal by logging in as root (su). The following are in no particular order. Feel free to skip the ones you do not need.
Here is how you can enable ‘sudo’ in Fedora so that you don’t have to login as root everytime you need to run a command as root. Open up terminal and type in the following: