sudo gedit /etc/yum.repos.d/jsundermeyer.repo
[home_jsundermeyer]
name=jsundermeyer's Home Project (Fedora_22)
type=rpm-md
baseurl=http://download.opensuse.org/repositories/home:/jsundermeyer/Fedora_22/
gpgcheck=1
gpgkey=http://download.opensuse.org/repositories/home:/jsundermeyer/Fedora_22//repodata/repomd.xml.key
enabled=1
sudo dnf update
sudo dnf install texstudio