Dandified Yum (dnf)

find package which contains file	`rpm -qf /path/to/file`
clean caches	`dnf clean all`
disable repository	`dnf config-manager --set-disabled NAME-OF-REPO`
upgrade system to new release	`dnf system-upgrade download --refresh --releasever=VERSION_NUMBER`

# set "yes" as default for operations (Y/n instead of y/N)
defaultyes=True

config