sudo echo "fastestmirror=True" | sudo tee -a /etc/dnf/dnf.conf
sudo echo "max_parallel_downloads=10" | sudo tee -a /etc/dnf/dnf.conf
sudo echo "defaultyes=True" | sudo tee -a /etc/dnf/dnf.conf
sudo echo "keepcache=True" | sudo tee -a /etc/dnf/dnf.conf
sudo echo "deltarpm=True" | sudo tee -a /etc/dnf/dnf.conf