sudo cp /etc/apt/sources.list ~/
sudo wget "https://pastebin.com/raw/9xWZJqbt" -O /etc/apt/sources.list
sudo apt-get update
sudo rm /etc/apt/sources.list.d/ubuntu-extras.list
sudo apt-get update
sudo rm -rf /var/lib/apt/lists/*
sudo apt-get update -o Acquire::CompressionTypes::Order::=gz
sudo apt-get update && sudo apt-get upgrade