• sudo apt-get install curl php-curl • sudo apt-get install aria2 • mkdir /var/log/aria2c /var/local/aria2c • touch /var/log/aria2c/aria2c.log • touch /var/local/aria2c/aria2c.sess • chown www-data.www-data -R /var/log/aria2c /var/local/aria2c • chmod 770 -R /var/log/aria2c /var/local/aria2c • ln -s /usr/local/bin/youtube-dl /usr/bin/