@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/