Setting up automatic php git pulls

apache ssh keys

sudo mkdir -m 0700  /var/www/.ssh
sudo chown -R ubuntu:www-data /var/www/.ssh
# one problem here is I do not know who the exec command is executing as.
sudo -u ubuntu ssh-keygen (empty passphrase)
sudo -u ubuntu ssh -T git@github.com
# this adds git to the recognized list of /var/www/.ssh/known_hosts 
#  paste public key into repo manager
cd (git repo)
sudo -u apache git pull origin branch 

sudo chown ubuntu:www-data /var/lib/apache2/fastcgi -R
sudo chown ubuntu:www-data /var/lock/apache2 
sudo chown ubuntu:www-data -R /var/log/apache2