= Debian specific commands (Lenny)

apt-get install git-core git-daemon-run gitosis

usermod -d /home/git git
usermod -d /opt/beta/www-user www-data

ssh-keygen -t rsa
cp ~/.ssh/id_rsa.pub /tmp
sudo -H -u git gitosis-init < /tmp/id_rsa.pub

# add user www to git group and git user to www group
usermod -a -G git www-data
usermod -a -G www-data git
chgrp -R www-data /home/git/repositories/

More details on this blog: http://scie.nti.st/2007/11/14/hosting-git-repositories-the-easy-and-secure-way