Comment 13 for bug 985341

This install command worked for me on precise:

sudo sh -c "mkdir -p /var/lib/rrdcached/db /var/lib/rrdcached/journal && chown $(printf %q "$USER"):$(printf %q "$(groups | awk '{print $1}')") /var/lib/rrdcached/db /var/lib/rrdcached/journal && apt-get install rrdcached"