netoff

// Run this on https://developer.mozilla.org/en/docs/Web/HTML/Element
var tags = [], nodeList = document.querySelectorAll('td a code'); 
for (i in nodeList) {
    if ((nodeList[i].innerText) && (nodeList[i].innerText.indexOf('<') > -1)) {
        var tag = nodeList[i].innerText.replace('<','').replace('>','');
        if (tags.indexOf(tag) == -1) {
            tags.push(tag);
        }
    }
}

netoff

# Install rbenv
git clone git://github.com/sstephenson/rbenv.git /usr/local/rbenv

# Add rbenv to the path:
echo '# rbenv setup' > /etc/profile.d/rbenv.sh
echo 'export RBENV_ROOT=/usr/local/rbenv' >> /etc/profile.d/rbenv.sh
echo 'export PATH="$RBENV_ROOT/bin:$PATH"' >> /etc/profile.d/rbenv.sh
echo 'eval "$(rbenv init -)"' >> /etc/profile.d/rbenv.sh

chmod +x /etc/profile.d/rbenv.sh