Enable the tag plugin
Add tags to all existing posts
creating tag page tags/foreman
creating tag page tags/ruby
creating tag page tags/eudyptula
creating tag page tags/diy
creating tag page tags/ops
creating tag page tags/puppet
creating tag page tags/kvm
creating tag page tags/linux
creating tag page tags/testing
creating tag page tags/hosting
Do not link tags separately.

They are already shown in the default page template footer
creating tag page tags/i3
creating tag page tags/bootstrap
creating tag page tags/munin
creating tag page tags/osm
creating tag page tags/performance
creating tag page tags/programming
creating tag page tags/productivity