Run this under tag folder in order to generate a page for each of your tags. If you added a new tag you need to come to this page and run the script again.
echo $'---\nlayout: tag_index\ntag: installation \n---' > 'installation.md' &
echo $'---\nlayout: tag_index\ntag: images \n---' > 'images.md' &
echo $'---\nlayout: tag_index\ntag: jekyll \n---' > 'jekyll.md' &
echo $'---\nlayout: tag_index\ntag: analytics \n---' > 'analytics.md' &
echo $'---\nlayout: tag_index\ntag: tags \n---' > 'tags.md' &
echo $'---\nlayout: tag_index\ntag: comments \n---' > 'comments.md' &
echo $'---\nlayout: tag_index\ntag: customizations \n---' > 'customizations.md' &
echo $'---\nlayout: tag_index\ntag: code \n---' > 'code.md' &