I recently upgraded this blog to Ghost 2.x and took the opportunity to abandon Disqus. It bloated the post page and came with something like 45 tracking scripts/cookies. To replace it I settled on Commento, a small and privacy-focused open source solution. The minimum subscription is $3/month, which is a bit high for a blog that I only pay $5/month for. Luckily they offer a self-hosted option. Here is how I got it setup.
If you want to get to the meat of the post, jump down to the guide.
This is part of my complete guide to Setting up a CentOS Digital Ocean droplet with Nginx for beginners.