Yes, before you say that it can’t be installed on shared hosts, I have root access.
I run CentOS 6 on my VPS, along with 2gb ram on an OVH VPS.
Is it possible? If yes, how? Thanks 
AI-generated summary
A user with root access on a cPanel server running CentOS 6 with 2GB RAM wants to install Discourse. itsbhanusharma suggests installing Docker on CentOS, which can be challenging, and then following the 30-minute install guide. pfaffman agrees that installing Docker on CentOS 6 may be difficult, and also recommends figuring out how to reverse proxy with Apache to Discourse, referencing a guide. The user plans to start the installation process and will report back on the outcome.
If You can handle the installation part for docker on centos (tip: google it) then the rest of the gig is as simple as following the 30 minutes install guide.
I think that Docker on CentOS 6 may be challenging. If you can install Docker and make it work, you’ll be getting closer.
You’ll also need to figure out how to reverse proxy whatever is the front door (Apache?) to Discourse. Something like Set up Discourse on a server with existing Apache sites
For $5/month, you can avoid a bunch of pain.
Thanks. I’ll get started on the installation tomorrow morning and let you know how it’ll work out.