# Fatal error when trying to start Docker (Oracle VM) **URL:** https://meta.discourse.org/t/fatal-error-when-trying-to-start-docker-oracle-vm/193482 **Category:** Self-hosting **Created:** [June 11, 2021, 4:16am UTC](https://meta.discourse.org/t/fatal-error-when-trying-to-start-docker-oracle-vm/193482 "2021-06-11T04:16:59Z") **Posts on this page:** 1 **Showing post:** 17
### Author: ![Ed\_S](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/ed_s/32/134015_2.png) [@Ed\_S](https://meta.discourse.org/u/Ed_S) #### Post date: [August 3, 2021, 2:59pm UTC](https://meta.discourse.org/t/fatal-error-when-trying-to-start-docker-oracle-vm/193482/17 "2021-08-03T14:59:00Z")
It’s been mentioned before - I think Oracle is being naughty, giving you much less than 1G which they round up when describing it: > [@Self hosting for free (with caveats!) with Oracle Cloud](https://meta.discourse.org/t/self-hosting-for-free-with-caveats-with-oracle-cloud/139184/90): > > I’ve tried this and the old adage rings true: you get what you pay for. > > > [@Self hosting for free (with caveats!) with Oracle Cloud](https://meta.discourse.org/t/self-hosting-for-free-with-caveats-with-oracle-cloud/139184/77): > > > > But check on cli is not 1GB … Don’t know why. > > The default is image Oracle Linux, which does not have 1GB as advertised. Edit: see [the linked blog](https://jlericson.com/2021/04/06/oracle_discourse.html): > Perhaps most important missing instruction is **don’t use the default server image**. Discourse requires 1GB of RAM (or [there abouts](https://github.com/discourse/discourse/pull/7368)) and the Oracle Linux image doesn’t leave enough memory for some reason. I don’t know whether CentOS will work, but the Ubuntu image is fine. Just be sure to pick the full install[2](https://jlericson.com/2021/04/06/oracle_discourse.html#fn2) rather than the “Minimal” install --- _[View the full topic](https://meta.discourse.org/t/fatal-error-when-trying-to-start-docker-oracle-vm/193482)._