# Installation Errors **URL:** https://meta.discourse.org/t/installation-errors/202614 **Category:** Self-hosting **Created:** [September 4, 2021, 12:50pm UTC](https://meta.discourse.org/t/installation-errors/202614 "2021-09-04T12:50:27Z") **Posts on this page:** 1 **Showing post:** 7
### Author: ![Falco](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/falco/32/179432_2.png) [@Falco](https://meta.discourse.org/u/Falco) #### Post date: [September 7, 2021, 3:57pm UTC](https://meta.discourse.org/t/installation-errors/202614/7 "2021-09-07T15:57:00Z")
This is a networking problem between your VPS host (Bloom) and RubyGems CDN. There are several reports where this is caused by traffic between Level3 and Fastly and a failure to properly detect the packet size for this route. A user reported success working around this issue with lowering the host MTU: > [@Rebuild failing "rubygems.org: too many connection resets"](https://meta.discourse.org/t/rebuild-failing-rubygems-org-too-many-connection-resets/111144/1): > > After several reboots of the VM, disabling IPv6 etc, **i reduced the MTU for the system to 1280** (just a shot in the dark): Voila! --- _[View the full topic](https://meta.discourse.org/t/installation-errors/202614)._