# Kernel version upgrade required when manually updating discourse

**URL:** https://meta.discourse.org/t/kernel-version-upgrade-required-when-manually-updating-discourse/253756
**Category:** Self-hosting
**Created:** [February 1, 2023, 9:16pm UTC](https://meta.discourse.org/t/kernel-version-upgrade-required-when-manually-updating-discourse/253756 "2023-02-01T21:16:26Z")
**Posts on this page:** 1
**Showing post:** 37

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### Author: ![AstonJ](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/astonj/32/215041_2.png) [@AstonJ](https://meta.discourse.org/u/AstonJ)
#### Post date: [June 8, 2023, 9:37pm UTC](https://meta.discourse.org/t/kernel-version-upgrade-required-when-manually-updating-discourse/253756/37 "2023-06-08T21:37:40Z")

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It’s in the post by @Ed_S:

> [@Ed\_S](#):
>
> [This](https://github.com/discourse/discourse_docker/pull/673) is the issue where the check was added.

> On Ruby 3.1 there is a RuntimeException when calling `Random.urandom` on platforms where it’s not properly implemented, which includes people running Ubuntu 14.04 with kernel 3.13.

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