Ensure that /proc/sys/net is writable#17
Open
AndrewKvalheim wants to merge 1 commit intoSeaGL:mainfrom
Open
Conversation
Works around failure of Docker to create containers (moby/moby#47769)— level=error msg="Cannot disable IPv6 on container interface." error="open /proc/sys/net/ipv6/conf/eth0/disable_ipv6: read-only file system" interface=eth0 —as suggested in the Docker Engine 27.0.1 release notes.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Docker fails to create containers when
/proc/sys/netis read-only:The Docker 27.0.1 release notes suggest three workarounds:
This had no effect; Docker still attempted to write into
/proc/sys/net, needlessly.This is possible since we’re already using
CAP_SYS_ADMIN.This caused Dokku’s nginx configurations to become invalid, as they listen on IPv6 by default.