COLO or Coarse Grain Lock Stepping is an High Availability solution that builds on top of Remus,

There is plenty of documentation wiki articles, forum posts, etc., but even with Google or local search engines the answer may be hard to find. Sometimes categorisation is missing or just basic information.

Summary

There is a long-standing problem that mirrorbrain on download.opensuse.org does not do reasonable redirection when a user comes by with an ipv6 address...

git-sort is a a tool that reads a list of git commits and sorts them so that the partial ordering of parent-child relationships is respected. It performs this as a stable sort; it preserves the input order of commits that are on parallel development branches. This tool is useful when backporting a large number of commits so that the commits may be cherry-picked in an order such that no child commit appears before any of its ancestors.