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LXC + Docker Containers + Storage - A Crash Course!

In this video I've tried to collect all the information that can be useful for people to mount and use storage in LXC containers and even in Docker containers nested inside LXC containers! The video is based on Proxmox, but concentrates on LXC containers meaning that you can actually use knowledge shared here without Proxmox. Topics discussed include bind mounts, id mapping, troubleshooting permission and file ownership issues, idmap, subuid/subgid issues, etc. Chapters: 00:00 Intro 00:35 Background and motivation 01:14 Goals and prerequisites 02:04 Bind mount basics 07:34 Intro to ID maps 10:57 An oversimplified example 12:06 A full blown example 15:15 subuids and subgids 18:52 Troubleshooting permission issues 21:55 Fake local users / groups 27:12 Ownership problems? 29:00 umask basics 32:10 Mapping host users to LXC containers 37:36 Home folder issue caused by idmap 41:00 Let's add Docker to the mix! 44:22 Outro This is a particularly hot topic on Reddit and Proxmox forums, yet most people ask questions and the answers are usually scarce. If you have a question the video still does not answer, use the comments as usual. The umask calculator I mentioned in the video: https://wintelguy.com/umask-calc.pl If you enjoyed this video and want to see more, please consider subscribing to my channel! My secondary YouTube channel (behind the scenes, vlogs, personal projects):    / @laszlomerczel140   My programming projects and Arduino code samples on GitHub: https://github.com/TheTinkerDad/ My 3D printing Projects on Thingiverse: https://www.thingiverse.com/TheTinker... My published Docker images on DockerHub: https://hub.docker.com/u/thetinkerdad Also check out the social media for more info on this page, about what I'm up to, etc:   / thetinkerdad     / thetinkerdad     / thetinkerdad   Background music: Copyright free music by Harris Heller / StreamBeats.com