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Proxmox bind mounts are a nightmare for user permissions (lemmy.world)

submitted 4 months ago* (last edited 4 months ago) by ama_coffee_addict@lemmy.world to c/selfhosted@lemmy.world

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Hi, I need help to understand what I am doing wrong with my setup.

I am running a proxmox node (pve) where I have mounted my nfs storage (containing backups from my old server) on the host and assigning them to containers using pct set command.

On Host:I am setting the user permissions to the mounted folder so that the user from lxc can rw to it and the sub-folders(or atleast I thought it would be possible).

On Unpreviledged LXC:The mount is recognized and is accessible with the correct user permissions to rw

The docker container created inside the lxc is unable to read/write to this storage even though they are assigned to the correct user id 1000. The docker setup is logging errors and won't start up.

Appreciate the help!

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[–] scrubbles@poptalk.scrubbles.tech 1 points 4 months ago (1 children)

the default is root, but most containers will specify a UID/GID to run under. That makes it even harder with docker on lxc on proxmox.

[–] ama_coffee_addict@lemmy.world 1 points 4 months ago

This is the case with bookstack image. I specify the uid and gid as environment variables and it is expected that the ids remain compatible with the lxc and the host. But I am having trouble writing to the mount even from the lxc with the uid 1000 which is mapped to 101000 on the host.