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Help with lxc write access (discuss.tchncs.de)

submitted 1 week ago* (last edited 3 days ago) by laggytoast@discuss.tchncs.de to c/selfhosted@lemmy.world

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I need some help with my setup please, I am fairly new to selfhosting and the information I found searching hasn't helped me understand what is wrong. But I have miniPC running proxmox with all my stuff running jellyfin/arr stack etc. I then have another machine running my file share using SMB (maybe this is the wrong way to do it). I can add the share to my datacenter in proxmox and see it and but I cannot get my unprivileged container to write to the share. I can get privileged containers to write when I mount using cifs but this I read this is bad practice.

I have changed permissions on the file share to try give write access, I have tried Option 3 from this link I have been through this reddit thread and others.

Should I just make the lxc's that need to access the file privileged or is there something I am just not understanding here. I assumed this would be a fairly common setup and be fairly easy to configure but I am often wrong.

UPDATE: I changed to use NFS to manage the files and followed this guide allowing both the lxc and the main node on proxmox access to the files and this has solved the issues for me. My file share is just shared from a Debian server I am hosting potentially I will come across this issues when I swap to TrueNas in the future.

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[–] gaylord_fartmaster@lemmy.world 3 points 1 week ago* (last edited 1 week ago) (1 children)

That reddit thread is horrible advice, it's just mapping the LXC root user to the host root user, which is just a privileged LXC with extra steps (and maybe less secure).

The reason you're probably having issues is that your root user in the LXC is mapped to the host user 100000 by default, and that user doesn't have access to the share, but you can change that with mount options or creating a user with 100000:100000 and adding it to a group with access.

[–] laggytoast@discuss.tchncs.de 1 points 1 week ago

This makes sense, I'll investigate this when I'm back home.