this post was submitted on 20 Nov 2023
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Another permission question (lemm.ee)
submitted 11 months ago by atek@lemm.ee to c/selfhosted@lemmy.world
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Hi,

I'm trying my best to setup Nextcloud on my mediaserver, but I cannot work out the permissions to my data folder.

My setup is as follows: proxmox server openmediavault VM with 8tb disk and nfs shares debian mediaserver with docker compose (including nextcloud docker)

the nfs share is set to 775. I linked it in my debian server through /etc/fstab. I can write to the folder without a problem.

In my docker compose file i linked /mnt/photos:/photos to the nextcloud container. When i login to my container i cannot write files to the folder.

When i change the share to 777, i can write files, but nextcloud setup stops and says my permissions are wide open, so it won't continue the setup.

I turn it back to other:read/execute and the container cannot write to the folder anymore.

What am i doing wrong?

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[–] ninjan@lemmy.mildgrim.com 0 points 11 months ago (2 children)

Try telling Docker its rw explicitly:

  • /mnt/photos:/photos:rw

It should be rw by default but I can't see what else could be happening. What account runs docker? What account runs nextcloud inside the container?

[–] atek@lemm.ee 1 points 11 months ago (1 children)

how can i check which accounts are used? I think my normal user account sets up docker, with uid & gid = 1000. I don't think i created an account in the container so probably root.

[–] JASN_DE@feddit.de 1 points 11 months ago* (last edited 11 months ago) (1 children)

The official NC docker container uses the "www-data" internally to run the services. This will get important if you ever want to run tasks via "docker compose exec".

[–] atek@lemm.ee 1 points 11 months ago (1 children)

When I run: docker exec -it nextcloud bash I get: root@nextcloud:/var/www/html#, does this mean it uses www?

[–] tvcvt@lemmy.ml 1 points 11 months ago

From that prompt, type ls -l. That will show you a listing of the items in the /var/www/html directory and there will be columns for the user and group that own each file. It will most likely say www-data.

[–] possiblylinux127@lemmy.zip 1 points 11 months ago

That won't fix it because its a permission issue at the NFS level