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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

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My /var/tmp folder is endlessly stacking up on "container_images_storage_xxxxxxxxxx" folders? (slrpnk.net)

submitted 5 months ago by Sunny to c/linux@lemmy.ml

32 comments fedilink hide all child comments

The issue at hand: My /var/tmp folder is stacking up on literary hundreds of folders called "container_images_storage_xxxxxxxxxx", where the x's present a random number. Each folder contains the following files called 1, 2 and 3 as seen in thumbnail. Each folder seems to increase in size too, as the lowest I can see is the size of 142.2 MiB, but the highest 2.1GB. This is a problem as it is taking up all my disk space, and even if I do delete them, they come back the next day... I believe this has something to do with podman, but I'm really not quite sure. All I use the PC for is browsing and gaming.

Is there a way to figure out where a file or folder is coming from on Linux? I've tried stat and file, but neither gave me any worthwhile information AFAIK. Would really appreciate some help to figure what causes this, I am still new to the Linux desktop and have no idea what is causing this issue. I am on atomic desktop, using Bazzite:latest.

stat:

stat 1
  File: 1
  Size: 1944283388	Blocks: 3797432    IO Block: 4096   regular file
Device: 0,74	Inode: 10938462619658088921  Links: 1
Access: (0600/-rw-------)  Uid: ( 1000/    buzz)   Gid: ( 1000/    buzz)
Context: system_u:object_r:fusefs_t:s0
Access: 2024-05-06 12:18:37.444074823 +0200
Modify: 2024-05-06 12:22:51.026500682 +0200
Change: 2024-05-06 12:22:51.026500682 +0200
 Birth: -

file

file 1
1: gzip compressed data, original size modulo 2^32 2426514442 gzip compressed data, reserved method, ASCII, extra field, encrypted, from FAT filesystem (MS-DOS, OS/2, NT), original size modulo 2^32 2426514442

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[–] atzanteol@sh.itjust.works 3 points 5 months ago (1 children)

Aha! Looks like it is podman then.

So - there are a few different types of resources podman manages.

containers - These are instances of an image and the thing that "runs". podman container ls
images - These are disk images (actually multiple but don't worry about that) that are used to run a container. podman image ls
volumes - These are persistent storage that can be used between runs for containers since they are often ephemeral. podman volume ls

When you do a "prune" it only removes resources that aren't in use. It could be that you have some container that references a volume that keeps it around. Maybe there's a process that spins up and runs the container on a schedule, dunno. The above podman commands might help find a name of something that can be helpful.

[–] Sunny 2 points 5 months ago (1 children)

aha! Found three volumes! had not checked volumes uptil now, frankly never used podman so this is all new to me... Using podman inspect volume gives me this on the first volume;

[
     {
          "Name": "e22436bd2487a197084decd0383a32a39be8a4fcb1ded6a05721c2a7363f43c8",
          "Driver": "local",
          "Mountpoint": "/var/home/buzz/.local/share/containers/storage/volumes/e22436bd2487a197084decd0383a32a39be8a4fcb1ded6a05721c2a7363f43c8/_data",
          "CreatedAt": "2024-03-15T23:52:10.800764956+01:00",
          "Labels": {},
          "Scope": "local",
          "Options": {},
          "UID": 1,
          "GID": 1,
          "Anonymous": true,
          "MountCount": 0,
          "NeedsCopyUp": true,
          "LockNumber": 1
     }
]

[–] atzanteol@sh.itjust.works 3 points 5 months ago (1 children)

Navigating the various things podman/docker allocate can be a bit annoying. The cli tools don't make it terribly obvious either.

You can try using docker volume rm name to remove them. It may tell you they're in use and then you'll need to find the container using them.

[–] SimplyTadpole@lemmy.dbzer0.com 1 points 5 months ago (1 children)

Does all this also apply to distrobox? I don't use podman, but I do use distrobox, which I think is a front-end for it, but I don't know if the commands listed here would be the same.

[–] atzanteol@sh.itjust.works 2 points 5 months ago

I'm not terribly familiar with distrobox unfortunately. If it's a front end for podman then you can probably use the podman commands to clean up after it? Not sure if that's the "correct" way to do it though.