this post was submitted on 26 Oct 2024
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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).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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[–] [email protected] 17 points 1 month ago (15 children)

I just setup Jellyfin on docker the other day for the first time.

It just occurred to me that I don’t know how to update docker.

Any advice?

[–] talentedkiwi 13 points 1 month ago* (last edited 1 month ago) (1 children)

Did you use docker compose file or just run a command to start the container?

Edit: I always use compose files. For that you can do the following:

docker compose pull
docker compose down
docker compose up -d

You don't technically need the stop, but I've found once or twice in the past where it was good to stop because of image dependencies that I forgot to put in my compose.

For running a command directly I found this website that seems to summarize it pretty well I think:

https://www.cherryservers.com/blog/how-to-update-docker-image

[–] [email protected] 3 points 1 month ago (1 children)

Yes, I used docker compose. Do I need to do anything to clean up with this method?

[–] talentedkiwi 3 points 1 month ago* (last edited 1 month ago) (1 children)

Now that you mention it, I always do a

docker system prune -f

This will clean up old images that are no longer used. I setup an alias command in Linux to do all of those commands.

I just named it docker_update and saved it in my ~/.bashrc

alias docker_update="docker compose pull && docker compose down && docker compose up -d && docker system prune -f"
[–] talentedkiwi 3 points 1 month ago (1 children)

I see someone mention watchtower, while not a bad thing, I just prefer to manually update. This helps to ensure any breaking changes don't break my system. Especially with something like Immich at it's had a lot of them recently as they work towards stable. I just generally subscribe to their release and do updates as necessary.

[–] [email protected] 3 points 1 month ago

And there are breaking changes in this Jellyfin release.

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