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this post was submitted on 06 Nov 2023
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Truenas scale running a helm packages of Nextcloud.
K8S is the future.
As much as I dislike being locked into the "ecosystem" of truecharts, you're absolutely right that its the future.
You don’t actually have to learn either of them to get the system working
They actually did a really good job of making it user-friendly
But then if you don't understand how it works, how do you make off-site backups?
How do you extract data if one day you want to use another os?
What if you want to backup the database?
That’s the beauty of it, when you install the images you select where the storage is on your drives. All you have to do is backup your array and you’ll have backups of the apps too!
it doesn't seem to have a way to have shell access to the container, what if nextcloud breaks and need to type the
php occcommandsReally? I swear I’ve done it.
Even without shell access, you can run the container and send the entry command. Or run a separate container locally with the data mounted.
i tried to see, i did not find a way to get shell access
but i'm not a truenas guru, not at all, i have like 1 week of experience and this k8s stuff with no docker support shocked me. Seems like docker has been removed in the latest release that got published one week ago
Oh! Okay, once the app is running, you can click the little “3 dot menu” in the top right hand corner and the fourth option down is shell
From the brief research I just did, this does seem like a good direction to take. However I'm doing a lot of learning right now and I'm trying to stick with just one or two technologies at a time and adding in Kubernetes and Helm is a little beyond me right now.
Then you're similar to me. I setup a new truenas scale server with the intention to replace a debian server that's running dozens of docker containers via docker compose. No, it can't be done. Options are k8s and virtual machines. That's it. I can't even run borgmatic.
What I'm doing is sharing the storage via iscsi to the debian server (it's like a virtual disk image) using 10gb fiber. But now I have two servers, and the truenas one can never afford a second of downtime, if that one turns off it's like yanking drives from a running system.
Now, if I had time I could definitely learn k8s and rewrite all my docker compose yml files but I have no time, it feels like a completely different concept
The available applications out of the box on truenas scale are just 96 and only few of them are actually useful. There's a way to add a second unofficial repository (true charts) that adds another 500 apps, but the list is weird. There are like 5 Minecraft servers but not a single standalone database. No mariadb, MySQL, mongo and so on.
In addition to that, the extra 400 apps that can be installed via truecharts come with ABSOLUTELY ZERO documentation. It doesn't even explain the environmental variables. See by yourself: https://truecharts.org/charts/stable/actualserver/
That's assuming those applications even work. Most of them are broken and its really hard to push fixes. WG comes to mind, totally broken because someone decided to hardcode
eth0as interface name and modern systems use biosdevname.yeah i tried some of them and then i just gave up. For example, the way diskover data is configured by default is to index and show stats of an empty directory with a test file. And the free version allows to index a single directory, so...
Change the default directory to your main one? The documentation consists in:
yes, that's it. Very useful
What a great documentation ahaha
You actually don’t need to learn either of them, they did a really good job of making the system user-friendly
Nobody should run k8s/k3s without understanding how they work lol, that's a recipe for lost data.
How so?
As long as you set the app storage to the array, all you need to do is look after the backups on the array and it all works beautifully.
That’s something you should do anyways
Docker ftw