almalinux.org
dhall-lang
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9.7 | 6.0 | |
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HTML | Dhall | |
Creative Commons Attribution Share Alike 4.0 | BSD 3-clause "New" or "Revised" License |
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almalinux.org
- June 30th, 2024, will bring the End of Life (EOL) of CentOS Linux
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Keeping Open Source Open: Rocky Linux
https://almalinux.org (At the bottom, "Backed By")
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what is the typical size of Linux updates?
This might be a good use case for RHEL family distribution (such as CentOS Stream or AlmaLinux) or Debian. These are much longer lived distributions, and provide fewer update churn over time than other distributions.
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Can't get Nagios to work on Ubuntu 22.04
If If you feel more comfortable on a RHEL based distro, there a good alternatives to CentOS such as AlmaLinux or Rocky Linux.
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Rust language forked by community into Crab
This situation still exists and Gregory Kurtzer's RockyLinux (Greg started CentOS originally), CloudLinux's AlmaLinux, and others exist to fill the need for a freely installable RHEL clone.
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It's in a bit of an odd location but Alma Linux does provide images with different desktop environments
If you go to https://almalinux.org and click download, then click "Get Live Media Image", you'll be sent to a page with that link as well.
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Rocky Linux 8.8 Available Now
Look at AlmaLinux also. I'm not sure of any technical reason why you'd chose one over the other, but AlmaLinux is a public non-profit with a board, Rocky ownership is a private org.
https://almalinux.org/
I moved everything to UbuntuLTS also, and I'm not moving again. But if I had waited, and I sort of wish I had, I'd probably be moving to Alma.
- Which Linux Distro You Guys Recommend?
- Suggestions for a rhel based server?
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what host OS to use for Docker and does it even matter?
I was raised on Debian and I've been using it for all my Linux servers. On my ESXi I use VMware Photon OS as the host OS for my Docker. My primary client is using Alma Linux as the host OS for their Docker deployments.
dhall-lang
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Apple releases Pkl – onfiguration as code language
Fail to see how this is any different than Dhall (https://dhall-lang.org/) other than it produces plists too.
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Pkl, a Programming Language for Configuration
Kubernetes config is a decent example. I had ChatGPT generate a representative silly example -- the content doesn't matter so much as the structure:
https://gist.github.com/cstrahan/528b00cd5c3a22e3d8f057bb1a7...
Now consider 100s (if not 1000s) of such files.
I haven't given Pkl an in depth look yet, but I can say that the Industry Standard™ of "simple YAML" + string substitution (with delicate, error prone indentation -- since YAML is indentation sensitive) is easily beat by any of:
- https://jsonnet.org/
- https://nickel-lang.org/
- https://nixos.org/manual/nix/stable/language/index.html
- https://dhall-lang.org/
- (insert many more here, probably including Pkl)
- Why the fuck are we templating YAML? (2019)
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Is Htmx Just Another JavaScript Framework?
There are underpowered languages / tools, that can only solve a problem for which they are intended poorly. But not all limited tools are like that.
Say, eBPF is prominently not Turing-complete, which allows to guarantee that a eBPF program terminates, and even how soon. Still eBPF is hugely useful in its area.
Or, say, regular expressions are limited to regular languages; in particular, they famously [1] cannot process recursive structures, like trees. Still tools like grep / ag / rg are mightily useful.
Yes, I agree that YAML is underpowered for proper k8s configuration! But it's also too powerful for its own good in other aspects [2]. I wish Google used Dhall [3] or their own purely functional config language (FCL? I already forgot the name) instead of YAML; sadly, they did not.
[1]: https://stackoverflow.com/a/1732454/223424
[2]: https://ruudvanasseldonk.com/2023/01/11/the-yaml-document-fr...
[3]: https://dhall-lang.org/
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10 Ways for Kubernetes Declarative Configuration Management
Dhall: Dhall is a programmable configuration language that combines features like JSON, functions, types, and import capabilities. Its style leans towards functional programming, so if you're familiar with functional-style languages such as Haskell, you might find Dhall to be quite intuitive.
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Berry is a ultra-lightweight dynamically typed embedded scripting language
I've been thinking along these lines but more 'strongly validated' than statically typed in the sense that you'd be better off being able to load the entire config and then produce a list of problems (and should be able to offer good editor support if done correctly).
Though https://dhall-lang.org/ demonstrates that you can statically type quite a lot of configuration to great advantage, which appears to be programmatically embeddable in multiple languages per https://docs.dhall-lang.org/howtos/How-to-integrate-Dhall.ht...
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What Is the Point of Decidability
> Where practical is in the sense of an engineer (or in their terms, a CS practitioner),
Configuration processing. E.g. I'd like my yamls to be decidable, though I'd settle for guaranteed to halt[1].
[1] https://dhall-lang.org/
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What Is Wrong with TOML?
Maybe you'd like jsonnet: https://jsonnet.org/
I find it particularly useful for configurations that often have repeated boilerplate, like ansible playbooks or deploying a bunch of "similar-but" services to kubernetes (with https://tanka.dev).
Dhall is also quite interesting, with some tradeoffs: https://dhall-lang.org/
A few years ago I did a small comparison by re-implementing one of my simpler ansible playbooks: https://github.com/retzkek/ansible-dhall-jsonnet
- Show HN: FlakeHub – Discover and publish Nix flakes
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Home Blog Better configuration languages – A talk about Dhall [video]
And to checkout Dhall: https://dhall-lang.org/
What are some alternatives?
raspberry-pi - AlmaLinux Raspberry Pi
cue - CUE has moved to https://github.com/cue-lang/cue
katello - Katello integrates open source systems management tools into a single solution for controlling the lifecycle of your machines.
jsonnet - Jsonnet - The data templating language
centos2ol - Script and documentation to switch CentOS/Rocky Linux to Oracle Linux
cue - The home of the CUE language! Validate and define text-based and dynamic configuration
wsl-images - Visual Studio solution and kickstart file to generate WSL images and the associated appx.
terraform - Terraform enables you to safely and predictably create, change, and improve infrastructure. It is a source-available tool that codifies APIs into declarative configuration files that can be shared amongst team members, treated as code, edited, reviewed, and versioned.
Raspberry-Pi - My public Baremetal Raspberry Pi code
jsonlogic - Go Lang implementation of JsonLogic
ohpc - OpenHPC Integration, Packaging, and Test Repo
nix-gui - Use NixOS Without Coding