conmon
pq
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conmon
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Creating Kubernetes Cluster With CRI-O
It is an open-source, community-driven project which supports OCI-based container registries. It is being maintained by contributors working in Red Hat, Intel, etc. It also comes with a monitoring program known as conmon. Conmon is an OCI container runtime monitor, which makes the communication between CRI-O and runc for a single container.
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Which alternative for slirp4netns in rootless containers is better?
When considering using socket activation it's good to know that socket-activation has the advantage that you can create on-demand services. And in the future you might be able to do container image upgrades without loosing an active TCP connection https://github.com/containers/conmon/issues/393 (Right now it's just a feature request that I wrote).
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Docker is dead?!? Podman - an alternative tool?
This was a wrong assumption. Podman directly uses runC or crun instead of containerd using a technology named conmon. Some more useful information can be found in this article.
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Podman: A Daemonless Container Engine
Well, "daemonless" is kind of marketing - there is still this daemon-per-container 'conmon' thing https://github.com/containers/conmon and I don't get why it is needed because 1) who actually needs to re-attach anyway? 2) container's streams are already properly handled by whatever supervisor (e.g. systemd). You can't disable conmon and I'm not sure if its usage is not hardcoded throughout the codebase.
I would very much like to use Podman as a finally proper container launcher in production (non-FAANG scale - at which you maybe start to need k8s), but having an unnecessary daemon moving part in thousands lines of C makes me frown so far.
pq
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Ask HN: What apps have you created for your own use?
I wrote pq [1] (protobuf parser cli) at a company where I was told to "just use the tool another engineer wrote" which was in C++, in a really uncompileable/abandoned/unusable state
I wrote goat [2] (EBS disk attacher) at the same company on a solo project where I needed to create a "Kafka-cluster-IaC" recipe in Terraform and wanted us to be able to replace EC2 broker instances dynamically but preserve their data on the EBS volume
[1] https://github.com/sevagh/pq
[2] https://github.com/sevagh/goat
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Aleka: a schema agnostic protobuf decoder
Reminds me of a tool an ex-coworker of mine wrote about 5 years ago. Check it out for inspiration maybe: https://github.com/sevagh/pq
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Podman: A Daemonless Container Engine
I have a Makefile for a Rust project which binds the local repository to a Docker volume, builds it in the container using muslrust, and then does a chown to change the target directory back from root ownership to my own user.
All I had to do was 's/docker/podman/g' and remove the chown hack and it works fine: https://github.com/sevagh/pq/commit/6acf6d05a094ac2959567a9a...
It understands Dockerfiles and can pull images from Dockerhub.
What are some alternatives?
podman - Podman: A tool for managing OCI containers and pods.
docker - Docker - the open-source application container engine
runc - CLI tool for spawning and running containers according to the OCI specification
oatmeal - Terminal UI to chat with large language models (LLM) using different model backends, and integrations with your favourite editors!
crun - A fast and lightweight fully featured OCI runtime and C library for running containers
hello-http - A cross-platform HTTP client desktop application for testing HTTP and REST APIs, WebSocket, GraphQL (including subscriptions) and gRPC endpoints.
distribution-spec - OCI Distribution Specification
vue-skuilder
go - The Go programming language
webpub - Give me a website, I'll make you an epub.