2023-12-04 10:02:23 +00:00
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---
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2023-12-17 06:50:25 +00:00
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website: https://podman.io
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2023-12-04 10:02:23 +00:00
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obj: application
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repo: https://github.com/containers/podman
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---
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# Podman
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Podman is a rootless container engine.
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2023-12-17 06:50:25 +00:00
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## Usage
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Podmans command line interface is almost identical to Dockers. For reference see [Docker](Docker.md).
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2023-12-04 10:02:23 +00:00
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2023-12-17 06:50:25 +00:00
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### `podman port`
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List port mappings for the _container_ or look up the public-facing port that is NAT-ed to the _private-port_.
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2023-12-04 10:02:23 +00:00
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2023-12-17 06:50:25 +00:00
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```shell
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# podman port b4d2f054
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80/udp -> 0.0.0.0:44327
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80/tcp -> 0.0.0.0:44327
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```
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### `podman diff`
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Inspect changes on a container or image’s filesystem.
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Usage: `podman diff [options] container|image [container|image]`
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```shell
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$ podman diff --format json myimage
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{
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"changed": [
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"/usr",
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"/usr/local",
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"/usr/local/bin"
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],
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"added": [
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"/usr/local/bin/docker-entrypoint.sh"
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]
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}
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$ podman diff container1 image1
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A /test
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```
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