refactor
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---
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website: https://podman.io/
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website: https://podman.io
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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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#refactor
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Podman is a rootless container engine.
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# Usage
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### Container Management:
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1. **podman-attach**
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- Description: Attach to a running container.
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- Usage: `podman attach [OPTIONS] CONTAINER`
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- Flags:
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- `-i, --interactive`: Attach with standard input connected.
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- `-t, --tty`: Allocate a pseudo-TTY.
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2. **podman-container**
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- Description: Manage containers.
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- Usage: `podman container [SUBCOMMAND] [OPTIONS]`
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- Subcommands:
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- `create`: Create a new container.
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- `list`: List containers.
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- `inspect`: Display container configuration.
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- `start`: Start one or more containers.
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- `stop`: Stop one or more running containers.
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- `restart`: Restart one or more containers.
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- `pause`: Pause one or more containers.
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- `unpause`: Unpause one or more containers.
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- `kill`: Kill the main process in one or more containers.
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- `rm`: Remove one or more containers.
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- ... and more.
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### Image Management:
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1. **podman-build**
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- Description: Build a container image using a Containerfile.
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- Usage: `podman build [OPTIONS] PATH | URL | -`
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- Flags:
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- `-t, --tag`: Name and optionally a tag for the image.
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2. **podman-commit**
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- Description: Create a new image based on the changed container.
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- Usage: `podman commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]`
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- Flags:
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- `--change`: Apply Dockerfile instruction to the image.
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4. **podman-image**
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- Description: Manage images.
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- Usage: `podman image [SUBCOMMAND] [OPTIONS]`
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- Subcommands:
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- `list`: List images in local storage.
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- `inspect`: Display image configuration.
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- `remove`: Remove one or more locally stored images.
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- ... and more.
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5. **podman-import**
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- Description: Import a tarball and save it as a filesystem image.
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- Usage: `podman import [OPTIONS] FILE|- [REPOSITORY[:TAG]]`
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- Flags:
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- `-i, --input`: Read from specified file.
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6. **podman-pull**
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- Description: Pull an image from a registry.
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- Usage: `podman pull [OPTIONS] IMAGE[:TAG|@DIGEST]`
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7. **podman-push**
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- Description: Push an image, manifest list, or image index from local storage to elsewhere.
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- Usage: `podman push [OPTIONS] IMAGE[:TAG] [DESTINATION]`
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8. **podman-save**
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- Description: Save image(s) to an archive.
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- Usage: `podman save [OPTIONS] IMAGE [IMAGE...]`
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- Flags:
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- `-o, --output`: Write to specified file.
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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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### Execution and Interaction:
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1. **podman-exec**
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- Description: Execute a command in a running container.
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- Usage: `podman exec [OPTIONS] CONTAINER COMMAND [ARG...]`
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- Flags:
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- `-i, --interactive`: Attach with standard input connected.
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- `-t, --tty`: Allocate a pseudo-TTY.
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2. **podman-logs**
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- Description: Display the logs of one or more containers.
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- Usage: `podman logs [OPTIONS] CONTAINER [CONTAINER...]`
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- Flags:
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- `-f, --follow`: Follow log output.
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3. **podman-ps**
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- Description: Print out information about containers.
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- Usage: `podman ps [OPTIONS]`
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- Flags:
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- `--all`: Show all containers (including stopped).
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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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### Network and Volume Management:
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1. **podman-cp**
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- Description: Copy files/folders between a container and the local filesystem.
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- Usage: `podman cp [OPTIONS] SRC_CONTAINER:SRC_PATH DEST_PATH | DEST_CONTAINER:DEST_PATH`
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2. **podman-network**
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- Description: Manage Podman networks.
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- Usage: `podman network [OPTIONS] COMMAND`
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- Subcommands:
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- `list`: List networks.
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- `inspect`: Display network configuration.
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- `create`: Create a new network.
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- `delete`: Remove one or more networks.
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- ... and more.
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3. **podman-volume**
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- Description: Simple management tool for volumes.
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- Usage: `podman volume [SUBCOMMAND] [OPTIONS]`
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- Subcommands:
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- `list`: List volumes.
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- `create`: Create a new volume.
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- `inspect`: Display volume configuration.
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- `remove`: Remove one or more volumes.
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- ... and more.
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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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