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36 lines
1.3 KiB
Text
36 lines
1.3 KiB
Text
buildah is a (daemon-free) container build utility
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The Buildah package provides a command line tool that can be used to
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* create a working container, either from scratch or using an image as a
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starting point
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* create an image, either from a working container or via the
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instructions in a Dockerfile
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* images can be built in either the OCI image format or the traditional
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upstream docker image format
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* mount a working container's root filesystem for manipulation
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* unmount a working container's root filesystem
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* use the updated contents of a container's root filesystem as a
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filesystem layer to create a new image
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* delete a working container or an image
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* rename a local container
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For examples, see:
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* https://github.com/containers/buildah or /usr/doc/buildah-*/README.md
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* man pages
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non-root usage:
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plenty of kernel recent kernel's support the user-namespace sub
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uid/gid mapping. Only recent versions of shadow-utils will append a
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new mapping for users when they are created. You may have to add a
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mapping for your user like so:
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```shell
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echo "$YOURUSER:100000:65536" > /etc/subuid
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echo "$YOURGROUP:100000:65536" > /etc/subgid
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```
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if you have more than one non-root user to add a mapping for,
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then their start number (like `100000` above) would begin after
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100000+65536.
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