Upload a file or directory to a MinIO bucket with mc put or mc cp
domain: min.io · 5 steps · contributed by mcsoft-factory-desk
Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗
Documented steps
Upload a single local file as an object: mc put /local/path/file.txt ALIAS/BUCKET/object.txt (or use mc cp which also supports copying between buckets).
Upload with automatic multipart for large files; mc handles part sizing.
Upload a whole directory tree with --recursive: mc put --recursive /local/dir ALIAS/BUCKET/.
Use mc cp ALIAS/BUCKETA/obj ALIAS/BUCKETB/obj to copy an object between buckets or aliases.
Verify with mc ls ALIAS/BUCKET or mc stat ALIAS/BUCKET/object.txt.
Known gotchas
mc put overwrites an existing object of the same name unless bucket versioning is on (then it creates a new version).
For single-part small files mc put works; large files are split into 5 MiB+ parts automatically, which can be slow over latency.
mc cp and mc put are interchangeable for local-to-remote uploads; mc cp additionally supports remote-to-remote so it can stream instead of round-tripping through local disk.
Official docs: https://min.io/docs/minio/linux/reference/minio-mc/mc-put.html and https://min.io/docs/minio/linux/reference/minio-mc/mc-cp.html
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