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Short Description
Minio is an object storage server compatible with Amazon S3 and licensed under Apache 2.0
Full Description


Minio is an object storage server compatible with Amazon S3 and licensed under Apache license 2.0.


Minio is an open source object storage server released under Apache License V2. It is compatible with Amazon S3 cloud storage service. Minio follows a minimalist design philosophy.
Minio is light enough to be bundled with the application stack. It sits on the side of NodeJS, Redis, MySQL and the likes. Unlike databases, Minio stores objects such as photos, videos, log files, backups, container / VM images and so on. Minio is best suited for storing blobs of information ranging from KBs to 5 TBs each. In a simplistic sense, it is like a FTP server with a simple get / put API over HTTP.

Minio currently implements two backends

  • Filesystem (FS) - is available and ready for general purpose use. This version of the Minio binary is built using Filesystem storage backend for magnetic and solid state disks.
  • ErasureCoded (XL) - is work in progress and not ready for general purpose use.

Minio Client

Minio Client (mc) provides a modern alternative to Unix commands like ls, cat, cp, sync, and diff. It supports POSIX compatible filesystems and Amazon S3 compatible cloud storage systems. It is entirely written in Golang.

Amazon S3 Compatible Client Libraries



Download minio for:

$ chmod +x minio
$ ./minio --help


Download minio from

$ chmod 755 minio
$ ./minio --help

Microsoft Windows

Download minio for:

C:\Users\Username\Downloads> minio.exe --help


Download minio from

$ chmod 755 minio
$ ./minio --help

Read more here on How to configure Minio on FreeBSD with ZFS backend.

Docker container

Download minio for docker.

$ docker pull minio/minio

Read more here on How to configure data volume containers for Minio?


NOTE: Source installation is intended for only developers and advanced users. For general use, please download official releases from

If you do not have a working Golang environment, please follow Install Golang.

$ go get -d
$ cd $GOPATH/src/
$ make

How to use Minio?

Start minio server.

$ minio server ~/Photos

AccessKey: WLGDGYAQYIGI833EV05A  SecretKey: BYvgJM101sHngl2uzjXS/OBF/aMxAN06JrJ3qJlF  Region: us-east-1

Minio Object Storage:

Minio Browser:

To configure Minio Client:
    $ wget
    $ chmod 755 mc
    $ ./mc config host add myminio http://localhost:9000 WLGDGYAQYIGI833EV05A BYvgJM101sHngl2uzjXS/OBF/aMxAN06JrJ3qJlF

How to use AWS CLI with Minio?

This section assumes that you have already installed aws-cli, if not please visit

To configure aws-cli, type aws configure and follow below steps.

$ aws configure
AWS Secret Access Key [None]: YOUR_SECRET_KEY_HERE
Default region name [None]: us-east-1
Default output format [None]: ENTER

Additionally enable aws-cli to use AWS Signature Version '4' for Minio server.

$ aws configure set default.s3.signature_version s3v4

To list your buckets.

$ aws --endpoint-url http://localhost:9000 s3 ls
2016-03-27 02:06:30 deebucket
2016-03-28 21:53:49 guestbucket
2016-03-29 13:34:34 mbtest
2016-03-26 22:01:36 mybucket
2016-03-26 15:37:02 testbucket

To list contents inside bucket.

$ aws --endpoint-url http://localhost:9000 s3 ls s3://mybucket
2016-03-30 00:26:53      69297 argparse-1.2.1.tar.gz
2016-03-30 00:35:37      67250 simplejson-3.3.0.tar.gz

To make a bucket.

$ aws --endpoint-url http://localhost:9000 s3 mb s3://mybucket
make_bucket: s3://mybucket/

To add an object to a bucket.

$ aws --endpoint-url http://localhost:9000 s3 cp simplejson-3.3.0.tar.gz s3://mybucket
upload: ./simplejson-3.3.0.tar.gz to s3://mybucket/simplejson-3.3.0.tar.gz

Delete an object from a bucket.

$ aws --endpoint-url http://localhost:9000 s3 rm s3://mybucket/argparse-1.2.1.tar.gzdelete: s3://mybucket/argparse-1.2.1.tar.gz

Remove a bucket.

$ aws --endpoint-url http://localhost:9000 s3 rb s3://mybucket
remove_bucket: s3://mybucket/

How to use AWS SDK with Minio?

Please follow the documentation here - Using aws-sdk-go with Minio server

How to use s3cmd with Minio?

This section assumes that you have already installed s3cmd, if not please visit

Edit the following fields in your s3cmd configuration file ~/.s3cfg .

host_base = localhost:9000
host_bucket = localhost:9000
signature_v2 = False
bucket_location = us-east-1

To make a bucket.

$ s3cmd mb s3://mybucket
Bucket 's3://mybucket/' created

To copy an object to bucket.

$ s3cmd put newfile s3://testbucket
upload: 'newfile' -> 's3://testbucket/newfile'  

To copy an object to local system.

$ s3cmd get s3://testbucket/newfile
download: 's3://testbucket/newfile' -> './newfile'

To sync local file/directory to a bucket.

$ s3cmd sync newdemo s3://testbucket
upload: 'newdemo/newdemofile.txt' -> 's3://testbucket/newdemo/newdemofile.txt'

To sync bucket or object with local filesystem.

$ s3cmd sync  s3://otherbucket otherlocalbucket
download: 's3://otherbucket/cat.jpg' -> 'otherlocalbucket/cat.jpg'

To list buckets.

$ s3cmd ls s3://
2015-12-09 16:12  s3://testbbucket

To list contents inside bucket.

$ s3cmd ls s3://testbucket/
                       DIR   s3://testbucket/test/
2015-12-09 16:05    138504   s3://testbucket/newfile

Delete an object from bucket.

$ s3cmd del s3://testbucket/newfile
delete: 's3://testbucket/newfile'

Delete a bucket.

$ s3cmd rb s3://testbucket
Bucket 's3://testbucket/' removed

Contribute to Minio Project

Please follow Minio Contributor's Guide


If you think in Lisp or Haskell and hack in go, you would blend right in. Send your github link to

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