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73 lines
3.0 KiB
Markdown
73 lines
3.0 KiB
Markdown
# Generate Let's Encrypt certificate using Certbot for MinIO [](https://slack.min.io)
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[Let’s Encrypt](https://letsencrypt.org/) is a new free, automated, and open source, Certificate Authority.
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[Certbot](https://certbot.eff.org/) is a console based certificate generation tool for Let's Encrypt.
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In this recipe, we will generate a Let's Encypt certificate using Certbot. This certificate will then be deployed for use in the MinIO server.
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## 1. Prerequisites
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- Install MinIO Server from [here](https://min.io/docs/minio/linux/index.html#procedure).
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- Install Certbot from [here](https://certbot.eff.org/)
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## 2. Dependencies
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- Port 443 for https needs to be open and available at time of executing `certbot`.
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- Certbot needs root access while executing because only root is allowed to bind to any port below 1024.
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- We will be using our own domain ``myminio.com`` as an example in this recipe. Replace with your own domain under your setup.
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## 3. Recipe Steps
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### Step 1: Install Certbot
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Install Certbot by following the documentation at https://certbot.eff.org/
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### Step 2: Generate Let's Encrypt cert
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```sh
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# certbot certonly --standalone -d myminio.com --staple-ocsp -m test@yourdomain.io --agree-tos
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```
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### Step 3: Verify Certificates
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List your certs saved in `/etc/letsencrypt/live/myminio.com` directory.
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```sh
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$ ls -l /etc/letsencrypt/live/myminio.com
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total 4
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lrwxrwxrwx 1 root root 37 Aug 2 09:58 cert.pem -> ../../archive/myminio.com/cert4.pem
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lrwxrwxrwx 1 root root 38 Aug 2 09:58 chain.pem -> ../../archive/myminio.com/chain4.pem
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lrwxrwxrwx 1 root root 42 Aug 2 09:58 fullchain.pem -> ../../archive/myminio.com/fullchain4.pem
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lrwxrwxrwx 1 root root 40 Aug 2 09:58 privkey.pem -> ../../archive/myminio.com/privkey4.pem
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-rw-r--r-- 1 root root 543 May 10 22:07 README
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```
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### Step 4: Set up SSL on MinIO Server with the certificates.
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The certificate and key generated via Certbot needs to be placed inside user's home directory.
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```sh
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$ cp /etc/letsencrypt/live/myminio.com/fullchain.pem /home/user/.minio/certs/public.crt
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$ cp /etc/letsencrypt/live/myminio.com/privkey.pem /home/user/.minio/certs/private.key
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```
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### Step 5: Change ownership of certificates.
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```sh
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$ sudo chown user:user /home/user/.minio/certs/private.key
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$ sudo chown user:user /home/user/.minio/certs/public.crt
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```
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### Step 6: Start MinIO Server using HTTPS.
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If you are not going to run MinIO with `root` privileges, you will need to give MinIO the capability of listening on ports less than 1024 using the following command:
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```sh
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sudo setcap 'cap_net_bind_service=+ep' ./minio
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```
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Now, you can start MinIO Server on port "443".
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```sh
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$ ./minio server --address ":443" /mnt/data
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```
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If you are using dockerized version of MinIO then you would need to
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```sh
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$ sudo docker run -p 443:443 -v /home/user/.minio:/root/.minio/ -v /home/user/data:/data minio/minio server --address ":443" /data
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```
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### Step 7: Visit <https://myminio.com> in the browser.
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