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Info

To Know about letsEncrypt and its working please refer to this blog.

Generating certificates can be achieved in two ways

  • Manual
  • Automated

Manual 

Please follow the steps mentioned below to generate the certificates manually

Install acme.sh

Code Block
languagebash
curl https://get.acme.sh | sh

DNS manual mode

Code Block
languagebash
acme.sh --issue --dns -d aa.com -d www.aa.com
Note

Please make sure that you get an output like the one below:

Code Block
languagebash
Add the following txt record:
Domain:_acme-challenge.aa.com
Txt value:9ihDbjYfTExAYeDs4DBUeuTo18KBzwvTEjUnSwd32-c

Add the following txt record:
Domain:_acme-challenge.www.aa.com
Txt value:9ihDbjxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Please add those txt records to the domains. Waiting for the dns to take effect.

Rerun acme.sh with renew argument:

Code Block
languagebash
acme.sh --renew -d aa.com


Automated

Lego can be used to automate the process of generating certificates. Currently it comes with multiple optional DNS providers.

1.Download the latest version

from releases ->

from releases 

Info
titleDownload link

Download from https://github.com/xenolf/lego/releases


2.Install golang -> https://golang.org/doc/install

Info

Install golang from https://golang.org/doc/install


3.Obtain a certificate using the DNS challenge and AWS Route 53

Code Block
languagebash
AWS_REGION=us-east-1 AWS_ACCESS_KEY_ID=my_id AWS_SECRET_ACCESS_KEY=my_key lego --email="foo@bar.com" --domains="example.com" --dns="route53" run





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Free SSL/TLS Certificates using LetsEncrypt