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July 04, 2018
This post is applicable for those who has already an SSL certificate from Lets Encrypt. And, wants to renew them.
For previous posts about Lets Encrypt. See:
There may be a chance that you are running multiple websites from a server. You must be having an utility installed called: certbot. To get expiry date of each websites on your server, run:
sudo certbot certificates
It will list down all the certificates list and their expiry date. Sample output:
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Found the following certs:
Certificate Name: abcdef.com
Domains: abcdef.com www.abcdef.com
Expiry Date: 2018-07-22 01:30:26+00:00 (INVALID: EXPIRED)
Certificate Path: /etc/letsencrypt/live/abcdef.com/fullchain.pem
Private Key Path: /etc/letsencrypt/live/abcdef.com/privkey.pem
Certificate Name: abcdefgh.com
Domains: abcdefgh.com www.abcdefgh.com
Expiry Date: 2019-03-07 08:02:01+00:00 (VALID: 89 days)
Certificate Path: /etc/letsencrypt/live/abcdefgh.com/fullchain.pem
Private Key Path: /etc/letsencrypt/live/abcdefgh.com/privkey.pem
Certificate Name: abcdefghij.com
Domains: abcdefghij.com www.abcdefghij.com
Expiry Date: 2019-03-07 08:03:10+00:00 (VALID: 89 days)
Certificate Path: /etc/letsencrypt/live/abcdefghij.com/fullchain.pem
Private Key Path: /etc/letsencrypt/live/abcdefghij.com/privkey.pem
Certificate Name: abcdefghijkl.com
Domains: abcdefghijkl.com www.abcdefghijkl.com
Expiry Date: 2019-01-06 01:30:19+00:00 (VALID: 29 days)
Certificate Path: /etc/letsencrypt/live/abcdefghijkl.com/fullchain.pem
Private Key Path: /etc/letsencrypt/live/abcdefghijkl.com/privkey.pem
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Run command:
sudo certbot certonly -d <your-website>.com -d www.<your-website>.com
Note: I’m asking for both www and non-www version of certificate.
it will then ask for ways to authenticate:
How would you like to authenticate with the ACME CA?
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1: Spin up a temporary webserver (standalone)
2: Place files in webroot directory (webroot)
Simply type 2 and press Enter. It will then ask for webroot, where your index.html or index.php resides. After typing, it will confirm, and start processing your request.
If everything goes fine, following is the output:
Waiting for verification...
Cleaning up challenges
IMPORTANT NOTES:
- Congratulations! Your certificate and chain have been saved at:
/etc/letsencrypt/live/xyz.com/fullchain.pem
Your key file has been saved at:
/etc/letsencrypt/live/xyz.com/privkey.pem
Your cert will expire on 2019-03-07. To obtain a new or tweaked
version of this certificate in the future, simply run certbot
again. To non-interactively renew *all* of your certificates, run
"certbot renew"
- If you like Certbot, please consider supporting our work by:
Donating to ISRG / Let's Encrypt: https://letsencrypt.org/donate
Donating to EFF: https://eff.org/donate-le
And, now if you run:
sudo certbot certificates
You can see the updated expiry date.
If by any chance, your request failed. You should change your command to:
sudo certbot certonly -d <your-website>.com -d www.<your-website>.com --dry-run
In case, you keeps on retrying. Lets encrypt has a quota of requests that it takes from a client. It will block you for the day or more. And, you will only request after that time limit. What this option does is it will test your configuration, and if everything goes fine, it will just display message: Success. It will not replace your new certificates.
But, this surely helps identifying errors. You should also look at the log file it generates. In the output message on console, it display the logfile path.
Hope you find this post useful.
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