How to renew SSL certificate let's encrypt in ubuntu 20.04?

Dung Do Tien Nov 11 2021 145

Hello Guys, 

I have a project with Asp.Net Core 3.1 and deploying it on Linux Ubuntu 20.4.

In this server, I install Nginx and use an SSL certificate free of let's encrypt free 3 months for HTTPS.

Today I access my domain get SSL not trust, You can see the image below:

How to renew SSL certificate let's encrypt in ubuntu 20.04?

How can I renew it?

Have 3 answer(s) found.
  • b

    bhavana b Nov 11 2021

    I usually use the command below:

    sudo certbot renew --dry-run

    After running command above, you can check the status of SSL by using the command:

    sudo systemctl status certbot.timer

    Below is the result:

    certbot.timer - Run certbot twice daily
   Loaded: loaded (/lib/systemd/system/certbot.timer; enabled; vendor preset: enabled)
   Active: active (waiting) since Tue 2021-02-09 21:38:50 UTC; 9 months 0 days ago
  Trigger: Thu 2021-11-11 09:24:49 UTC; 5h 20min left
  • N

    Nguyen Truong Giang Nov 11 2021

    I found a solution very easily. You can run the command below on your Linux server:

    letsencrypt --nginx renew

     And you can see the result as below:

    The following certs were successfully renewed:
  /etc/letsencrypt/live/example.com/fullchain.pem (success)
  /etc/letsencrypt/live/img.example.com/fullchain.pem (success)

The following certs could not be renewed:
  /etc/letsencrypt/live/example.com-0001/fullchain.pem (failure)
  /etc/letsencrypt/live/example.com/fullchain.pem (failure)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2 renew failure(s), 0 parse failure(s)

    Note: You have to wait after 10 mins and try to reload your domain on the browser and you can see SSL fixed.

  • J

    Jair Rojas Garcia Nov 11 2021

    For cerbot SSL, you can follow the syntax below:

    certbot --force-renewal -d domain-name-1-here,domain-name-2-here

    For example:

    certbot --force-renewal -d www.quizdeveloper.com,quizdeveloper.com

    I hope it helpful for you.

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