Let’s Encrypt certificates expire after 3 months, but we can instruct Webmin to automatically attempt to renew the Let’s Encrypt certificate every month. Using this screen, you’ll tell Webmin how to obtain and renew your certificate. You’ll see a screen like the following figure: Then, select SSL Encryption from the list of icons, and then select the Let’s Encrypt tab. Then press the Save button at the bottom of the page to apply the setting.Īfter you’ve set your hostname, click on Webmin on the left navigation bar, and then click on Webmin Configuration. Locate the Hostname field, and enter your Fully-Qualified Domain Name into the field. This will take you to the Hostname and DNS Client page. Look for the System hostname field and lick on the link to the right, as shown in the following figure: Before you can apply a valid certificate, you have to set the server’s hostname. Once you log in, the first screen you will see is the Webmin dashboard. Sign in with the username root and your current password for the root user. Allow the exception to continue so you can replace the self-signed certificate with one from Let’s Encrypt. This is because the server has generated a self-signed certificate. Note: When logging in for the first time, you will see an “Invalid SSL” error. Then add these lines to the file to define the new repository: We do this by adding a new file called /etc//webmin.repo that contains information about the new repository.Ĭreate and open this new file using your text editor: To configure this, follow the tutorial How To Set Up a Host Name with DigitalOcean.įirst, we need to add the Webmin repository so that we can easily install and update Webmin using our package manager. A Fully-Qualified Domain Name (FQDN), with a DNS A record pointing to the IP address of your server.We’ll use Apache to perform Let’s Encrypt’s domain verification. Apache installed by following How To Install Linux, Apache, MySQL, PHP (LAMP) stack on CentOS 7.You’ll need to use the root user and password to log in to Webmin the first time. A password set for the root user on your system.One CentOS 7 server set up by following the CentOS 7 initial server setup guide, including a sudo non-root user.To complete this tutorial, you will need: You’ll then use Webmin to add new user accounts, and update all packages on your server from the dashboard. In this tutorial, you’ll install and configure Webmin on your server and secure access to the interface with a valid certificate using Let’s Encrypt. With Webmin, you can change settings for common packages on the fly. It allows you to administer your server through an simple interface. Webmin is a modern, web control panel for any Linux machine.
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