How to Install SSL Certificate on Webmin

Steps to Install SSL Certificate on Webmin

Initial Instruction

The following process should be completed before the SSL installation process

Buy/renew SSL Certificate
Generate CSR with SHA-2 algorithm
Save the CSR & Private key file on your server directory
Apply for SSL Certificate Issuance
Submit SSL issuance Documents as per CA’s requirement (Only For EV & OV Certificates)

SSL Certificate will be issued by CA & sent via email. Check your email, download certificate files (Primary, Root & Intermediate), and save them on your server directory.

Step 1: Install SSL Certificate

In /etc/Webmin location of your Webmin server, you will find pem file.
Now run below code to create a new-mineswev.pem file which will replace the old mineserv.pem file.

cat private.keyyourdomain.crt > new-miniserv.pem

Or else follow the alternate method.

Open your certificate file and private key file (key which you got during CSR creation) with notepad. Create a new file and then copy the encrypted data of private key and paste it on the new file, Copy the encrypted data of primary certificate and paste it in to the new file append by private key data. Save the file name as new-miniserv.pem.

-----BEGIN RSA PRIVATE KEY-----
PRIVATE KEY ENCRYPTED DATA
-----END RSA PRIVATE KEY-----

-----BEGIN CERTIFICATE-----
CERTIFICATE ENCRYPTED DATA
-----END CERTIFICATE-----

Open your old pem file with notepad and enter following code to add the intermediate SSL Certificate.

extracas=/etc/webmin/intermediate_Certificate.crt

Restart your Webmin server.

Your SSL Certificate is now installed on your Webmin Server.

Resources and Other Installation Guides

Webmin Support Center