How to install SSL certificate | Abdul Haq

How to install SSL certificate

Step 1: Generate Key.

Run the following command in putty command prompt:

openssl genrsa 2048 > keyfilename.key

Step 2: Generate CSR file with following command.

openssl req –new –key keufilename.key > csrfilename.csr

After that command is entered, system will ask few questions:
Country: PK

State/Province: Punjab

City: Lahore

Organization name: Opendp

Organization unit: IT

Common name:


Challenge password: [leave blank]

Optional company name: [leave blank]

Step 3: Buy a SSL certificate.

Step 4: Enter generated CSR file contents from where you bought SSL certificate.


Watch this video for above steps practical implementation:

Step 5: Confirm your domain ownership.

This can be done by 3 ways. By adding file to you domain, through your registrant email and by adding a DNS record.

Step 6: Get your certificate.

After confirming your ownership, you will be sent an email to your registered email address containing you certificate files. There will 3 files, one with your_domain.crt name, that is your certificate. Another file name your_domain.p7b, this was not used by me. And last with name, this file was used.

Step 7: Upload certificate files to server.

Upload your_domain.crt, and keyfilename.key (this file was generated in step 1) to your server. Recommended to upload them in /etc/apache2/ssl folder. (it’s only a recommendation, can be uploaded anywhere).

Step 8: Configure default-ssl.conf file.

Next you need to configure you default-ssl.conf file which is located in /etc/apache2/sites-available. Below contents need to be uploaded in the file:

DocumentRoot /var/www/html2
SSLEngine on
SSLCertificateFile /path/to/
SSLCertificateKeyFile /path/to/
SSLCertificateChainFile /path/to/

This article will help you with above steps:

Step 9: Restart server.

Finally, you should restart your server with following command:

sudo service apache2 restart


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