How to Enable SSL on Raspberry PI Owncloud

This tutorial has been verified to work with Debian 9 Stretch. Any Debian 9 derivatives should also works. Open Terminal or connect to Debian 9 via SSH and execute these commands below:

Fix: “You are accessing this site via HTTP. We strongly suggest you configure your server to require using HTTPS instead as described in our security tips.”

In this post we will learn, how to enable and configure SSL on ownCloud installation.

Step 1: Enable SSL, Open the terminal and run the following command:

sudo a2enmod ssl

Step 2: Create a new directory for the self signed certificate

sudo mkdir /etc/apache2/ssl

Step 3: Create the self signed certificate and the server key that protects it, and placing both of them into the new directory

sudo openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/apache2/ssl/owncloud.key -out /etc/apache2/ssl/owncloud.crt

Note: The above certificate is valid for 365 days. We have mentioned validity days in the command.

Step 4: Now we need to setup the certificate

sudo nano /etc/apache2/sites-available/default-ssl.conf

The lines that need changing are the following

ServerName LAN IP :443
SSLEngine on
SSLCertificateFile /etc/apache2/ssl/owncloud.crt
SSLCertificateKeyFile /etc/apache2/ssl/owncloud.key

enable-SSL-Raspberry-PI

Once the lines has been modified Exit and save.

Step 5: Activate the new virtual host

sudo a2ensite default-ssl

Step 6: Restart apache

sudo service apache2 restart

Step 7: If prompted the Apache2 could not reliably determine the server’s fully qualified domain name:

echo "ServerName localhost" | sudo tee /etc/apache2/conf-available/fqdn.conf

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