BlogHow to Install SSL on Apache on SubdomainFor one of my sites I needed to install a SSL certificate. Here is the procedure you have to follow to have the certificate installed without issues. First generate a Certificate Sign Request (CSR) on the server, where the SSL will be installed. Go to the folder, where you would like the key to reside, and issue the following command openssl req -new -newkey rsa:2048 -nodes -keyout sub.lesichkov.co.uk.key -out sub.lesichkov.co.uk.csr Once you have the CSR file (.csr) ready send it to your SSL provider to issue the certificate. The issuer will request to verify you are the owner of the domain, either by uploading a file to your root directory (make sure it accessible, as the issuer should be able to view), or by sending you a verification email belongng to the domain. With the SSL ready, copy the SSL certificate to you /etc/ssl directory. I separate my webstes each in a separate Apache config files to keep these clean and tidy. So open your website config file and add the SSL configuration. When you finish your config file should look like this: ServerName sub.domain.com ServerAdmin info@domain.com DocumentRoot /www/sub.domain.com/public ErrorLog /www/sub.domain.com/error.com.log CustomLog /www/sub.domain.com/access.com.log combined Options Indexes FollowSymLinks MultiViews AllowOverride All Require all granted ServerName sub.domain.com:443 ServerAdmin info@domain.com DocumentRoot /www/sub.domain.com/public ErrorLog /www/sub.domain.com/error-ssl.com.log CustomLog /www/sub.domain.com/access-ssl.com.log combined SSLEngine on SSLCertificateFile /etc/ssl/sub_domain_com.crt SSLCertificateKeyFile /etc/ssl/sub.domain.com.key Options Indexes FollowSymLinks MultiViews AllowOverride All Require all granted
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