Nowadays, an SSL certificate which is usually used for HTTPS connections become pretty important. Even Google starts to give a ranking boost to secure HTTPS/SSL sites . There are several cheap certificates that you can buy like Comodo PositiveSSL. I usually buy cheap certificates from Namecheap.com which provides SSL certificates as low as $4/year. After you buy the certificate, you need to set up your server. Here are the steps to set up an SSL certificate on your server. 1. Purchase the certificate You can buy the certificate from Namecheap.com . After you buy it, you need to activate your certificate by providing your generated CSR file. 2. Generate private key and CSR file In a Linux server, you can run the following command on the terminal to generate a private key and CSR file. $ openssl req -new -newkey rsa:2048 -nodes -keyout mydomain.com.key -out mydoain.com.csr When you run the command, you will be asked for Country ID, domain name, registrant...