gistfile1.sh

#first generate a key for your domain
openssl genrsa  -out yourdomain.com.key 2048

#then generate the request
openssl req -new -key yourdomain.com.key -out yourdomain.com.csr

gistfile2.sh

#if you want to remove the password from your certificate so its 
#not required on webserver restart(optional)
mv yourdomain.com.key yourdomain.com.passkey

sudo openssl rsa -in yourdomain.com.passkey -out yourdomain.com.key

#if on nginx prepare your certificate by combining the two files given to 
#you by godaddy
cat yourdomain.com.crt gd_bundle.crt > yourdomain.com_combined.crt

#your nginx config for your server on port 443 will contain

    ssl on;
    ssl_certificate         /ssl_location/yourdomain.com_combined.crt;
    ssl_certificate_key     /ssl_location/yourdomain.com.key;

gistfile3.sh

#if you are on apache your apache config should look like this
#unlike nginx apache allows you to specify a Certificate chain 
#file so you don't have to combine your certificates to make them 
#appear correctly in all browsers.

    SSLEngine On
    SSLCertificateFile /ssl_location/yourdomain.com.crt
    SSLCertificateKeyFile /ssl_location/yourdomain.com.key
    SSLCertificateChainFile /ssl_location/gd_bundle.crt

test