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#Generate CSR

openssl req -nodes -newkey rsa:2048 -keyout server.key -out server.csr



$ openssl req -nodes -newkey rsa:2048 -keyout server.key -out server.csr
Generating a 2048 bit RSA private key
writing new private key to 'server.key'
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
Country Name (2 letter code) [AU]:
State or Province Name (full name) [Some-State]:VIC
Locality Name (eg, city) []:Melbourne
Organization Name (eg, company) [Internet Widgits Pty Ltd]
Organizational Unit Name (eg, section) []:
Common Name (e.g. server FQDN or YOUR name) []
Email Address []:

Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []:

#Create Bundle from Issued Certificate

cat server.crt COMODORSADomainValidationSecureServerCA.crt COMODORSAAddTrustCA.crt AddTrustExternalCARoot.crt > server-ssl-bundle.crt
# or
cat server.crt > server-bundle.crt
Last modified: 04 Oct 2015