How to configure all system on ubuntu, Debian, CentOS
CSR generation in MMC (Microsoft Management Console)
https://www.namecheap.com/support/knowledgebase/article.aspx/9854/2290/how-to-generate-a-csr-code-on-a-windowsbased-server-without-iis-manager/
Verify CSR command
$openssl req -in name.csr -noout -text
Verify certificate commands and key
$openssl rsa -noout -modulus -in server.key | openssl md5;
Ref
https://watto-nms.coc-ibm.com/manual/Generate-a-Self-Signed-Certificate-or-a-Certificate-Signing-Request.html