Create Enterprise CA for Apach

1. install openssl on Linux
    apt-gete update
    apt-get install openssl
2. openssl -genrsa -out aaa.com.key 2048
3. openssl req -new -sha256 -key aaa.com.key  out aaa.com.csr
    Country Name:
    State:
    Org:
    OU:
    Common Name:
    Email Address:
4. make sure there are 2 files under the folder - aaa.com.key & aaa.com.csr
5. cat aaa.com.csr the copy red square part












6. paste it to Enterprise CA web portal  (https://aaa/certsrv/en-us)
7. choice as web server certificate
8. download aaa.cer and aaa.p7b
9. upload both file to Linux
10. openssl x509 -inform der -in aaa.cer -out aaa.pem
11. modify config file under /etc/apache2/site-available

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