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How to Install SSL Certificate in RedHat Linux Server

Steps to Install SSL Certificate in RedHat Linux Web Server

Initial Checklist

redhat logoBefore Installing SSL Certificate please ensure following processes have been completed

  • Buy/renew SSL Certificate
  • Generate CSR with SHA-2 algorithm
  • Save the CSR & Private key file on your server
  • Apply for SSL Certificate Issuance
  • Submit SSL Certificate issuance documents as per CA’s requirement (Only for Extended & Organization Validation)
  • First download and extract all certificate files, then install intermediate CA certificate and then Install Certificate file.
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Step 1: Download & Extract Certificate files

Once you complete the checkout & Certificate issuance process, you will receive your SSL certificate via email in a zip file. Extract this *.zip file on your server directory where you wish to keep all your certificate files.

Step 2: Installation of Intermediate CA certificate

  • Open the intermediate certificate file using any text editor; copy all the encrypted data into a new file and save the new file with crt name.

Note: you can give any name to intermediate certificate file, but the extension of this file must be .crt.

  • Copy this file in to /etc/httpd/conf/ssl.crt/intermediatecert.crt
  • Open your CNF file using any text editor via etc/httpd/conf/httpd.conf location.
  • Now using virtual host tag add following directive
SSLCACertificateFile /etc/httpd/conf/ssl.crt/intermediate.crt
  • Your Intermediate Certificate is now installed.
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Step 3: Install SSL Certificate File

  • Open you certificate file with text editor and save it with new name as server-cert.crt
  • Save your certificate file at following location /etc/httpd/conf/ssl.crt/server-cert.crt
  • Following the same way add your server.key file at /etc/httpd/conf/ssl.key/server.key

Now in your httpd.cnf file, using virtual host tag add following directives.

SSLCertificateFile /etc/httpd/conf/ssl.crt/server.crt
SSLCertificateKeyFile /etc/httpd/conf/ssl.key/server.key
SSLCACertificateFile /etc/httpd/conf/ssl.crt/intermediate.crt (Don’t add, if it is already added.)
  • Save your httpd.cnf file
  • Restart your RedHat web server.

Finally SSL certificate is now installed on RedHat Linux Server.

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