these are the simple steps for install ssl certificate in a linux computer using the shell commmands:

1.copy your ssl certificate and make a backup
2. edit your apache configuration, you can find it in /etc/httpd/conf/httpd.conf

3. find the following files and edit them manually:

  • SSLCertificateFile /path/to/your/certificate/file

  • SSLCertificateKeyFile /path/to/your/key/file

  • SSLCertificateChainFile /path/to/intermediate/bundle/file

4. Save your configuration file and restart Apache.

restart apacher server

thats it