Install and configure SSL certificate in Apache Webserver

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Step:1
Upload the certificate file into the server.

I have uploaded the file in /tmp directory


Step:2
Modify the apache configuration

vi /etc/apache2/sites-available/000-default.conf

<VirtualHost *:80>
            ServerName monit.example.com
            ServerAdmin webmaster@localhost
            DocumentRoot /opt/observium/html
            Redirect / https://monsupport.example.com
            <Directory />
              Options FollowSymLinks
              AllowOverride None
            </Directory>
            <Directory /opt/observium/html/>
              Options Indexes FollowSymLinks MultiViews
              AllowOverride All
              Require all granted
            </Directory>
             ErrorLog  ${APACHE_LOG_DIR}/error.log
             LogLevel warn
             CustomLog  ${APACHE_LOG_DIR}/access.log combined
             ServerSignature On
</VirtualHost>

<VirtualHost *:443>
ServerName monit.bol-online.com
DocumentRoot /opt/observium/html
SSLEngine on
SSLCertificateFile /tmp/STAR_example_com.crt
SSLCertificateKeyFile /tmp/STAR_example_com.key
SSLCertificateChainFile /tmp/STAR_example_com_ca.crt
            <Directory />
              Options FollowSymLinks
              AllowOverride None
            </Directory>
            <Directory /opt/observium/html/>
              Options Indexes FollowSymLinks MultiViews
              AllowOverride All
              Require all granted
            </Directory>
             ErrorLog  ${APACHE_LOG_DIR}/error.log
             LogLevel warn
             CustomLog  ${APACHE_LOG_DIR}/access.log combined
             ServerSignature On
</VirtualHost>


Step:3
Modify ssl configuration file under apache

vi /etc/apache2/sites-available/default-ssl.conf

<VirtualHost *:443>
DocumentRoot /var/www/html
SSLEngine on
SSLCertificateFile /tmp/STAR_example_com.crt
SSLCertificateKeyFile /tmp/STAR_example_com.key
SSLCertificateChainFile /tmp/STAR_example_com_ca.crt
</VirtualHost>


Step:4
Restart apache service



Remarks:
1. Please insert/modify green marked lines into the mentioned files if they exist/do not exist.
2. Here I have used a wildcard SSL certificate. 

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