How to Install SSL Certbot of LetsEncrypt

 How to Install SSL Certbot of LetsEncrypt :

vi /usr/local/tomcat/conf/server.xml

-- Change tomcat port to : 1610

cd /usr/local/tomcat/bin

./shutdown.sh 

./startup.sh

firewall-cmd --zone=public --add-port=1610/tcp

firewall-cmd --zone=public --add-port=443/tcp

sudo systemctl start httpd

cd /etc/httpd/conf.d

vi 10-apex.conf

<VirtualHost *:80>

    ServerName example.com

    ServerAlias www.example.com

    Redirect Permanent / https://example.com

    ProxyRequests On

    <Proxy *>

            Order deny,allow

            Allow from all

    </Proxy>

    <Location />

            ProxyPreserveHost on

            RequestHeader unset Origin

            ProxyPass http://192.168.1.1:1610/

            ProxyPassReverse http://192.168.1.1:1610/

    </Location>

RewriteEngine on

RewriteCond %{SERVER_NAME} =example.com [OR]

RewriteCond %{SERVER_NAME} =www.example.com [OR]

RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,NE,R=permanent]

</VirtualHost>

sudo yum install epel-release

sudo yum install certbot python2-certbot-apache mod_ssl

sudo certbot --apache -d example.com

Check the Status :

https://www.ssllabs.com/ssltest/analyze.html?d=example.com

--- Add Auto Renewal at crontab :

sudo crontab -e

-- Add this line at crontab

0 0,12 * * * python -c 'import random; import time; time.sleep(random.random() * 3600)' && certbot renew

sudo certbot renew --dry-run

vi /etc/hosts

192.168.0.1 example.com
192.168.0.1 www.example.com