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Step 1. create ssl certificate $ letsencrypt Step 2. create .htaccess file on webroot and save below contents. RewriteEngine On RewriteCond %{HTTPS} off RewriteCond %{ENV:HTTPS} off RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301,NE] RewriteCond %{HTTP_HOST} ^www\.(.+)$ [NC] RewriteRule ^ https://%1%{REQUEST_URI} [L,R=301,NE] Step 3. set vhost.conf ServerName example.com ServerAlias ww..

To renew ssl automatically, We can use crontab. Step 1. enter crontab edit mode $ sudo crontab -e Step 2. certbot auto-renewal script ## certbot 30 4 * * 0 certbot renew >> /home/log/certbot/cert_$(date +\%Y\%m\%d).log above script will be executed 4:30 AM on every Sunday. and the execution log will be stored in the "/home/log/certbot/" folder.

Prerequisites - CentOS - Apache Web Server on CentOS Step 1 - Installing the Crertbot Let's Encrypt Client $ sudo yum install epel-release $ sudo yum install certbot python2-certbot-apache mod_ssl -y Step 2 - Obtaining a Certificate $ sudo letsencrypt Step 3 - set information and select domain for ssl 1) set email address Saving debug log to /var/log/letsencrypt/letsencrypt.log Plugins selected:..