[root@localhost home]# certbot --nginx
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator nginx, Installer nginx
Enter email address (used for urgent renewal and security notices) (Enter ‘c‘ to
cancel): frank@pazzn.com
Starting new HTTPS connection (1): acme-v02.api.letsencrypt.org

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Please read the Terms of Service at
https://letsencrypt.org/documents/LE-SA-v1.2-November-15-2017.pdf. You must
agree in order to register with the ACME server at
https://acme-v02.api.letsencrypt.org/directory
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(A)gree/(C)ancel: A

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Would you be willing to share your email address with the Electronic Frontier
Foundation, a founding partner of the Let‘s Encrypt project and the non-profit
organization that develops Certbot? We‘d like to send you email about our work
encrypting the web, EFF news, campaigns, and ways to support digital freedom.
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(Y)es/(N)o: Y
Starting new HTTPS connection (1): supporters.eff.org
Which names would you like to activate HTTPS for?
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1: www.pazz.com
2: pazzn.com
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Select the appropriate numbers separated by commas and/or spaces, or leave input
blank to select all options shown (Enter ‘c‘ to cancel): 2
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for pazzn.com
Waiting for verification...
Cleaning up challenges
Deploying Certificate to VirtualHost /etc/nginx/conf.d/default.conf

Please choose whether or not to redirect HTTP traffic to HTTPS, removing HTTP access.
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1: No redirect - Make no further changes to the webserver configuration.
2: Redirect - Make all requests redirect to secure HTTPS access. Choose this for
new sites, or if you‘re confident your site works on HTTPS. You can undo this
change by editing your web server‘s configuration.
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Select the appropriate number [1-2] then [enter] (press ‘c‘ to cancel): 2
Redirecting all traffic on port 80 to ssl in /etc/nginx/conf.d/default.conf

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Congratulations! You have successfully enabled https://pazzn.com

You should test your configuration at:
https://www.ssllabs.com/ssltest/analyze.html?d=pazzn.com
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IMPORTANT NOTES:
 - Congratulations! Your certificate and chain have been saved at:
   /etc/letsencrypt/live/pazzn.com/fullchain.pem
   Your key file has been saved at:
   /etc/letsencrypt/live/pazzn.com/privkey.pem
   Your cert will expire on 2019-09-15. To obtain a new or tweaked
   version of this certificate in the future, simply run certbot again
   with the "certonly" option. To non-interactively renew *all* of
   your certificates, run "certbot renew"
 - If you like Certbot, please consider supporting our work by:

   Donating to ISRG / Let‘s Encrypt:   https://letsencrypt.org/donate
   Donating to EFF:                    https://eff.org/donate-le

certbot --nginx certonly

[root@localhost home]# firewall-cmd --zone=public --add-port=443/tcp --permanent
success
[root@localhost home]# firewall-cmd --reload
success

server {
    #server_name  localhost;
    server_name  pazzn.com www.pazz.com;

    #charset koi8-r;
    #access_log  /var/log/nginx/host.access.log  main;

    location / {
        #root   /usr/share/nginx/html;
        root   /home/www/pazzn;
    index  index.html index.htm index.php;
    }

    #error_page  404              /404.html;

    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }

    # proxy the PHP scripts to Apache listening on 127.0.0.1:80
    #
    #location ~ \.php$ {
    #    proxy_pass   http://127.0.0.1;
    #}

    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
    #
    location ~ \.php$ {
       #root   /usr/share/nginx/html;
       root   /home/www/pazzn;
        try_files $uri =404;
        fastcgi_pass   127.0.0.1:9000;
        fastcgi_index  index.php;
           fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include        fastcgi_params;
 }

    # deny access to .htaccess files, if Apache‘s document root
    # concurs with nginx‘s one
    #
    #location ~ /\.ht {
    #    deny  all;
    #}

    listen 443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/pazzn.com/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/pazzn.com/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot

}
server {
    if ($host = pazzn.com) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


    listen       80;
    server_name  pazzn.com www.pazz.com;
    return 404; # managed by Certbot


}

certbot renew --dry-run

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

[root@localhost home]# crontab -e
no crontab for root - using an empty one
crontab: installing new crontab
[root@localhost home]# crontab -l
0 0,12 * * * python -c ‘import random; import time; time.sleep(random.random() * 3600)‘ && certbot renew
[root@localhost home]#