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Install LetsEncrypt on Linux Server

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LetsEncrypt is a Free SSL provider.

Install LetsEncrypt

To install LetsEncrypt, run

cd /usr/bin
chmod a+x /usr/bin/certbot-auto

Generate SSL certificate

To generate SSL for a web site, run

certbot-auto --apache -d YOUR-DOMAIN.EXT -d www.YOUR-DOMAIN.EXT

Auto Renew SSL with Cronjob

LetsEncrypt SSL certificate expire after 90 days of issuing. To renew it, run following cronjob.

crontab -e


30 2 * * 1 /usr/bin/certbot-auto renew >> /var/log/le-renew.log

List All SSL certificates on a server

To list all SSLs, run

certbot-auto certificates


root@server:~# certbot-auto certificates
Saving debug log to /var/log/letsencrypt/letsencrypt.log

Found the following certs:
  Certificate Name:
    Expiry Date: 2018-02-19 02:57:36+00:00 (VALID: 89 days)
    Certificate Path: /etc/letsencrypt/live/
    Private Key Path: /etc/letsencrypt/live/

Posted in Security

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