How to Renew The Let’s Encrypt Certificate on Bitnami AWS

by Muhammad in AWS Hosting, Cloud Migrations, Data Security, WordPress on July 4, 2022
Renew existing certificate which is due to expire - AWS Lightsail

Lets encrypt SSL certificates are generally expired after 90 days of creation so need to be renewed regularly. If the expire date is near then you should renew manually first before adding an auto-renew cronjob (automate).

So here are the commands required to renew the current certificate in use, you should replace DOMAIN and EMAIL-ADDRESS with the relevant domain and email address of the previous certificate.

				
					sudo /opt/bitnami/ctlscript.sh stop
				
			
				
					sudo /opt/bitnami/letsencrypt/lego --tls --email="EMAIL-ADDRESS" --domains="DOMAIN" --path="/opt/bitnami/letsencrypt" renew --days 90
				
			
				
					sudo /opt/bitnami/ctlscript.sh start
				
			
Setup cron to automatically renew in future

You can also set it to autorenew using cronjob for that we need to create a script to run these command automatically by using following commands.

				
					sudo mkdir -p /opt/bitnami/letsencrypt/scripts
				
			
				
					sudo nano /opt/bitnami/letsencrypt/scripts/renew-certificate.sh
				
			

After creating the script file we have to write the script inside the file. Following is the content of that script file.

				
					#!/bin/bash

sudo /opt/bitnami/ctlscript.sh stop apache
sudo /opt/bitnami/letsencrypt/lego --tls --email="EMAIL-ADDRESS" --domains="DOMAIN" --path="/opt/bitnami/letsencrypt" renew --days 90
sudo /opt/bitnami/ctlscript.sh start apache
				
			

Now we need to make this script executable.

				
					sudo chmod +x /opt/bitnami/letsencrypt/scripts/renew-certificate.sh
				
			

We have to make this file run by crontab so we need to edit crontab first.

				
					sudo crontab -e
				
			

After opening crontab you have to add following content. This will make execute the script with this crontab.

				
					0 0 1 * * /opt/bitnami/letsencrypt/scripts/renew-certificate.sh 2> /dev/null
				
			
vicky at 7:21 am

we set every minutes cron job, but nothing update anything.
1 1 * * * /opt/bitnami/letsencrypt/scripts/renew-certificate.sh 2> /dev/null

Muhammad at 9:52 am

Hi vicky , this is right syntax for running cron every minute
* * * * * /opt/bitnami/letsencrypt/scripts/renew-certificate.sh 2> /dev/null

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