Mender blog

Showing posts tagged: root x

Quick fix for Let's Encrypt Root Certificate Expiry

Sudden certificate verification errors

Some of our hosted Mender customers started reporting they could no longer connect to the service on September 30th, 2021.

Running the Mender client, a solution to manage software on IoT devices, errors similar to the following is output on command line:

Error code 12: server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.cr... Read the article