CentOs Import TLS Certificate

Install a root certificate on CentOS

1. Extract root certificate from the website

   sudo openssl s_client -connect $DOMAIN:$PORT < /dev/null 2>/dev/null | openssl x509 -outform PEM >/etc/ssl/mycert.pem

2. install ca-certificates and update the ca-trust

   sudo yum install -y ca-certificates sudo update-ca-trust force-enable

3. Create a synlink to the root certificate

   sudo ln -s /etc/ssl/mycert.pem /etc/pki/ca-trust/source/anchors/mycert.pem

4. Update the ca-trust store

   sudo update-ca-trust