#######################
Name Resolution in UNIX
#######################

:Author: Dimitry Dukhovny


.. contents::


Troubleshooting DNS
===================

Troubleshooting Installed Certificates
======================================

Given a collection of one or more PEM files with CA public certs...

.. code-block:: powershell
    :linenos:

    for f in *.pem; do sudo cp ${f} /etc/ca-certificates/update.d; done
    sudo update-ca-certificates
    awk -v cmd='openssl x509 -noout -subject' '
        /BEGIN/{close(cmd)};{print | cmd}' < /etc/ssl/certs/ca-certificates.crt