Deprecated function: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in views_handler_field->render_text() (line 1225 of /var/www/bobbitt.ca/drupal-actual/sites/all/modules/views/handlers/views_handler_field.inc).
Deprecated function: mb_strlen(): Passing null to parameter #1 ($string) of type string is deprecated in drupal_strlen() (line 482 of /var/www/bobbitt.ca/drupal-actual/includes/unicode.inc).
Deactivate all inactive users in the last year:
Yes, some distros still use rpm.
Extract files from an RPM:
Included below are some commands that I have found, created or tweaked to help make life easier along the way.
Get into the correct directory:
cd /etc/pki/tls/certs
Wireshark and tcpdump are extremely powerful network troubleshooting tools.