devops
What's a webhook and how can I can debug it?
A high-level intro to webhooks and troubleshooting tool examples.
Mike Berggren
devops
What's the difference between "daemon mode" and "mail-submission mode" in sendmail?
A quick walk-through of modes
devops
How can I find out my public IP address via command line?
Nifty command for a quick lookup
devops
Why is Linux using so much RAM?
Because it can (and should)
cybersecurity
What are the data residency exceptions for azure?
Exceptions you say? Hmm...
cybersecurity
How to get a certificate thumbprint using openssl
A helpful one-liner for grabbing cert info quickly.
cybersecurity
What are "the seven properties of highly secured devices"?
Revisiting Microsoft's IOT hardening recommendations.
devops
What are the main parts of Kubernetes control plane architecture?
A quick recap of kubernetes control plane architecture.
cybersecurity
What's the difference between STIX and TAXII?
Clarifying some terminology here
certification
What study resources are available for the Microsoft SC-100 (Cybersecurity Architect) exam?
Some study resources that I found helpful in training for the Microsoft SC-100 exam.
devops
How to implement max file size limits and "log rotation" with tcpdump
A simple tutorial describing how to create "rollover" files for tcpdump packet captures.
devops
What happens to active SMTP sessions during a sendmail daemon restart?
A deep-dive into smtp transaction behavior during sendmail restarts