Here are the books I've authored or co-authored.
Amazon Web Services (AWS) AWS Certified Cloud Practitioner Study Guide: CLF-C01 Exam
Set yourself apart by becoming an AWS Certified Cloud Practitioner. Click the book to view on Amazon.
For errata, click here.
AWS Certified Solutions Architect Study Guide: Associate …
Here you'll find a list of my IT training courses.
Amazon Web Services (AWS) Architecting for Operational Excellence on AWS
Architecting for Reliability on AWS
Architecting for Security on AWS
AWS Networking Deep Dive: Elastic Load Balancing (ELB)
AWS Networking Deep Dive: Route 53 DNS
AWS Networking Deep Dive: Virtual …
January 31, 2020 update: No, you're not crazy. Cisco changed the exam number from 300-401 to 350-401.
For your convenience, I've put together the following list of my courses that cover the new CCNP ENCOR exam. By watching and following along with the hands-on demos in these courses, you can't go wrong.
Following are free resources that I've created or collected.
By me Networking 5 Network Automation Tips & Tricks—NVIDIA
Automating Cumulus Linux With Ansible
5 big misconceptions about virtual LANs
IT Management CEO vs. CIO: Why Both Sides Are Wrong About IT’s Value and Purpose—Corp! Magazine
Repositories My GitHub …
You took one of the Cisco CCNP exams. You went to the exam center, sat down, and started the exam. About 2 hours later, you saw the dreaded news appear on the screen:
You didn’t pass.
I’ve failed certification exams in the past, so I can relate to the facepalm-worthy feeling you get when you realize you dropped a …
While playing around with AWS CloudWatch Log Insights to analyze VPC flow logs, I thought of a couple of fun ways to identify (probably) malicious traffic.
Finding Vulnerability Scanners These are the guys that hammer your box looking for anything from silly SQL injection attacks (so 2005) to CSRF vulnerabilities. The …
I recently got an email from a viewer of my Practical Networking course who asked how the TCP/IP networking terms I used mapped to the Open Systems Interconnect (OSI) model.
First, a bit of background. The OSI model is a generic networking model that is supposed to describe conceptually how networks carry data. Within …