Enterprise Operating Systems

Troubleshooting and Guides for: Microsoft Server, Linux, and VMware

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Dell Hardware/Software Guides

Dell Servers – PowerEdge, Blades, and Cloud
integrated Dell Remote Access Controller (iDrac)
OpenMange Server Administrator (OMSA)

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Scripting Guides

PowerShell, Bash, JSON, and Python Scripting Guides

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AWS — VPC Peering Overview

crtechtipsMar 19, 20214 min read

Introduction to AWS VPC Peering AWS — VPC PeeringTL;DR A VPC Peering connection is a networking connection between two VPCs that enables you to route traffic between them privately (using private IPv4 or IPv6 addresses). Instances in either VPC can communicate with…

AWS — VPC Egress-Only Internet Gateway Overview

crtechtipsMar 19, 20212 min read

Introduction to AWS VPC Egress-Only Internet Gateway VPC Egress-Only Internet GatewayTL;DR Egress-only Internet Gateway is VPC component that allows outbound only communication to the internet over IPv6, and prevents the Internet from initiating an IPv6 connection with your instances. Egress-only Internet…

AWS — VPC Endpoints Overview

crtechtipsMar 19, 20214 min read

Introduction to AWS VPC Endpoints AWS — VPC EndpointsTL;DR VPC endpoint enables creation of a private connection between VPC to supported AWS services and VPC endpoint services powered by PrivateLink using its private IP address. Traffic between VPC and AWS service…

AWS — VPC Route Table Overview

crtechtipsMar 19, 20213 min read

Introduction to AWS VPC Route Table AWS — VPC Route TableTL;DR A route table contains a set of rules, called routes, that are used to determine where network traffic from your subnet or gateway is directed. To put it simply, a route table…

AWS — Amazon Route 53 — Routing Policies Overview

crtechtipsMar 19, 20214 min read

Introduction to AWS Route 53 Routing Policy types When you create a record, you choose a routing policy, which determines how Amazon Route 53 responds to queries: Simple routing policy — Use for a single resource that performs a given function…