Enterprise Operating Systems

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

Read More

Dell Hardware/Software Guides

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

Read More

Scripting Guides

PowerShell, Bash, JSON, and Python Scripting Guides

Read More

Understanding Routers, Switches, and Network Hardware

crtechtipsDec 1, 201110 min read

Today we’re taking a look at the home networking hardware: what the individual pieces do, when you need them, and how best to deploy them. Read on to get a …

Dynamic Host Configuration Protocol (DHCP) Intro

crtechtipsNov 29, 20116 min read

Let’s imagine you’re a system administrator at a large company. You are implementing a new network of several hundred computers. All is fine and well until you realize: you have …

How to Subnet a Network

crtechtipsNov 23, 20116 min read

A properly designed subnet can do wonders for the security and performance of a network. The main idea in subnetting is to divide a network into smaller pieces, which we …

How To: Getting VPN to work through NAT firewalls

crtechtipsNov 23, 20114 min read

With the rising popularity of telecommuting and the increasing need to protect their electronic assets, companies large and small have been turning to Virtual Private Networking (VPN). The good news …

How To: Fixing DNS problems

crtechtipsNov 23, 20117 min read

The inability to open a website by name usually indicates a DNS (Domain Name System) problem. DNS is the service that converts the website URL, i.e. www.yahoo.com into the IP …