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 — Difference between EBS and Instance Store

crtechtipsFeb 19, 20216 min read

EBS (Elastic Block Store) vs Instance Store in AWS Instance Store (Ephemeral storage) vs EBS (Elastic Block Store) TL;DR EBS volume is network attached drive which results in slow performance but …

AWS — Difference between SQS and SWF

crtechtipsFeb 19, 20213 min read

SQS (Simple Queue Service) vs SWF (Simple Workflow Service) in AWS SQS TL;DR: SQS is a service that allows you to queue messages giving you the ability to de-couple your environment. …

AWS — IAM Account Root User Overview

crtechtipsFeb 19, 20213 min read

Introduction to IAM Account Root User in AWS AWS IAM A root user is created during the AWS sign-up process All AWS accounts have a root user (only one) Has …

Migrate Active Directory from Server 2012 R2 to Server 2016

crtechtipsDec 11, 20206 min read

This is very straight forward process, but make sure you test it 1st in your Test Environment. I’m using 2 Hyper-V Machine, which is my Previous domain Server (Microsoft.lk.com). 1- Login to windows …

How to Use PowerShell to Create AD User Accounts in Bulk in Windows Server 2016

crtechtipsDec 11, 20202 min read

Lets get started.. 1 – For this demo, I will use my existing AD Server with Windows.ae domain and previously created empty OU call Network Branch. My Network Branch OU is now empty without any User in …