Skip to content
CR Tech

Servers, Systems, Guides

Menu
  • Dell
    • System Management
    • Dell PowerEdge RAID Controller (PERC)
    • iDrac and LifeCycle Controller Guides/Troubelshooting
    • Dell Repository Manager
  • Operating Systems
    • Microsoft Windows Server
    • Microsoft Client OS
    • Exchange Server
    • Linux
  • Scripting Guides
    • PowerShell
    • Bash
    • Python
    • JSON
  • Networking
    • Domain Name System
    • Dynamic Host Configuration Protocol
    • Active Directory
  • Cloud Computing
    • Amazon AWS
    • Azure
    • Cyber security
  • Virtualization
    • VMware
    • Hyper-V
    • Virtual Box

Day: December 4, 2024

Home » Archives for December 4, 2024
Amazon AWS / Cloud Computing

Monitoring AWS EC2 Instances with CloudWatch Custom Metrics

Ever wondered if your EC2 instances are really performing as expected? Maybe you’re noticing sluggish response times or unexpected spikes in costs. That’s where AWS CloudWatch custom metrics come in. …

Amazon AWS / Cloud Computing

Understanding AWS Route 53 DNS Failover Setup

Imagine this: Your website is humming along, and suddenly, your primary server goes down. What happens next? Without a proper failover system in place, users might face a frustrating “Site …

Amazon AWS / Cloud Computing

How to Set Up AWS CloudFront for Faster Content Delivery

Does your website or application feel sluggish? If you’ve ever stared at a loading spinner and wondered how to fix it, AWS CloudFront might be your new best friend. CloudFront …

Active Directory / Networking

How to Update the EmployeeOrgData Value on Entra ID Users

In this article, I’ll explain how to update the EmployeeOrgData for Entra ID users, which includes the Division and CostCenter properties. These properties are typically synchronized from an on-premises Active Directory environment via Entra Connect, but …

Azure / Cloud Computing

Deploy Azure-Firewall-mon to a Static Web App

Overview​ Azure-Firewall-mon (AFM or Azure Firewall Monitor) is a custom solution (currently in a functional beta) created by an Italian Microsoft Cloud Solution Architect called: Nicola Delfino, its worth mentioning that although a Microsoft CSA …

Azure / Cloud Computing

Azure Front Door – Secure Storage Blob Access

This service is a global load balancer for HTTP/HTTPS traffic. You don’t need to manage resiliency, as this service is resilient by default. See what feature you can enable, using …

Azure / Cloud Computing

Build a docker image in a self-hosted agent running on Azure Container Instances

How can a self-hosted agent running on Azure Container Instances create a docker image? Even while the question may seem simple, it is difficult. Suppose you’ve already set up a …

Azure / Cloud Computing

Self-hosted agent on Linux created in 3 minutes

Self-hosted agent on Linux In some cases is necessary, for example, you need to integrate with VNET – because the resources you want to access are not publicly accessible. This can …

SYSADMIN POEM

Keys clack beneath my fingers, I frantically click at the mouse
Most the servers are down, everything in house.

I click and type away as sweat runs down my brow
Everything went down but I’m not sure yet how.

The coffee’s long been cold but I drink it anyway
I know I’ll be stuck here until the break of day.

The phone is ringing off the hook, but I ignore its rattle.
The users are all angry, like an untamed herd of cattle.

I pray to the IT gods to have pity on my soul
Let this restore work, let the data all be whole.

-ccraddocks

NETWORK SYSADMIN POEM

Three small words make a difference and can make or break

And just a few seconds is all that it takes

Often forgotten they've caused broken hearts

So here's a reminder:

copy run start-unknown

December 2024
M T W T F S S
 1
2345678
9101112131415
16171819202122
23242526272829
3031  
« Nov   Mar »

RECENT POSTS

  • Simplify Your Entra ID Governance with Azure Group Expiration
  • Testing out Cross-Region Azure Load Balancer
  • How to Reduce your Azure Storage Accounts Spend
  • How to Configure an Azure Storage Account with an Application Gateway and Custom Domain
  • Active Directory Replication Summary to your Email

KNOWLEDGE ARTICLES

  • Dell Hardware/Software
  • Enterprise Operating Systems
  • Scripting Guides
  • Networking

GET IN TOUCH WITH US

Copyright © 2025 CR Tech – OnePress theme by FameThemes