Sabrin Alexander

Brocade ISL Configuration Step by Step Guide

by File in: How-To

Hello everyone! I have recently received the task to connect a Brocade SN6000B switch to an existing switch fabric, so I thought I would write a article on how to do this since there are a lot of contradicting articles and not so clear articles online. So let’s do this, step by step style! So […]

Upgrade Windows Server from Evaluation to Full

by File in: Windows

Hello and welcome to another article on Windows Server. This time we’ll upgrade from the evaluation license to the full license so we won’t be limited after 180 days of usage and get rid of that pesky little message in our right corner of the screen. First of all, this is the annoying message. In […]

Attach a USB Device to a Virtual Machine in VMware

by File in: How-To

Hello and welcome to another article on VMware. This time we’ll talk about a simple task, of attaching a USB device to a VM in VMware. This article is intended for the beginner audience in the virtualization world and I hope it will add a little more knowledge here and there. Ok so let’s start. […]

Fix Active Directory 1818 Error during DCPromo

by File in: Active Directory

Hello guys, here is an annoying issue that has again a very simple fix. I’ve noticed that most fixes are very simple, haven’t you? I was doing a project for this client where he wanted two Domain Controllers in Azure to replicate with their onsite DCs over a site-to-site link. Everything was nice and dandy. […]

How to Fix “Trust relationship has failed” Error

by File in: Windows

Hello and welcome to a new article on fixing stuff that’s not supposed to break in the first place! This time we are looking at a very old issue, since the dawn of sysadmin time as we know it: the issue where our domain member server or computer loses its trust relationship to the domain. […]

Configure NGINX Reverse Proxy – Step by Step

by File in: How-To

Hello and welcome to an article that focuses on installing and configuring NGINX as a reverse proxy. This is a technical oriented document so we won’t discuss the design and reason behind using a reverse proxy. Instead, we will dive straight into the configuration and set up our NGINX reverse proxy. First of all we […]

Configure CentOS to Sync with NTP Time Servers

by File in: Linux

Welcome fellow admins. Over the years, I’ve encountered many questions on how to correctly configure our Linux hosts to sync time to our enterprise NTP Servers. So, I thought why not create an article that outlines in the simplest form possible the correct way to configure the NTP Client to synchronize with NTP Servers. So, […]

How to Configure NIC Teaming on Windows Server

by File in: How-To

Hello and welcome to another useful article about Windows Server. In this article we will talk about NIC Teaming and how it has improved over time, especially with the new versions of Windows Server 2016 and 2012 R2. So without further ado, let us dive right in and see what NIC Teaming is all about. […]

How to Use Azure VM Scale Sets

by File in: Microsoft Azure

In this article we’re going to talk about Microsoft Azure again, and specifically, about what Azure VM Scale Sets are. Azure VM Scale Sets is an Azure service that allows us to scale up and scale out. What does scale up and scale out mean? What is the difference between the two? I am glad […]

Overview of Azure Virtual Machine Availability Sets

by File in: Microsoft Azure

In this article, we will go over virtual machine availability options in Microsoft Azure. So how do we ensure that our virtual machines are always running in Microsoft Azure and how do we align ourselves with the 99.95% uptime SLA from Microsoft Azure? We use Availability Sets with two or more machines that host the […]