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 […]

Upgrade Brocade SAN Switch Firmware Step-by-Step

by File in: How-To

Hello and welcome to a neat little article about upgrading the firmware of a Brocade SAN Switch with the latest FOS (Fabric Operating System). So without further ado, let us jump in and upgrade some firmware! The first thing we want to do is to get the latest FOS for our Brocade switch. Now, I’m […]

Understanding App Service Plans in Azure

by File in: Microsoft Azure

Hello and welcome to another article on Azure App Services. Previously, we wrote an introduction to Azure App Service and we followed up with an article on how to deploy a web app using Azure App Services.  Today we will talk about App Service Plans. An App Service Plan consists of the underlying virtual machines […]

Deploying a Web App in Azure App Services

by File in: Microsoft Azure

Welcome to another article on Microsoft Azure App Services. I hope you enjoyed my previous article, which was an introductory one that helped us create an Azure App Service. In this article, we will deploy a Web App in our Web App Service environment and show you the different ways you can go about doing […]