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  • Blog

    Key-based Authentication for OpenSSH on Windows

    This is a follow up to a previous post: Getting Started with SSH on Windows Server 2019.  If you haven’t yet installed and configured SSH, start by reading that first. Key-Based Authentication Overview The previous post leaves off with SSH enabled and working with username and password authentication.  If you want to enable key-based auth instead, you…

    Concurrency
  • Blog

    Troubleshooting Blocked Ports

    One of the more common networking issues we look at is where some or all ports between servers are being blocked.  Typically, this is due to a misconfiguration, but being able to find the details of the issue is invaluable in tracking down the cause. Basic Port Tests When testing for blocked ports, it’s important…

    Concurrency
  • Blog

    Fixing Invoke-WebRequest

    Recently, we noticed that build times for Terraform deployments in Azure DevOps were taking an unusually long time, sometimes as much as three to five minutes per build. Upon further investigation, one of the steps that held up the build process the longest was the step to download Terraform. The download step, which downloads terraform…

    Concurrency, Inc.
  • Blog

    Managed Service Accounts

    Managed Service Accounts are a Windows feature introduced in Windows Server 2008 R2 for increasing the security of non-user service accounts.  Managed Service Accounts, shortened as MSAs, have an automatically-managed, complex password that removes the requirement of manually dealing with password rotation and security.  In Server 2012, this feature was enhanced to group Managed Service…

    Concurrency, Inc.
  • Blog

    Create a Simple Ticketing System in SharePoint Online

    I was recently tasked with creating a simple help desk ticketing system in SharePoint Online and Office 365 for a client. While I fully understood from the start that OOTB functionality in SharePoint wouldn’t provide the best means for accomplishing this task, I was pleased to discover that it is surprisingly capable of offering the…

    Concurrency
  • Blog

    Getting Started with SSH on Windows Server 2019

    New to Windows Server 2019 is the OpenSSH Client and Server capability that can be enabled with PowerShell.  This feature was originally introduced with the 1804 release of Windows 10 and has since been added into Windows Server 2019.  The configuration of the SSH Server feature entails installing the capability and enabling the services.  You…

    Concurrency
  • Blog

    Domain Controller DNS Record Registration

    DNS plays a central part in Active Directory.  Clients use DNS records to discover and communicate with domain controllers which, in turn, allows for proper domain functionality.  Let’s take a look at the key DNS records and some other helpful information for troubleshooting DNS issues. Core DNS Records There are 7 types of DNS records that get…

    Concurrency
  • Blog

    SPO Image Resizing and How to Format New Visual Content

    One Question I have been getting asked since SharePoint Online came out is about content images. How should they be formatted? What are the dimensions of a banner image? How do the images look at different window and screen sizes? All of these were Questions I had myself. So I started digging. First, its good…

    Concurrency, Inc.
  • Blog

    IoT 101: Data Flow

    A few blogs ago, we started on the 4 Ws of IoT. This blog is second blog that explains one of the many “hows” in the question of IoT.  In order to us to have a IoT solution, we have to have things, or a device, or a system that is willing to gather data…

    Concurrency, Inc.