Archive

• Linux Firewall Management using firewalldMay 3, 2026
  Over the past few months, I feel like I’ve been on a tear with deploying Linux. Most of the deployments… Read more: Linux Firewall Management using firewalld
• Overview of Single sign-on with SAMLMay 2, 2026
  I’ve found myself in several discussions about Single Sign-On (SSO) over the last few months and figured this would be… Read more: Overview of Single sign-on with SAML
• IPv4 CIDR Reference ChartMay 2, 2026
  As the title suggests, a clean IPv4 CIDR chart. CIDR Prefix Subnet Mask Total IPs /32 255.255.255.255 1 /31 255.255.255.254… Read more: IPv4 CIDR Reference Chart
• Granting an Entra App (Service Principal) access to a SharePoint Site using Graph ExplorerApril 26, 2026
  This process can be used if you need to run an unattended script or application (for example, a PowerShell script… Read more: Granting an Entra App (Service Principal) access to a SharePoint Site using Graph Explorer
• Why Azure Resource Naming MattersApril 12, 2026
  There are a few lessons in life that are worth learning. One of them is establishing a robust naming convention… Read more: Why Azure Resource Naming Matters
• How to Migrate Windows DHCP Server to a new ServerApril 12, 2026
  They say all good things come to an end, and this is most certainly the case with Windows Server operating… Read more: How to Migrate Windows DHCP Server to a new Server
• What’s Ubuntu Pro? How to manage itApril 12, 2026
  Ubuntu Pro is a comprehensive subscription service provided by Canonical that extends the security and compliance capabilities of Ubuntu LTS… Read more: What’s Ubuntu Pro? How to manage it
• Cisco Nexus Show CommandsApril 12, 2026
  A list of Cisco Nexus show commands that you can run to obtain information about Nexus switches. General System Information… Read more: Cisco Nexus Show Commands
• Cisco Catalyst Show CommandsApril 11, 2026
  Not to much to say here other than this is a solid list of Cisco IOS/IOS-XE show commands that you… Read more: Cisco Catalyst Show Commands
• Windows 11 on Unsupported HardwareMarch 13, 2026
  Have you ever tried to install Windows 11 and bumped up against the “Your PC doesn’t meet the minimum system… Read more: Windows 11 on Unsupported Hardware
• Common TCP, UDP Ports, and Tightening up FirewallsFebruary 21, 2026
  Below is a list of common ports and protocols for use on your Windows and Linux firewalls, switch ACL’s, network… Read more: Common TCP, UDP Ports, and Tightening up Firewalls
• Windows 11 Debloat : A Guide to Debloating like a Pro (Without Breaking the Essentials)February 19, 2026
  I’ll probably warn you a few times here as there’s a significant chance that something could break if you run… Read more: Windows 11 Debloat : A Guide to Debloating like a Pro (Without Breaking the Essentials)
• When ‘WMware Tools’ is no longer toolingFebruary 14, 2026
  This here is a story about a well executed HCI cluster upgrade that went slightly off-script towards the tail end… Read more: When ‘WMware Tools’ is no longer tooling
• Tailscale Subnet RouterFebruary 14, 2026
  If you’ve ever wanted to get secure remote access to something on the inside of your private network without the… Read more: Tailscale Subnet Router
• Upgrading Ubuntu LTS to the Next ReleaseFebruary 14, 2026
  Often times, the need arises to deploy software as part of a solution. In instances where a pre-built VA does… Read more: Upgrading Ubuntu LTS to the Next Release
• What’s Altbrain?February 13, 2026
  Glad you asked! As the name implies, it’s my alternate brain. It’s a place to come when all the bits… Read more: What’s Altbrain?
• Joining a RHEL VM to an Active Directory DomainFebruary 12, 2026
  Let’s face it folks, Linux rules the datacenter, but Microsoft Windows has a place and purpose in an enterprise environment.… Read more: Joining a RHEL VM to an Active Directory Domain
• Connecting to Microsoft 365 Services with PowershellFebruary 9, 2026
  1. Microsoft Entra ID (Formerly Azure AD/MSOL) This is the direct replacement for the MSOL and AzureAD modules. 2. Exchange… Read more: Connecting to Microsoft 365 Services with Powershell
• Duo Authentication Proxy: Installation, Upgrade & ManagementFebruary 9, 2026
  Duo Authentication Proxy is an on-premises software service that acts as a RADIUS or LDAP intermediary, bridging the gap between… Read more: Duo Authentication Proxy: Installation, Upgrade & Management
• Basic Linux Shell CommandsFebruary 9, 2026
  Mastering Linux Shell Commands: A Beginner’s Guide Linux shell commands are powerful tools that allow users to interact with the… Read more: Basic Linux Shell Commands

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