Mastering IT
a few bytes at a time.
Blogging about Systems Administration
Recent Posts
Monitor APC Temperature Sensor in CheckMK
Blog Post • September 13, 2025
If you’re attempting to monitor APC’s Network Management Card Version 3 (NMC3) via CheckMK you’ll find that the build-in checks do …
Install a Printer using PowerShell
Blog Post • September 13, 2025
In this post, I want to outline the basic PowerShell commands required to install a printer on a Windows 10/11 host. This won’t go through all …
Efficiently Polling Windows Features in Ansible
Blog Post • June 24, 2025
I recently ran into an issue with slow playbook runtimes. I found when querying Windows hosts — specifically when determining if a Windows Feature is …
Enabling WinRM Support for RunDeck (Docker)
Blog Post • June 19, 2025
By default, the RunDeck (OSS version) Docker image does not support WinRM for Windows deployments as it lacks the PyWinRM plugin. To work around this …
Interactive Prompt in PowerShell
Blog Post • June 10, 2025
Just wanted to share a quick tip I recently learned. In PowerShell instead of using TAB to cycle through the various parameters (flags in Linux …
StrongSwan to FortiGate VPN Tunnel
Blog Post • April 19, 2025
Recently I was tasked with configuring a site-to-site IPSec VPN between a FortiGate firewall and Debian-based host running StrongSwan. While …
Administrative Rights
Collection Snippet • February 18, 2025
In this article, we’ll walk through the process of managing and controlling administrative rights across our infrastructure. This is a critical …
Monitor SSL Certificates w/ CheckMK's Agents
Blog Post • February 5, 2025
Let’s Encrypt recently sent out a notification indicating that they will be no longer sending email notifications when a certificate is near …
Compability Access Group
Collection Snippet • November 16, 2024
The Pre-Windows 2000 Compatible Access group is a security group introduced with Windows 2000 to maintain backwards compatibility for applications or …
Disable TLS 1.0 & 1.1
Collection Snippet • November 5, 2024
TLS (Transport Layer Security) is a cryptographic protocol used to secure communications over a channel or connection. It replaces the now deprecated …
Disable RSC (Receive Segment Coalescing)
Blog Post • November 2, 2024
Recently a number of SuperMicro servers operating as hypervisors were experiencing slow network throughout. After investigating it was determined that …
Installation
Collection Snippet • November 2, 2024