IoT ACL on Cisco 3750 L3 Switch

Posted on Posted in Cisco

Here is a quick example I’m using to segregate my IoT vlan from the rest of the network. If you’re on the latest IOS version you can use object groups to simplify the RFC1918 rules seen below. The following communication flows are allowed: vl10 <–> vl20 all traffic vl10 <–> internet vl20 <–> internet vl50 […]

ESXi 6.7 + Synology NFS VAAI Plug-in

Posted on Posted in Uncategorized

A quick google search for Synology NFS VAAI will get some decent results but the step by step documentation could use some TLC. Especially for 6.7 hosts where even after adding the .zip package manually to update manager it will list 6.7 hosts as compliant without performing any remediation tasks. Place ESXi host into maintenance […]

Supermicro X10 Motherboard Fan Control

Posted on Posted in IPMI

The homelab was in dire need of an upgrade recently and I landed on some Supermicro X10 motherboards. The 2U case I selected came with some built-in 80mm fans which had a max of 2000 RPM. During initial boot the fans would cycle between idle and max speed. I could see in the IPMI dash […]

TFTP + CentOS 7 + SELinux

Posted on Posted in CentOS, Cisco

Welly, well, well…when in need of a TFTP server why not build your own, leave SELinux enabled, create a custom repo, fight against SELinux, find some help on the internets, and end up spending up way too much time on what was supposed to be a quick task. I’m sure this page will get four […]

Domain Controller Granular Event Log Delegation

Posted on Posted in Active Directory, Microsoft, Powershell

So you’ve combed through 7 year old TechNet forum posts, cursed the limitations of Event Log Readers group when trying to use Get-WinEvent, and then tried to decipher SDDL to no avail.  A treatment for all those woes:

The basic gist here is that the CustomSD registry value will contain your new permissions and […]

VMware PowerCLI 10 Setup

Posted on Posted in Powershell, VMware

I found that the latest version of PowerCLI 10 ran fine in 32-bit mode but VS Code, Powershell ISE, or Powershell console in 64-bit mode were unable to load the module.  I would get the following errors when trying to import the newly installed module: Could not load file or assembly ‘log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=692fbea5521e1304’ […]