External Pi-hole with IPv6 – Setup a secured Pi-hole DNS service on Docker using Linode/AWS Setup your own cloud based DNS service on the cheap using pubic cloud service providers Use Mailx to send emails using office 365 Guide on how to setup mailx with office 365 using app passwords - valid as of Aug 2023 ArubaOS CX Virtual Switching Extension – VSX Stacking Guide VSX is a cluster technology that allows the two VSX switches to run with independent control planes (OSPF/BGP) and present Software is Just Loops and State A program is a collection of loops. Some loops read state. Some loops write state. Kubernetes Loop When you strip away the UIs and YAML, Kubernetes is really just one thing: a stubborn, event-driven collection of control Fractals All the Way Down A System Engineer's view of the architectural underpinnings of large language models (LLMs) and their emergent reasoning capabilities arise from Unable to upgrade vCenter 6.5/6.7 to U2: Root password expired As a Part of my pre-flight check for Vcenter upgrades i like to mount the ISO and go through the Hybrid Exchange mailbox On-boarding : Target user already has a primary mailbox – Fix Duplicate mailbox issue with hybrid exchange user mailbox migration Solution – RKE Cluster MetalLB provides Services with IP Addresses but doesn’t ARP for the address RKE Cluster MetalLB provides Services with IP Addresses but doesn't ARP for the address - Solution Upgrading VMware EXSI Hosts using Vcenter Update Manager Baseline (6.5 to 6.7 Update 2) Update Manager is bundled in the vCenter Server Appliance since version 6.5, it’s a plug-in that runs on the vSphere 1 2 3 … 5 Next »