Stanislav Musil – Blog

  • How to Quickly Disable a vmnic on ESXi – No Switch Changes or Cable Pulling Needed!

    How to Quickly Disable a vmnic on ESXi – No Switch Changes or Cable Pulling Needed!

    In VMware ESXi, managing physical network interfaces (vmnics) is essential for troubleshooting, maintenance, or reconfiguration. There are times when you need to disable or re-enable a network interface without relying on the network team to shut down a switch port or physically unplugging the cable in the server room. Fortunately, this can be done quickly…

  • How to Change vmnic Name on an ESXi Host via Command Line

    How to Change vmnic Name on an ESXi Host via Command Line

    Renaming or reordering vmnics on an ESXi host can be useful in various scenarios, such as standardizing network configurations or aligning network interface names across multiple hosts. This guide will show you how to achieve this using the ESXi command line. Listing Current vmnic Aliases Before making changes, it is essential to check the current…

  • Give Your ESXi Host a Personal Touch with a Custom Welcome Message – the PowerShell way

    Give Your ESXi Host a Personal Touch with a Custom Welcome Message – the PowerShell way

    Ever wanted to spruce up that default login screen on your ESXi host or have some fun with your DCUI? Then you’re in the right place! In this post, I’ll walk through using the Annotations.WelcomeMessage advanced setting to display a custom welcome message on your ESXi host. Best of all, I’ll share a neat PowerShell…

  • Easily Identify Your vCenter Version and Update Needs with PowerShell (Get-vCenterVersion)

    Easily Identify Your vCenter Version and Update Needs with PowerShell (Get-vCenterVersion)

    If you are working with VMware environments, particularly with vCenter Server, it’s important to keep track of the version and build number of your vCenter instances. This script/function, Get-vCenterVersion, is designed to help you retrieve these details effortlessly. Here, we’ll break down my script, explaining each section, and provide examples of how to use it.…

  • VMUGCZ Event in Prague – 2024-05-23

    A Day of Innovation and Networking VMware User Group Czech Republic (VMUGCZ) Yesterday’s VMUGCZ event in Prague was a fantastic success, bringing together professionals and enthusiasts for a day filled with insightful sessions, engaging discussions, and valuable networking opportunities. Agenda: Welcome by VMUGCZ LeadersThe event began with a warm welcome from the VMUGCZ leaders, setting…

  • Audio-Books 2021-2024

    Seznam audioknih, které jsem za ta léta poslechl. Většinou cestou do a ze zaměstnání 🙂 Pokud mi chcete nějkou doporučit tak mi určitě napište. Všechny audio knihy si můžeš poslechnout na audiolibrix. 2024 Těžké melodično (Terry Pratchett) Na volné noze (Robert Vlach) Jak na sítě (Eliška Vyhnálková) Total Recall (Arnold Schwaryenegger) 2023 KMOTR (Mario Puzo)…

  • My Experience at VMware Explore 2023

    I recently had the incredible opportunity to attend VMware Explore 2023, and it was an enlightening journey into the future of digital transformation. This year’s event was brimming with innovative solutions and significant updates that left me excited about what’s coming next in the tech world. Personal Insights Attending VMware Explore 2023 was more than…

  • Homelab 2022

    LAB for 2022 is ready. Last year the price of the energy go so high, that I must to turn off some of my servers. So they are not running 24×7 🙁 Usually I run 2x vCenters, NSX-T, VSAN, Cloud Director, vRO, vRLI, Tanzu, K8S etc.. and a lots of linux VM’s all for testing…

  • NSX-T upgrade to 3.1.1 with few issues.

    I updated NSX-T in my lab environment (more about the homelab here) from version 3.1.0 to 3.1.1 { more precisely from 3.1.0.0.0.17107157 to 3.1.1.0.0.17483185 }. And during the update I went through few issues, which I was able to solve 🙂 Learning curve go up .. Before you start, read release notes: https://docs.vmware.com/en/VMware-NSX-T-Data-Center/3.1/rn/VMware-NSX-T-Data-Center-311-Release-Notes.html The first…

  • Homelab 2021

    LAB for 2021 is ready. Last year new home DC building has been build. Usually I run 2x vCenters, NSX-T, NSX-V, VSAN, Cloud Director, vRO, vRLI etc..and a lots of linux VM’s all for testing and learning purpose. Licenses I have are from vExpert and VMUG Advantage. 2021-01-17 DC5 Networking: Internet 500Mbit Cisco 2970G Zyxel…

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