Stanislav Musil – Blog

  • VMUG Connect 2025 Recap: From Brewery Chats to Certification Success!

    VMUG Connect 2025 Recap: From Brewery Chats to Certification Success!

    Just got back from VMUG Connect 2025 in Saint Louis, and what an incredible experience it was! From the moment I landed, the energy was buzzing, and kicking off the event at the pre-connect gathering in a Budweiser brewery set the perfect casual tone to network and catch up with friends and peers from around…


  • My VMUG Leader Summit 2025 Experience in Saint Louis!

    My VMUG Leader Summit 2025 Experience in Saint Louis!

    I recently had the fantastic opportunity to travel from the Czech Republic to Saint Louis, USA, for the 2025 VMUG Leader Summit. As a proud Czech Republic VMUG Leader, this journey was particularly exciting for me—filled with long flights, amazing people, and tons of great insights. My trip began in Prague, with stopovers in Amsterdam…


  • How to Suppress ESXi Shell Warnings with PowerCLI

    How to Suppress ESXi Shell Warnings with PowerCLI

    If you’re managing VMware environments, you might occasionally run into persistent shell warning alerts in your ESXi hosts. Thankfully, you can quickly find and suppress these warnings with a bit of PowerCLI magic. Check for ESXi Hosts with Shell Warnings Show the actual advanced settings on all hosts. Log into vCenter using PowerCLI and run…


  • How to Quickly Check/Backup ESXi Host TPM Encryption Recovery Key Using PowerCLI

    How to Quickly Check/Backup ESXi Host TPM Encryption Recovery Key Using PowerCLI

    Managing encryption across multiple ESXi hosts can be a bit of a hassle. But don’t worry. I’ve got a simple PowerCLI script that’ll save you time and headaches by quickly retrieving encryption status and recovery keys from your VMware environment. Why Do You Need This? Ensuring your ESXi hosts are correctly encrypted is essential for…


  • Veeam upgrade 12.2 to 12.3 step-by-step in pictures

    Veeam upgrade 12.2 to 12.3 step-by-step in pictures

    Pre-upgrade checks Stop & disable all backup jobs. And then stop all Veeam services. You can use powershell to stop all Veeam* services: Mount installation ISO image and run “Setup.exe” Choose what to upgrade License Agreement Upgrade list of product which will be upgraded License If you have already licnesed Veeam, you will see your…


  • Centralized ESXi Logs: Quick Guide to Syslog Configuration (WebUI & CLI)

    Centralized ESXi Logs: Quick Guide to Syslog Configuration (WebUI & CLI)

    Configuring syslog on your ESXi host is essential for centralized logging and efficient monitoring. Having your logs centrally managed simplifies troubleshooting and helps with compliance and security audits. Below you’ll find an easy-to-follow guide for setting up syslog both via the WebUI and CLI. Don’t forget to verify connectivity and regularly check your centralized logs…


  • ESXi to Syslog: Troubleshooting Connectivity Issues Like a Pro!

    ESXi to Syslog: Troubleshooting Connectivity Issues Like a Pro!

    When troubleshooting ESXi network and Syslog server connectivity issues, knowing the right tools can save you hours of frustration. Whether it’s an unresponsive syslog server, blocked TCP/UDP ports, this guide will help you diagnose and fix common connectivity issues quickly. Key Troubleshooting Tools for ESXi Network Connectivity Step 1: Verify Basic Network Connectivity Before checking…


  • 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…



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