VMware vSphere 7


Introduction to vSphere Diagnostic Tool

Reading time: 3 minutes
While browsing the VMware Flings website, I recently ran across a Fling previously released in November of 2021 titled vSphere Diagnostic Tool that I found to be quite interesting. The tool is a set of python scripts that execute various diagnostic commands against a vCenter Server appliance. The scripts aim to rapidly isolate common known issues with vCenter Server appliances to aid and provide the end-user with information on how to remediate the problems.

VMSA-2021-0028 - VMware's Response to Apache Log4j Remote Code Execution Vulnerability (CVE-2021-44228)

Unless you’ve been living under a rock the past couple days, you’ve likely been seeing many articles regarding CVE-2021-44228 which describes a remote code execution vulnerability within Apache Log4j. Apache Log4j is a Java-based logging utility used by many applications across the world, and as such, this vulnerability is a huge issue due to how easy it is to exploit as well as the sheer number of vulnerable devices. Like most companies with Java based applications, many of VMware’s products utilize Log4j to provide application logging capabilities.

Getting Started with vSphere 7.0 Lifecycle Manager

Reading time: 9 minutes
In the early days of VMware ESX and VirtualCenter Server (now called vCenter Server), patching and upgrading ESX hosts was a manual and challenging task that required a significant amount of time from a virtual administrator to complete. This process included manually staging patch files as well as executing install and reboot commands to each ESX host. To simplify virtual infrastructure management, in 2007, VMware introduced a new feature with VMware VirtualCenter Server 2.

ESXi Upgrade - Software or system configuration of host is incompatible

Reading time: 2 minutes
While attempting to upgrade my ESXi hosts to the latest vSphere 7.0 release, I ran into the following error on all of the hosts in my home lab: The upgrade has VIBs that are missing dependencies. Remove the VIBs or use Image Builder to create a custom upgrade ISO image that contains the missing dependencies, and try to upgrade again. While the error message gives you a pretty good idea of what might be causing the issue, for the life of me, I couldn’t think of what VIBs it could be referring to.

VMware vSphere 7.0 Now Available

Reading time: 5 minutes
Today, the highly anticipated VMware vSphere 7.0 release is now available for download. With it comes many new features and enhancements that I hope to write about in the near future. Until then, there are several items that you should be aware of before you begin upgrading your environments. What’s New in vSphere 7.0 There are so many new features in vSphere 7.0 that a dedicated blog post would be required to cover them all.


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