VMware Skyline is a proactive support tool to help customers avoid problems before they occur. More information on the service can be found here: https://www.vmware.com/support/services/skyline.html. One feature of this service is a GraphQL based API known as the Skyline Insights API. Using this API, you can query for active findings…
In a recent post (https://enterpriseadmins.org/blog/virtualization/domain-controllers-and-micro-segmentation/) I described an issue where authentication may not work as desired when Active Directory sites and Services Subnets are not properly defined. There is often a disconnect in large enterprises where network/subnet creation and active directory aren’t managed by the same folks, so occurrences like…
I was recently reminded of the importance of Active Directory Sites and Services as it relates to micro-segmentation. I was working on an engagement where an organization wanted to implement a zero-trust / micro-segmentation policy by default. As part of this effort, they created a new network with default deny/any…
I recently needed to grow the file system on a Linux VM. I remembered writing a post on this before, so I headed here: Unfortunately this previous post assumed a non-LVM disk setup. I needed to increase the size of the /data mountpoint using the filesystem /dev/mapper/data_vg-data and the earlier…