Some time ago I published a post on creating Linux OVF template, apparently people liked the idea because I was asked to do same for a Windows 2016 Server image. If you are a Windows guy, you for sure know that there are millions of ways to deploy customised Windows… Continue reading
We often hear about clusters, but what does a “cluster” actually mean? How are clusters used and what are their benefits? In this article, I will take a look at the most frequently used types of clusters and advantages of using them within the framework of the VMware virtual infrastructure.… Continue reading
As most of the folks in the IT, I’ve spent last couple of days researching about famous Spectre and Meltdown attacks and their possible impact to our infrastructure. These security flaws are especially bad, not only because they’ve been here for more than 2 decades, but mitigation comes with significant… Continue reading
A lot has been written in the last few days about the Shockwave Flash crashing when using vSphere Web Client 6.x VMware produced KB2151945 on how to workaround the problem, yes a workaround, because until now there is no resolution for the problem. Until now nothing new, just follow the KB… Continue reading
Despite the plentiful business benefits of database virtualization, it still has a bad reputation because it slows down the database while trying to save your time and money. For that reason, any enterprise designing a virtualization infrastructure to ensure better business continuity and easier disaster recovery must also ensure that… Continue reading
In previous article at Runecast.biz I’ve described a use case for consuming the Runecast Analyzer REST API from vRO to remediate specific KB. It’s a valid option, but I felt there was too much overhead – adding REST endpoint, adding REST operation, taking care of each request and parsing the… Continue reading
Yesterday, we experienced a problem where we couldn’t install ESXi on the one of ours IBM x3650 M4 servers. We suspected it could be a firmware issue as we performed a complete firmware upgrades just before the installation. If you already had your ESXi installed and did the firmware upgrade… Continue reading
Good Sys Admin is the lazy Sys Admin. Step by step IT automation is making its way in our daily activities and I like to use it as much as possible. Saving time and reducing human errors are obvious advantages, but I also like to watch how the magic happens.… Continue reading
“It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.” – Franklin D. Roosevelt “Errors in Active Directory operations” sounds familiar? Did you check that the following ports (both UDP and TCP) are open for communication… Continue reading
Two weeks ago, we started with regular updates of our Flex system servers, including drivers and firmwares. It is good practice to update drivers first so I followed this procedure as usually. Our update list included ESXi driver for CN4022 (QLogic Broadcom BCM57840). Since IBM/Lenovo doesn’t provide VMware drivers for… Continue reading
