vCenter raised several alarms because its /storage/log partition was full. The errors were: Find the large logs Logging into the vCenter appliance using SSH is a good starting point for troubleshooting. When searching for the largest file in the /storage/log partition it showed: Of the files listed above, the updatemgr-vmon.log.stderr Read more…
When logging into my Lab vCenter the other day, I noticed one of my lab hosts showed an red “ESXi Host Certificate Status” alarm. That was the case because the host was 5 years connected to vCenter and therefore the hosts certificate was expired. Luckily fixing the Host Certificate Status Read more…
Many enterprises and service providers use Fortinet products like FortiGate, often running them as a VM’s. If running them virtually on vSphere, what are the current supported versions? FortiOS supported vSphere versions The vSphere 8 support status for FortiGate appliances in VM factor (including the pay-as-you-go variant) was until recently Read more…
Due to planned maintenance, I needed to temporary move the blog to my home network to prevent downtime. Hosting a public facing website without precautions, can cause threat actors to laterally move through the network. To lower the risk, the web server running the blog needed to run in a Read more…
Once in a while new hardware is released that makes a difference. Such a device is the Intel Optane series of high-performance SSD’s for professional use, which was released in late 2017. In this case I’m talking about the Intel Optane P4800X and P5800X and their consumer counterparts (900P and Read more…
You may recognize this. You’ve updated your ESXi hosts via vSphere Lifecycle Manager (vLCM) or similar method, the host rebooted during remediation and… that’s it. Your host is not reachable anymore. That happened to my lab server last week, while updating it to the latest ESXi 8.0 patch release. So Read more…
NSX 4.0 onwards only supports vSphere 7 and later. In my homelab I’m still running ESXi 6.7 which is joined to a vCenter 8 instance. It’s because the RAID controller in my host is unsupported in ESXi 7+ and no native drivers are available. Running an older ESXi version is Read more…
In most cases VMware Tools are available as part of the ESXi installation. When updating or upgrading vSphere on an ESXi host, the VMware Tools could be updated, but most of the time not to the latest version. In this post I’ll show you how ESXi hosts can updated to Read more…
How to manual update you ESXi host with the latest VMware patches.
My latest homelab addition is the Maxtang NX6412 NUC which was given by VMware, together with Cohesity (many thanks!) at VMware Explore EU (in the US co-sponsored by NetApp) to all vExperts who registered for the gift. After adding RAM and a SATA SSD, it was time it ran vSphere Read more…