Using pcap filters with pktcap-uw on ESXi
A feature that was introduced in vSphere 7 is the ability to use pcap (tcpdump) filters with pktcap-uw. One of the use cases where this can be useful is filtering for TCP control bits.
A feature that was introduced in vSphere 7 is the ability to use pcap (tcpdump) filters with pktcap-uw. One of the use cases where this can be useful is filtering for TCP control bits.
Have you ever found yourself wondering when a certain ESXi server was installed? In this case VMware GSS has your back. Check out KB 2144905 to find a simple esxcli command that dissects the hosts UUID to give you the installation date of that specific host. But what if you want to audit an entire cluster? This is where Powershell can help you out.
Lately I’ve been interacting a lot with REST APIs. I found that testing an API from within an application can sometimes cause some issues. For instance, when setting up a webhook notification instance using vROPS you only have a simple test button. But what if the application you want to access requires authentication and all you want to test is if you are able to access a URL via a HTTP proxy server?
The way in which you can customize notifications in vROPS has significantly improved in version 8.6. You now have the ability to use payload templates that can include all sorts of vROPS properties. This way you can make your alerts much more meaningful.
Introduction Last week VMware has release VMware Cloud Director (VCD) 10.3.3. After a small wait from the previous 10.3.2a version but this version was the one I was lingering for! This release would have fixed a lot of the operational issues we have on the environment, which I will post …
The nested ESXi appliances that William Lam provides to the community are great resources for testing. But what about interoperability? Can you run a nested ESXi 7 VM on a ESXi 6.7 server? Unfortunately the answer is; it depends. We can’t all be early adopters right? I currently work in …
The problem In my homelab I’m using a server which contains both Gigabit and 10GbE NICs. When I first deployed ESXi version 7.0U1 the list of devices looked like this.
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Name PCI Device Driver Admin Status Link Status Speed Duplex MAC Address MTU Description ------ ------------ -------- ------------ ----------- ----- ------ ----------------- ---- ----------- vmnic0 0000:02:00.0 nmlx4_en Up Down 0 Half xx:xx:xx:xx:xx:xx 1500 Mellanox Technologies MT27500 Family [ConnectX-3] vmnic1 0000:03:00.0 igbn Up Up 1000 Full xx:xx:xx:xx:xx:xx 2018 Intel Corporation I211 Gigabit Network Connection vmnic2 0000:04:00.0 igbn Up Down 0 Half xx:xx:xx:xx:xx:xx 2018 Intel Corporation I211 Gigabit Network Connection |
In this system the Mellanox isn’t connected to a switch (yet). So I didn’t notice this straight away. But …
The coming months I’ll be focussing a lot on education and certification and for this purpose having access to a lab environment is crucial. Now, I used to have the luxury of having a couple of blade servers at work that I could use for this but as I switched …
Introduction to vSphere Tags VMware vSphere Tags is a way to attach metadata to VMware vCenter inventory objects to make it easier to find and recognize these objects. If you, like me, know about this functionality within vSphere, you know how useful this can be. In previous versions of vSphere, …
Introduction vSphere 7.0 with Kubernetes is going to be released soon! The announcement just went live today during the “Modern Apps Virtual Event”. A couple of weeks ago I followed multiple sessions regarding the new VMware and vSphere product releases and updates and witnessed all its beauty. Today the NDA …