Imagine one of your VMs struggling for compute resource and you want to add more resource without powering off the VM? Well VMware hot add and hot plug allows you to do just that. Hot-add vMem and hot-plug vCPU should allow you to easily add vMem and vCPU as necessary while your virtual machine is…
Month: April 2018
How Does vCenter Communicates With ESXi Server? – Plus Topology Diagram – VirtuallyThatGuy
Welcome to VirtuallyThatGuy – today we are going to discuss how vCenter communicates with ESXi host … when the hosts are been managed by the vCenter , either in cluster or standalone Management. First of all what is the difference between Vsphere , vCenter and ESXi host? Many at times people new to virtualisation get…
How to Open VM (Virtual Machine) Console Using PowerCLI – VirtuallyThatGuy
Welcome to VirtuallyThatGuy – and today we are going to be looking at how to open the VM console from the PowerCLI or PowerShell. I never really thought about using the open-vmconsolewindow cmdlet until a colleague asked the question during lunch break. I have used it in the past when the cmdlet was first introduced…
Some Gotchas in Deploying vSphere Replication – VirtuallyThatGuy
Having recently upgraded my home lab, I decided to try out the new vSphere replication 6.5. So I downloaded the iso, extracted and started deploying. Went for a drink only to return to a swarm of errors. Don’t you hate it when you have to send minutes figuring out what went wrong? The new appliance…
How to Expand VM Disk Using PowerCLI and Extend in Windows Guest – VirtuallyThatGuy
Imagine having to expand disk for more than 20 VMs and you sadly opt to do it the click next and next and next and click next way? Well you know where I am going with this. I must admit I use to do it this way until a colleague wowed me with a script…
How to Change TTL Settings in Windows Active Directory – VirtuallyThatGuy
So what is TTL? TTL is the value that determines how long your current DNS settings are cached with Internet Service Providers. What that means for you: In practice, if your Internet Service Provider has the current IP address for your website cached for 24 hours, it won’t bother checking for a DNS update for…
How to Calculate pCPU to vCPU and pMem to vMem Ratio Using PowerCLI – VirtuallyThatGuy
In my time working for an Online betting company, I use to do a lot of capacity planning and cluster over commit analysis for our IT director. This sphered me on to try and automate the process…Thanks to the vmware powercli you can automate the process with below. So once again welcome to VirtuallyThatGuy – this…
How Does vCenter Communicates with ESXi (vPXA, HostD, vPXD) – TCP/UDP 902 – VirtuallyThatGuy
Welcome to VirtuallyThatGuy – today we are going to discuss how vCenter communicates with ESXi host … when the hosts are been managed by the vCenter , either in cluster or standalone Management. First of all what is the difference between Vsphere , vCenter and ESXi host? Many at times people new to virtualisation get…
How to Add Multiple ESXi Hosts to vCenter Using PowerCLI – Automation – VirtuallyThatGuy
Ever wondered how to add a bunch of ESXi Hosts to a newly or existing vCenter using powershell or automate with powercli? Well below script can help you achieve just that:
How to Automate Static DNS A Records with Powershell / PowerCLI – VirtuallyThatGuy
Welcome to VirtuallyThatGuy – This post will be looking at automation the creation of static DNS records in AD using a CSV.