VMware Performance – CPU READY
A deep dive into CPU Ready time and the effects of it on VM running on VMware vSphere. The article explains the symptoms, what CPU ready is and what it is not and how to resolve it.
Distributed Resource Scheduler
DRS addresses where it is optimal for a VM to run. This is done to place the VM on the best ESXi host when the VM starts up based upon resources availability. The load balancing between Cluster nodes (ESXi hosts) is also based on moving VMs to another host that has less resource constraints.
vSphere FT
VMware HA and FT are often misunderstood. Here I will take a deep dive look at what FT provides, read this article for HA deep dive. What is vSphere FT vSphere Fault Tolerance (FT) is for most mission critical virtual…
Defining VM start order in case of VMware vSphere HA Event
Within vSphere 6.7 and later we can define the start order of VMs in a vSphere cluster in case of an HA event. This can be very useful for certain applications, like if the database server needs to be up…
Containers
One of the purpose of a IT Department is to enable the organization to utilize technology to support business and to run business systems. Virtualization offers faster time to marked then physical servers and with the introduction of containers this…
Azure – Secure RDP & SSH traffic
The ports for RDP on Windows Servers and SSH for Linux are close to guaranteed to attempted to be hacked if you put a server with these protocols publicly exposed. So all design recommendations have always been not to add…
Network Architecture in Azure Cloud
In on-premise networks, you (usually) control the cabling so you can decide where traffic can flow and which routers, switches, and network devices the traffic has to go through. In Public Clouds like Microsoft Azure, the physical network is out…
Move from WordPress to AWS LightSail
The blog is still using WordPress. However since I hardly have hits I do not see the justification to spend the money WordPress wanted from me to run the website. Now it is on AWS LightSail – a developer tooling…