what is the vCenter in VMware

A service that acts as a central administrator for VMware ESXi hosts that are connected on a network. VCenter Server directs actions on the virtual machines and the virtual machine hosts

You can install Vcenter Server in a Windows virtual machine on an ESXi Host, allowing it to take advantage of the high-availability that is provided by

VMware HA.

Vcenter 6.5:-

Ø In vCenter 6.0 version Vcenter
A service that acts as a central administrator for VMware ESXi hosts that are connected on a network. VCenter Server directs actions on the virtual machines and the virtual machine hosts

You can install Vcenter Server in a Windows virtual machine on an ESXi Host, allowing it to take advantage of the high-availability that is provided by
VMware HA.

Vcenter 6.5:-

 In vCenter 6.0 version VMware is discontinuing vSphere Client.
 vCenter 6.0 version introduces the new HTML5-based vSphere Client.
Upgrade:-
In vCenter 6.5 model vCenter is divided into two types:-
1. Platform service control(PSC)
2. deploy the vCenter Server Appliance
PSC: - In vCenter Server 6.0 Update 1
the administration with the Platform Services Controller Interface, a fully HTML5-based interface to administer and configure many of the services that run on the PSC.
1)Platform services such as:-
• Licensing Service
• Certificate Authority (VMCA)
• vCenter Single Sign-On
• Lookup Service for Component Registrations
Licensing Service:-
The vSphere License service provides common license inventory and management capabilities to all vCenter Server systems
Certificate Authority (VMCA):-
VMware Certificate Authority (VMCA) provisions each ESXi host with a signed certificate that has VMCA as the root certificate authority
VCenter Single Sign-On:-
The vCenter Single Sign-On authentication service provides secure authentication services to the vSphere software components.
2)VCenter Server Services:-
• VSphere Web Client
• Inventory Service.
• VSphere Auto Deploy.
• VSphere ESXi Dump Collector.
• VMware vSphere Syslog

VSphere Web Client:-
The VSphere Web Client connects to VCenter Server instances by using a Web browser, so that we can manage your VSphere infrastructure.
VCenter Inventory Service:-
VCenter Server configuration and inventory data, enabling to search and access inventory objects across vCenter Server instances
VSphere Auto Deploy:-
The vCenter Server support tool that can provision hundreds of physical hosts with ESXi software
VSphere ESXi Dump Collector:-
The vCenter Server support tool. The configure ESXi to save the VMkernel memory to a network server, rather than to a disk.
When the system encounters a critical failure. The vSphere ESXi Dump Collector collects such memory dumps over the network.
VMware VSphere Syslog Collector:-
The enables network logging and combining of logs from multiple hosts. The VSphere Syslog Collector to direct ESXi system logs to a server on the network, rather than to a local disk.
The recommended maximum number of supported hosts to collect logs from is 30. For information about configuring vSphere Syslog Collector is discontinuing vSphere Client.

Ø vCenter 6.0 version introduces the new HTML 5-based vSphere Client.

Upgrade:-

In vCenter 6.5 model vCenter is divided into two types:-

1. Platform service control(PSC)

2. deploy the vCenter Server Appliance

PSC: — In vCenter Server 6.0 Update 1

the administration with the Platform Services Controller Interface, a fully HTML5-based interface to administer and configure many of the services that run on the PSC.

Platform services such as:-

· Licensing Service

· Certificate Authority (VMCA)

· vCenter Single Sign-On

· Lookup Service for Component Registrations

Licensing Service

The vSphere License service provides common license inventory and management capabilities to all vCenter Server systems

Certificate Authority (VMCA)

VMware Certificate Authority (VMCA) provisions each ESXi host with a signed certificate that has VMCA as the root certificate authority

VCenter Single Sign-On

The vCenter Single Sign-On authentication service provides secure authentication services to the vSphere software components.

VCenter Server Services:-

· VSphere Web Client

· Inventory Service.

· VSphere Auto Deploy.

· VSphere ESXi Dump Collector.

· VMware vSphere Syslog

VSphere Web Client

The VSphere Web Client connects to VCenter Server instances by using a Web browser, so that we can manage your VSphere infrastructure.

VCenter Inventory Service

VCenter Server configuration and inventory data, enabling to search and access inventory objects across vCenter Server instances

VSphere Auto Deploy

The vCenter Server support tool that can provision hundreds of physical hosts with ESXi software

VSphere ESXi Dump Collector

The vCenter Server support tool. The configure ESXi to save the VMkernel memory to a network server, rather than to a disk.

When the system encounters a critical failure. The vSphere ESXi Dump Collector collects such memory dumps over the network.

VMware VSphere Syslog Collector

The enables network logging and combining of logs from multiple hosts. The VSphere Syslog Collector to direct ESXi system logs to a server on the network, rather than to a local disk.

The recommended maximum number of supported hosts to collect logs from is 30. For information about configuring vSphere Syslog Collector