====== Vsphere ======
refer: 
  * http://www.vmware.com/products/vsphere
  * free vmware server: http://www.vmware.com/products/vsphere-hypervisor.html
Docs: 
  * {{:vi_architecture_wp.pdf|}}
  * {{:esxatdg_full.pdf|}}
  * {{:vsphere-esxi-vcenter-server-50-resource-management-guide.pdf|}}
  * {{:perf_best_practices_vsphere5.5.pdf|}}

===== Install vsphere hypervisor free and license code =====
  - Step1: Register and download **vsphere hypervisor free** from https://my.vmware.com/en/group/vmware/evalcenter?p=free-esxi6
  - Step2: Create **usb boot** for vspher hypervisor and **install it**
  - Step3: Go to https://my.vmware.com/group/vmware/my-downloads to get free license key
  - Step4: Using vsphere client to enter license key {{:vmware-license.png|}}
===== Some Basic Concepts in VMWare =====

===== Some basic actions in Vsphere client =====
==== Create vmware ====
==== Remove vmware ====
Fist select the vmware, then right-click to choose **"Remove from disk"**
===== Manage Resources(CPU, Memory, Storage) =====
==== View Resource Allocation ====
Steps to choose feature manage resources:
  - Step1: Click to choose **root node** of vsphere client
  - Step2: Click to choose tab **Resource Allocation** in right-window

==== Resource Pools ====
refer: 
  * http://wahlnetwork.com/2012/02/01/understanding-resource-pools-in-vmware-vsphere/
  * http://www.settlersoman.com/vmware-vsphere-basics-understanding-resource-pools/

Resource Pools - purpose of use: Some reasons to use Resource Pools:
  * **Prioritizing VMs** => Base on **shares**
  * **Selling resource** inside or outside an organization.
  * **Performance Isolation** - for example when you have Test/Dev, Prod and also some really crucial VMs (like Business Critical Application (BCA), you can use Resource Pool to isolate/guarantee performance.
===== Config Vsphere server =====
==== Config ntp update time ====
{{:vsphere-time-config.png|}}
==== Config dns/routing ====
  - Step1: Go to **Configuration** tab of connection to vsphere server
  - Step2: Click **DNS and Routing**:
  - Step3: click **properties** in section **DNS and Routing**. you must change:
    * DNS to 8.8.8.8
    * Routing: Default Gateway to 192.168.1.1(Default gateway of router ADSL) 
==== Config auto restart ====
  - Step1: Go to **Configuration** tab of connection to vsphere server
  - Step2: Click **Virtual machine startup/shutdown**:
  - Step3: click **properties** in section **Virtual machine startup and shutdown**. In this screen, to move one server to section **Automatic Startup** you must choose the server and click **Move up/Move Down** to this section
==== Enable SSH via vsphere client ====
  - Step1: Go to **Configuration** tab of connection to vsphere server
  - Step2: Click **Software->Security Profile**:
    * click **properties** in section **services** to enable, run **ssh server** 
    * click **properties** in section **firewall** to enable allow **ssh server** 
===== vsphere command lines =====
==== Basic command lines ====
  * View vsphere version:<code bash>
vmware -vl
</code>output:<code>
VMware ESXi 5.0.0 build-623860
VMware ESXi 5.0.0 Update 1
</code>Or<code bash>
vmware -v
</code>output:<code>
VMware ESXi 5.0.0 build-623860
</code>
  * View
==== Custom command lines ====
===== Create snapshot =====
===== Install CentOS minimal =====
Install Missinage packages:
  * tools for dev:<code bash>
yum install gcc
yum install gcc-c++
yum install automake
</code>
  * basic tools:<code bash>
yum install vim mc man telnet
</code>
===== Install MacOS on VMWare =====
refer: https://calvin.me/install-mac-os-x-esxi-5-5/