====== ESXi - PowerCLI ======

===== Connect =====

//more in this [[https://blogs.vmware.com/PowerCLI/2013/03/back-to-basics-connecting-to-vcenter-or-a-vsphere-host.html|VMware PowerCLI Blog post]]//

Components used in the following examples:
  * Windows with installed vCenter Server: **myWinvCenter01**
  * vCenter deployed as VCSA: **myVCSA01**
  * User in vCenter to connect with: **myvCenterUser**
  * Related user password: **myvCenterPassword**

==== Windows vCenter Server ====

<code>
Connect-VIServer myWinvCenter01
#...
Disconnect-VIServer -Force -Confirm:$false
</code>

==== vCenter Server Appliance ====

Credentials have to be stored once per Windows User:

<code>
New-VICredentialStoreItem -Host myVCSA01 -User myvCenterUser -Password myvCenterPassword
</code>

<code>
Connect-VIServer -Server myVCSA01 -User myvCenterUser
#...
Disconnect-VIServer -Force -Confirm:$false
</code>

===== Hardware-Info =====

==== Show physical disks on HP hosts ====

<code>
(Get-EsxCli -VMHost myVMHost).hpssacli.cmd("ctrl slot=0 pd all show")
</code>



===== Host Services =====

SSH (TSM-SSH) is used in the following examples on host myHost.

==== Start ====

<code>
Start-VMHostService -HostService (Get-VMHost myHost | Get-VMHostService | Where { $_.Key -eq "TSM-SSH" } )
</code>

==== Stop ====

<code>
Stop-VMHostService -HostService (Get-VMHost myHost | Get-VMHostService | Where { $_.Key -eq "TSM-SSH" } ) -Confirm:$false
</code>

==== Status ====

<code>
Get-VMHost myHost | Get-VMHostService | Where { $_.Key -eq "TSM-SSH" }
</code>

===== Already connected to vCenter? =====

<code>
if($Global:DefaultVIServer) {
    "Connected."
} else {
    "Not connected."
}
</code>