Directly on the ESXi host: esxcfg-info | grep -w “Serial Number” Remotely with PowerCLI: $myCredentialsObject = Get-Credential Connect-VIServer -Server <ServerName> -Credential $myCredentialsObject Get-VMHost | Select @{N=’VMHost’;E={$_.Name}}, @{N=’Serial’;E={($_.ExtensionData.Hardware.SystemInfo.OtherIdentifyingInfo | where {$_.IdentifierType.Key -eq “ServiceTag”}).IdentifierValue}}
Enable Inter-VM Transparent Page Sharing (v5.x – 6.7) If you’re using VMWare ESXi in a non-production environment, such as a home lab, consider changing the advanced host setting Mem. ShareForceSalting to “0” in order to encourage likeliness of the hypervisor to increase the inter-VM page sharing pool. After doing so, the PSHARE on my host increased from about 3GB to 4.5GB with 3767MB savings (esxtop then press m). PMEM /MB: 32672 total: 1636 vmk,28639 other, 2397 free VMKMEM/MB: 32510 managed: 939 minfree, 15602 rsvd, 16907 ursvd, clear state PSHARE/MB: 4541 shared, 788 common: 3753 saving SWAP /MB: 0 curr, 0