OS Manuals

/usr/bin/vcsim

vcsim, a vCenter and ESXi API simulator from govmomi

From vcsim 0.56.2-r1 (enterprise-packages), captured 2026-11-08 by running vcsim --help (exit 0). permalink

Usage of /usr/bin/vcsim:
  -E string
    	Output vcsim variables to the given fifo or stdout (default "-")
  -api-version string
    	API version (default "6.5")
  -app int
    	Number of virtual apps per compute resource
  -autostart
    	Autostart model created VMs (default true)
  -cluster int
    	Number of clusters (default 1)
  -dc int
    	Number of datacenters (default 1)
  -delay int
    	Method response delay across all methods
  -delay-jitter float
    	Delay jitter coefficient of variation (tip: 0.5 is a good starting value)
  -ds int
    	Number of local datastores (default 1)
  -esx
    	Simulate standalone ESX
  -folder int
    	Number of folders
  -host int
    	Number of hosts per cluster (default 3)
  -l string
    	Listen address for vcsim (default "127.0.0.1:8989")
  -load string
    	Load model from directory
  -method-delay string
    	Delay per method on the form 'method1:delay1,method2:delay2...'
  -nsx int
    	Number of NSX backed opaque networks
  -password string
    	Login password for vcsim (any password allowed by default)
  -pg int
    	Number of port groups (default 1)
  -pg-nsx int
    	Number of NSX backed port groups
  -pod int
    	Number of storage pods per datacenter
  -pool int
    	Number of resource pools per compute resource
  -standalone-host int
    	Number of standalone hosts (default 1)
  -stdinexit
    	Press any key to exit
  -tls
    	Enable TLS (default true)
  -tlscert string
    	Path to TLS certificate file
  -tlskey string
    	Path to TLS key file
  -trace
    	Trace SOAP to -trace-file
  -trace-file string
    	Trace output file (defaults to stderr)
  -tunnel int
    	SDK tunnel port (default -1)
  -username string
    	Login username for vcsim (any username allowed by default)
  -vm int
    	Number of virtual machines per resource pool (default 2)
Options (31)
OptionDescriptionSource
-E stringOutput vcsim variables to the given fifo or stdout (default "-")help
-api-version stringAPI version (default "6.5")help
-app intNumber of virtual apps per compute resourcehelp
-autostartAutostart model created VMs (default true)help
-cluster intNumber of clusters (default 1)help
-dc intNumber of datacenters (default 1)help
-delay intMethod response delay across all methodshelp
-delay-jitter floatDelay jitter coefficient of variation (tip: 0.5 is a good starting value)help
-ds intNumber of local datastores (default 1)help
-esxSimulate standalone ESXhelp
-folder intNumber of foldershelp
-host intNumber of hosts per cluster (default 3)help
-l stringListen address for vcsim (default "127.0.0.1:8989")help
-load stringLoad model from directoryhelp
-method-delay stringDelay per method on the form 'method1:delay1,method2:delay2...'help
-nsx intNumber of NSX backed opaque networkshelp
-password stringLogin password for vcsim (any password allowed by default)help
-pg intNumber of port groups (default 1)help
-pg-nsx intNumber of NSX backed port groupshelp
-pod intNumber of storage pods per datacenterhelp
-pool intNumber of resource pools per compute resourcehelp
-standalone-host intNumber of standalone hosts (default 1)help
-stdinexitPress any key to exithelp
-tlsEnable TLS (default true)help
-tlscert stringPath to TLS certificate filehelp
-tlskey stringPath to TLS key filehelp
-traceTrace SOAP to -trace-filehelp
-trace-file stringTrace output file (defaults to stderr)help
-tunnel intSDK tunnel port (default -1)help
-username stringLogin username for vcsim (any username allowed by default)help
-vm intNumber of virtual machines per resource pool (default 2)help

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.