---
name: "vpcd"
section: "8"
platform: "linux"
package: "powerman"
version: "2.3.27-2"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/vpcd"
---

# vpcd(8)

virtual power control daemon

## NAME

vpcd - virtual power control daemon

## SYNOPSIS

**vpcd** *\[--port PORT\]*

## DESCRIPTION

**vpcd** is a test program for PowerMan which emulates a remote power control device. It can be run interactively by the powerman daemon, or it can listen on a port of your choosing.

## OPTIONS

- *-p, --port PORT*

  Instructs **vpcd** to listen for connections on the specified port instead of using stdin/stdout.  Only one connection will be accepted.

## INTERACTIVE COMMANDS

The following commands are available at the vpcd\> prompt:

- *login*

  The login command must br run before any of the other commands will work. No username or password is required.

- *logoff*

  Return **vpcd** to the initial state.

- *stat PLUG\|\**

  Show the power status of PLUG.   If PLUG is \`\`\*'', perform this action on all plugs.

- *beacon PLUG\|\**

  Show the beacon status of PLUG. If PLUG is \`\`\*'', perform this action on all plugs.

- *temp PLUG\|\**

  Show the temperature of the node attached to PLUG. If PLUG is \`\`\*'', perform this action on all plugs.

- *spew COUNT*

  Print COUNT 80-char lines. This is the basis of a buffer handling test.

- *on PLUG\|\**

  Turn on PLUG. If PLUG is \`\`\*'', perform this action on all plugs.

- *off PLUG\|\**

  Turn off PLUG. If PLUG is \`\`\*'', perform this action on all plugs.

- *flash PLUG\|\**

  Light the beacon on PLUG. If PLUG is \`\`\*'', perform this action on all plugs.

- *unflash PLUG\|\**

  Unlight the beacon on PLUG. If PLUG is \`\`\*'', perform this action on all plugs.

- *reset PLUG\|\**

  Reset the node attached to PLUG. If PLUG is \`\`\*'', perform this action on all plugs.

## FILES

/usr/sbin/vpcd

## ORIGIN

PowerMan was originally developed by Andrew Uselton on LLNL's Linux clusters. This software is open source and distributed under the terms of the GNU GPL.

## SEE ALSO

[**powerman**(1)](/powerman/1.md), [**powermand**(8)](/powermand/8.md), [**httppower**(8)](/httppower/8.md), [**plmpower**(8)](/plmpower/8.md), [**vpcd**(8)](/vpcd/8.md), [**powerman.conf**(5)](/powerman.conf/5.md), [**powerman.dev**(5)](/powerman.dev/5.md).

**http://github.com/chaos/powerman**