---
name: "olad"
section: "1"
platform: "linux"
package: "ola"
version: "0.10.9.nojsmin-7.1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/olad"
---

# olad(1)

The Open Lighting Architecture Daemon

## NAME

olad - The Open Lighting Architecture Daemon

## SYNOPSIS

**olad** \[options\]

## DESCRIPTION

**olad** is the Open Lighting Architecture (OLA) daemon. It handles communication with DMX512 / RDM hardware devices and remote network hosts via various lighting control protocols.

## OPTIONS

- \-c, --config-dir \<string\>

  The path to the config directory, defaults to ~/.ola/ on \*nix and %LOCALAPPDATA%.ola on Windows.

- \-d, --http-data-dir \<string\>

  The path to the static www content.

- \-f, --daemon

  Fork and run as a background process.

- \-h, --help

  Display the help message

- \-i, --interface \<string\>

  The interface name (e.g. eth0) or IP address of the network interface to use for the web server.

- \-l, --log-level \<int8\_t\>

  Set the logging level 0 .. 4. See LOGGING.

- \-p, --http-port \<uint16\_t\>

  The port to run the HTTP server on. Defaults to 9090.

- \-r, --rpc-port \<uint16\_t\>

  The port to listen for RPCs on. Defaults to 9010.

- \-v, --version

  Print **olad** version information

- \--no-http

  Disable the HTTP server.

- \--no-http-quit

  Disable the HTTP /quit handler.

- \--no-register-with-dns-sd

  Don't register the web service using DNS-SD (Bonjour).

- \--no-use-async-libusb

  Disable the use of the asynchronous libusb calls, revert to synchronous

- \--no-use-epoll

  Disable the use of epoll(), revert to select()

- \--no-use-kqueue

  Disable the use of kqueue(), revert to select()

- \--pid-location \<string\>

  The directory containing the PID definitions.

- \--scheduler-policy \<policy\>

  The thread scheduling policy, one of {fifo, rr}.

- \--scheduler-priority \<priority\>

  The thread priority, only used if --scheduler-policy is set.

- \--syslog

  Send to syslog rather than stderr.

## LOGGING

**olad** can either log to **[stderr(4)](/stderr/4.md)** or **syslog(5).** Each log level includes those of higher severity.

- 0

  No logging.

- 1

  Fatal logging.

- 2

  Warnings.

- 3

  Informational logging.

- 4

  Debug logging.

## SIGNALS

Once running, the following signals control the behavior of olad:

- SIGHUP

  Reloads the plugins.

- SIGUSR1

  Increases the logging level, eventually wrapping

## SEE ALSO

**[ola\_dmxconsole(1)](/ola_dmxconsole/1.md)**, **[ola\_dmxmonitor(1)](/ola_dmxmonitor/1.md)**,