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% DLT-DAEMON(1)
# NAME
**dlt-daemon** - Diagnostic Log and Trace daemon
# SYNOPSIS
**dlt-daemon** \[**-h**\] \[**-d**\] \[**-c** filename\] \[**-t** directory\] \[**-p** port\] \[**-a** filename\]
# DESCRIPTION
The DLT daemon is the central place where logs and traces are gathered
from different applications, stored temporarily or permanently and
transferred to a DLT client application, which can run directly on the
COVESA system or more likely on a external tester device.
## OPTIONS
-h
: Display a short help text.
-d
: Daemonize, needed in System V init systems.
-c
: Load an alternative configuration file. By default the configuration file /etc/dlt.conf is loaded.
-t
: Directory for local fifo and user-pipes (Default: /tmp).
Applications wanting to connect to a daemon using a custom directory need to be started with the environment variable DLT_PIPE_DIR set appropriately.
-p
: Port to monitor for incoming requests (Default: 3490)
Applications wanting to connect to a daemon using a custom
port need to be started with the environment variable
DLT_DAEMON_TCP_PORT set appropriately.
-a
: Load an alternative configuration for app id log level defaults.
By default, the configuration file /etc/dlt-log-levels.conf is loaded.
-l
: Load an alternative trace load configuration file. By default the configuration file /etc/dlt-trace-load.conf is loaded.
# EXAMPLES
Start DLT daemon in background mode:
**dlt-daemon -d**
Start DLT daemon with own configuration:
**dlt-daemon -c ~/my-dlt-configuration.cfg**
Start DLT daemon with custom pipes directory:
**dlt-daemon -t ~/dlt_pipes**
Start DLT daemon listening on custom port 3500:
**dlt-daemon -p 3500**
# EXIT STATUS
Non zero is returned in case of failure.
# AUTHOR
Alexander Wenzel (alexander.aw.wenzel (at) bmw (dot) de)
# COPYRIGHT
Copyright (C) 2016 BMW AG. License MPL-2.0: Mozilla Public License version 2.0 <http://mozilla.org/MPL/2.0/>.
# BUGS
See Github issue: <https://github.com/COVESA/dlt-daemon/issues>
# SEE ALSO
**dlt.conf(5)**, **dlt-system(1)**
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