Arr logs

AxoSyslog can collect logs of the Lidarr, Prowlarr, Radarr, Readarr, Sonarr, and Whisparr (often referred to as “*Arr” or “*Arrs”) applications.

Use the *arr() sources to read various *arr logs:

  • lidarr()
  • prowlarr()
  • radarr()
  • readarr()
  • sonarr()
  • whisparr()

Prerequisites

  • AxoSyslog version 4.7.0 or later.

  • Install the axosyslog-scl package on Debian/Ubuntu. On RHEL and compatible distributions, the SCL files are part of the axosyslog base package.

    Your configuration must also contain @include "scl.conf", which the default configuration file already does. If the SCL files are missing, AxoSyslog fails to start with an unexpected LL_IDENTIFIER error.

    Terminal window
    @include "scl.conf"

    The radarr() driver is a reusable configuration snippet (SCL). For details on using or writing such configuration snippets, see Reusing configuration blocks. You can find its source in scl/arr/arr.conf on GitHub.

Configuration

Example minimal config:

Terminal window
source s_radarr {
    radarr(
    dir("/path/to/my/radarr/log/dir")
    );
};

The logging module is stored in the <prefix><module> name-value pair, for example: .radarr.module => ImportListSyncService.

You can modify the prefix with the prefix() option.

Last modified September 30, 2026: Misc typo fixes (fcbadb27)