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<!--startmeta
custom_edit_url: "https://github.com/netdata/netdata/edit/master/src/go/collectors/go.d.plugin/modules/filecheck/README.md"
meta_yaml: "https://github.com/netdata/netdata/edit/master/src/go/collectors/go.d.plugin/modules/filecheck/metadata.yaml"
sidebar_label: "Files and directories"
learn_status: "Published"
learn_rel_path: "Collecting Metrics/Linux Systems"
most_popular: False
message: "DO NOT EDIT THIS FILE DIRECTLY, IT IS GENERATED BY THE COLLECTOR'S metadata.yaml FILE"
endmeta-->
# Files and directories
<img src="https://netdata.cloud/img/filesystem.svg" width="150"/>
Plugin: go.d.plugin
Module: filecheck
<img src="https://img.shields.io/badge/maintained%20by-Netdata-%2300ab44" />
## Overview
This collector monitors files and directories.
This collector is supported on all platforms.
This collector supports collecting metrics from multiple instances of this integration, including remote instances.
This collector requires the DAC_READ_SEARCH capability, but it is set automatically during installation, so no manual configuration is needed.
### Default Behavior
#### Auto-Detection
This integration doesn't support auto-detection.
#### Limits
The default configuration for this integration does not impose any limits on data collection.
#### Performance Impact
The default configuration for this integration is not expected to impose a significant performance impact on the system.
## Metrics
Metrics grouped by *scope*.
The scope defines the instance that the metric belongs to. An instance is uniquely identified by a set of labels.
### Per Files and directories instance
TBD
This scope has no labels.
Metrics:
| Metric | Dimensions | Unit |
|:------|:----------|:----|
| filecheck.file_existence | a dimension per file | boolean |
| filecheck.file_mtime_ago | a dimension per file | seconds |
| filecheck.file_size | a dimension per file | bytes |
| filecheck.dir_existence | a dimension per directory | boolean |
| filecheck.dir_mtime_ago | a dimension per directory | seconds |
| filecheck.dir_num_of_files | a dimension per directory | files |
| filecheck.dir_size | a dimension per directory | bytes |
## Alerts
There are no alerts configured by default for this integration.
## Setup
### Prerequisites
No action required.
### Configuration
#### File
The configuration file name for this integration is `go.d/filecheck.conf`.
You can edit the configuration file using the `edit-config` script from the
Netdata [config directory](https://github.com/netdata/netdata/blob/master/docs/netdata-agent/configuration.md#the-netdata-config-directory).
```bash
cd /etc/netdata 2>/dev/null || cd /opt/netdata/etc/netdata
sudo ./edit-config go.d/filecheck.conf
```
#### Options
The following options can be defined globally: update_every, autodetection_retry.
<details><summary>Config options</summary>
| Name | Description | Default | Required |
|:----|:-----------|:-------|:--------:|
| update_every | Data collection frequency. | 10 | no |
| autodetection_retry | Recheck interval in seconds. Zero means no recheck will be scheduled. | 0 | no |
| files | Files matching the selector will be monitored. | | yes |
| dirs | List of directories to monitor. | | yes |
| discovery_every | Files and directories discovery interval. | 60 | no |
##### files
Files matching the selector will be monitored.
- Logic: (pattern1 OR pattern2) AND !(pattern3 or pattern4)
- Pattern syntax: [shell file name pattern](https://golang.org/pkg/path/filepath/#Match)
- Syntax:
```yaml
files:
includes:
- pattern1
- pattern2
excludes:
- pattern3
- pattern4
```
##### dirs
Directories matching the selector will be monitored.
- Logic: (pattern1 OR pattern2) AND !(pattern3 or pattern4)
- Pattern syntax: [shell file name pattern](https://golang.org/pkg/path/filepath/#Match)
- Syntax:
```yaml
dirs:
includes:
- pattern1
- pattern2
excludes:
- pattern3
- pattern4
```
</details>
#### Examples
##### Files
Files monitoring example configuration.
<details><summary>Config</summary>
```yaml
jobs:
- name: files_example
files:
include:
- '/path/to/file1'
- '/path/to/file2'
- '/path/to/*.log'
```
</details>
##### Directories
Directories monitoring example configuration.
<details><summary>Config</summary>
```yaml
jobs:
- name: files_example
dirs:
collect_dir_size: no
include:
- '/path/to/dir1'
- '/path/to/dir2'
- '/path/to/dir3*'
```
</details>
## Troubleshooting
### Debug Mode
To troubleshoot issues with the `filecheck` collector, run the `go.d.plugin` with the debug option enabled. The output
should give you clues as to why the collector isn't working.
- Navigate to the `plugins.d` directory, usually at `/usr/libexec/netdata/plugins.d/`. If that's not the case on
your system, open `netdata.conf` and look for the `plugins` setting under `[directories]`.
```bash
cd /usr/libexec/netdata/plugins.d/
```
- Switch to the `netdata` user.
```bash
sudo -u netdata -s
```
- Run the `go.d.plugin` to debug the collector:
```bash
./go.d.plugin -d -m filecheck
```
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