Documentation

PLEASE NOTE: This document applies to latest version and not to the latest stable release v2.20

Documentation for other releases can be found by using the version selector in the top right of any doc page.

sysfs

Manage sysfs attributes for kernel and device configuration. Essential for IoT devices and embedded systems where hardware parameters need to be tuned at runtime.

Attributes

check_mode:
  support: full

Parameters

Parameter	Required	Type	Values	Description
path	true	string		sysfs attribute path.
state		string	present absent	Whether the attribute should be present or absent. [default: `"present"`]
value		string		Desired value of the sysfs attribute. Required when state=present.

Examples

- name: Set MTU for network interface
  sysfs:
    path: /sys/class/net/eth0/mtu
    value: "9000"

- name: Configure GPIO pin direction
  sysfs:
    path: /sys/class/gpio/gpio17/direction
    value: "out"

- name: Enable IP forwarding via sysfs
  sysfs:
    path: /proc/sys/net/ipv4/ip_forward
    value: "1"

- name: Set CPU governor
  sysfs:
    path: /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
    value: "performance"