ansible.posix.sysctl module – Manage entries in sysctl.conf.
Note
This module is part of the ansible.posix collection (version 1.4.0).
You might already have this collection installed if you are using the ansible
package.
It is not included in ansible-core
.
To check whether it is installed, run ansible-galaxy collection list
.
To install it, use: ansible-galaxy collection install ansible.posix
.
To use it in a playbook, specify: ansible.posix.sysctl
.
New in version 1.0.0: of ansible.posix
Synopsis
This module manipulates sysctl entries and optionally performs a
/sbin/sysctl -p
after changing them.
Parameters
Parameter |
Comments |
---|---|
Use this option to ignore errors about unknown keys. Choices:
|
|
The dot-separated path (also known as key) specifying the sysctl variable. |
|
If Choices:
|
|
Whether the entry should be present or absent in the sysctl file. Choices:
|
|
Specifies the absolute path to Default: “/etc/sysctl.conf” |
|
Verify token value with the sysctl command and set with -w if necessary Choices:
|
|
Desired value of the sysctl key. |
Examples
# Set vm.swappiness to 5 in /etc/sysctl.conf
- ansible.posix.sysctl:
name: vm.swappiness
value: '5'
state: present
# Remove kernel.panic entry from /etc/sysctl.conf
- ansible.posix.sysctl:
name: kernel.panic
state: absent
sysctl_file: /etc/sysctl.conf
# Set kernel.panic to 3 in /tmp/test_sysctl.conf
- ansible.posix.sysctl:
name: kernel.panic
value: '3'
sysctl_file: /tmp/test_sysctl.conf
reload: no
# Set ip forwarding on in /proc and verify token value with the sysctl command
- ansible.posix.sysctl:
name: net.ipv4.ip_forward
value: '1'
sysctl_set: yes
# Set ip forwarding on in /proc and in the sysctl file and reload if necessary
- ansible.posix.sysctl:
name: net.ipv4.ip_forward
value: '1'
sysctl_set: yes
state: present
reload: yes
Authors
David CHANIAL (@davixx)