ansible.posix.sysctl – Manage entries in sysctl.conf.
Note
This plugin is part of the ansible.posix collection (version 1.3.0).
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 | Choices/Defaults | Comments |
---|---|---|
ignoreerrors boolean |
| Use this option to ignore errors about unknown keys. |
name string / required | The dot-separated path (also known as key) specifying the sysctl variable. aliases: key | |
reload boolean |
| If yes , performs a /sbin/sysctl -p if the sysctl_file is updated. If no , does not reload sysctl even if the sysctl_file is updated. |
state string |
| Whether the entry should be present or absent in the sysctl file. |
sysctl_file path | Default: "/etc/sysctl.conf" | Specifies the absolute path to sysctl.conf , if not /etc/sysctl.conf . |
sysctl_set boolean |
| Verify token value with the sysctl command and set with -w if necessary |
value string | Desired value of the sysctl key. aliases: val |
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)
© 2012–2018 Michael DeHaan
© 2018–2021 Red Hat, Inc.
Licensed under the GNU General Public License version 3.
https://docs.ansible.com/ansible/latest/collections/ansible/posix/sysctl_module.html