sysctl - Manage entries in sysctl.conf.
Synopsis
- This module manipulates sysctl entries and optionally performs a
/sbin/sysctl -p
after changing them.
Options
parameter | required | default | choices | comments |
---|---|---|---|---|
ignoreerrors | no |
| Use this option to ignore errors about unknown keys. | |
name | yes | The dot-separated path (aka key) specifying the sysctl variable. aliases: key | ||
reload | no | yes |
| 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 | no | present |
| Whether the entry should be present or absent in the sysctl file. |
sysctl_file | no | /etc/sysctl.conf | Specifies the absolute path to sysctl.conf , if not /etc/sysctl.conf . | |
sysctl_set (added in 1.5)
| no |
| Verify token value with the sysctl command and set with -w if necessary | |
value | no | Desired value of the sysctl key. aliases: val |
Examples
# Set vm.swappiness to 5 in /etc/sysctl.conf - sysctl: name: vm.swappiness value: 5 state: present # Remove kernel.panic entry from /etc/sysctl.conf - sysctl: name: kernel.panic state: absent sysctl_file: /etc/sysctl.conf # Set kernel.panic to 3 in /tmp/test_sysctl.conf - sysctl: name: kernel.panic value: 3 sysctl_file: /tmp/test_sysctl.conf reload: no # Set ip forwarding on in /proc and do not reload the sysctl file - 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 - sysctl: name: net.ipv4.ip_forward value: 1 sysctl_set: yes state: present reload: yes
Status
This module is flagged as stableinterface which means that the maintainers for this module guarantee that no backward incompatible interface changes will be made.
Maintenance Info
For more information about Red Hat’s this support of this module, please refer to this knowledge base article<https://access.redhat.com/articles/rhel-top-support-policies>
For help in developing on modules, should you be so inclined, please read Community Information & Contributing, Testing Ansible and Developing Modules.
© 2012–2018 Michael DeHaan
© 2018–2019 Red Hat, Inc.
Licensed under the GNU General Public License version 3.
https://docs.ansible.com/ansible/2.4/sysctl_module.html