sysctl - Manage entries in sysctl.conf.
Synopsis
- This module manipulates sysctl entries and optionally performs a
/sbin/sysctl -p
after changing them.
Parameters
Parameter | Choices/Defaults | Comments |
---|---|---|
ignoreerrors bool |
| Use this option to ignore errors about unknown keys. |
name required | The dot-separated path (aka key) specifying the sysctl variable. aliases: key | |
reload bool |
| 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 |
| Whether the entry should be present or absent in the sysctl file. |
sysctl_file | Default: "/etc/sysctl.conf" | Specifies the absolute path to sysctl.conf , if not /etc/sysctl.conf . |
sysctl_set bool (added in 1.5) |
| Verify token value with the sysctl command and set with -w if necessary |
value | 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
This module is flagged as core which means that it is maintained by the Ansible Core Team. See Module Maintenance & Support for more info.
For a list of other modules that are also maintained by the Ansible Core Team, see here.
Support
For more information about Red Hat’s support of this module, please refer to this Knowledge Base article
Author
- David CHANIAL (@davixx) <david.chanial@gmail.com>
Hint
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© 2012–2018 Michael DeHaan
© 2018–2019 Red Hat, Inc.
Licensed under the GNU General Public License version 3.
https://docs.ansible.com/ansible/2.6/modules/sysctl_module.html