This Ansible role configures the Linux kernel parameters.
None.
| Variable | Default | Comments |
|---|---|---|
sysctl_conf |
{} |
Dictionary of kernel parameters (key-value pairs) to save into /etc/sysctl.conf |
sysctl_d_clear |
false |
Remove any left over configuration files from /etc/sysctl.d/, that are not defined using this role. |
sysctl_d_clear_whitelist |
[] |
When using sysctl_d_clear the files listed on the whitelist will not be deleted. |
sysctl_d |
[] |
List of kernel configuration files to go in /etc/sysctl.d/ |
sysctl_d.filerequired |
File name (without extension) | |
sysctl_d.order |
00 |
File order as a two-digit number |
sysctl_d.parameters |
{} |
Dictionary of kernel parameters (key-value pairs) |
- hosts: all
vars:
sysctl_conf:
vm.dirty_ratio: 20
vm.dirty_background_ratio: 15
sysctl_d_clear: true
sysctl_d_clear_whitelist:
- "99-foo.conf"
sysctl_d:
# creates a file '10-network.conf'
- file: network
order: 10
parameters:
net.ipv4.tcp_syncookies: true
net.ipv4.ip_forward: false
# creates a file '20-security.conf'
- file: security
order: 20
parameters:
kernel.dmesg_restrict: true
roles:
- aisbergg.sysctlMIT
Andre Lehmann ([email protected])
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