Define: sysctl
Manage sysctl variable values.
Parameters:
$value: The value for the sysctl parameter. Mandatory, unless $ensure is 'absent'. $ensure: Whether the variable's value should be 'present' or 'absent'. Defaults to 'present'.
Sample Usage :
sysctl { 'net.ipv6.bindv6only': value => '1' }
[Validate]