Sysctl
Sysctl allows for the modification of kernel attributes, and functions by creating/modifying files im the /proc/sys directory.
Example
VCFG
[sysctl]
  "net.ipv4.ip_forward" = "1"
CLI
$ vorteil run ./helloworld --sysctl net.ipv4.ip_forward=1
The above examples will result in /proc/sys/net/ipv4/ip_forward being created, with the value 1.