25 lines
919 B
Nix
25 lines
919 B
Nix
import ./make-test.nix ({ pkgs, ...} : {
|
|
name = "sysctl";
|
|
meta = with pkgs.stdenv.lib.maintainers; {
|
|
maintainers = [ nequissimus ];
|
|
};
|
|
|
|
machine = { config, lib, pkgs, ... }:
|
|
{
|
|
boot.kernelPackages = pkgs.linuxPackages;
|
|
boot.kernel.sysctl = {
|
|
"kernel.dmesg_restrict" = true; # Restrict dmesg access
|
|
"net.core.bpf_jit_enable" = false; # Turn off bpf JIT
|
|
"user.max_user_namespaces" = 0; # Disable user namespaces
|
|
"vm.swappiness" = 2; # Low swap usage
|
|
};
|
|
};
|
|
|
|
testScript =
|
|
''
|
|
$machine->succeed("sysctl kernel.dmesg_restrict | grep 'kernel.dmesg_restrict = 1'");
|
|
$machine->succeed("sysctl net.core.bpf_jit_enable | grep 'net.core.bpf_jit_enable = 0'");
|
|
$machine->succeed("sysctl user.max_user_namespaces | grep 'user.max_user_namespaces = 0'");
|
|
$machine->succeed("sysctl vm.swappiness | grep 'vm.swappiness = 2'");
|
|
'';
|
|
})
|