sysctl -a | rjc sysctl

{
    "resources": {
        "key1": String,
        "key2": String,
        "key3": String,
        ...
    }
}

$ sysctl -a | rjc -o=pretty sysctl
{
    "resources":{
        "kernel.random.uuid": "a7621fac-3aab-4c5f-8027-4fdc5db3cd09",
        "vm.dirty_ratio": "20",
        "net.ipv4.conf.lo.accept_source_route": "0",
        ...
    }
}