var ctx = document.getElementById("histogram");

var myChart = new Chart(ctx, {
  type: "line",
  options: {
    aspectRatio: 4,
    },
            data: {
                labels: labels,
                datasets: datasets
            },
            options: {
                responsive: true,
                maintainAspectRatio: false,

                scales: {
                    y: {
                        stacked: true,
                        beginAtZero: true,
                        title: {
                            display: true,
                            text: 'SSH login attempts'
                        }
                    },
                },
                layout: {
                    padding: {
                        left: 20,
                        right: 20,
                        top: 20,
                        bottom: 20
                    }
                }
            }
});