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5 changed files with 197 additions and 66 deletions
186
app/api/stats/route.ts
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186
app/api/stats/route.ts
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import { execSync } from "child_process";
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import fs from "fs";
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import { NextResponse } from "next/server";
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function readFile(path: string): string | null {
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try {
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return fs.readFileSync(path, "utf8").trim();
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} catch {
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return null;
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}
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}
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function exec(cmd: string): string | null {
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try {
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return execSync(cmd, { timeout: 3000 }).toString().trim();
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} catch {
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return null;
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}
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}
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function getMemory() {
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const raw = readFile("/proc/meminfo");
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if (!raw) return null;
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const lines: Record<string, number> = {};
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for (const line of raw.split("\n")) {
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const [key, val] = line.split(":");
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if (key && val) {
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lines[key.trim()] = parseInt(val.trim());
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}
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}
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const total = lines["MemTotal"] ?? 0;
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const available = lines["MemAvailable"] ?? 0;
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const used = total - available;
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return {
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total: Math.round(total / 1024),
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used: Math.round(used / 1024),
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available: Math.round(available / 1024),
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percent: Math.round((used / total) * 100),
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};
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}
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function getCpu() {
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// Take two samples 100ms apart to calculate usage
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const sample = () => {
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const raw = readFile("/proc/stat");
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if (!raw) return null;
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const line = raw.split("\n")[0];
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const parts = line.split(/\s+/).slice(1).map(Number);
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const idle = parts[3];
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const total = parts.reduce((a, b) => a + b, 0);
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return { idle, total };
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};
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const s1 = sample();
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execSync("sleep 0.2");
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const s2 = sample();
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if (!s1 || !s2) return null;
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const idleDiff = s2.idle - s1.idle;
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const totalDiff = s2.total - s1.total;
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const percent = Math.round((1 - idleDiff / totalDiff) * 100);
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const model =
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exec("grep 'model name' /proc/cpuinfo | head -1 | cut -d: -f2") ??
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"Unknown";
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const cores =
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exec("grep -c '^processor' /proc/cpuinfo") ?? "?";
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return {
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percent,
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model: model.trim(),
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cores: parseInt(cores),
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};
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}
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function getTemperature() {
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// Try common thermal zone paths
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const paths = [
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"/sys/class/thermal/thermal_zone0/temp",
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"/sys/class/thermal/thermal_zone1/temp",
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"/sys/class/hwmon/hwmon0/temp1_input",
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];
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for (const path of paths) {
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const raw = readFile(path);
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if (raw) {
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return Math.round(parseInt(raw) / 1000);
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}
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}
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// Try sensors command as fallback
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const sensors = exec("sensors 2>/dev/null | grep 'Core 0' | head -1");
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if (sensors) {
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const match = sensors.match(/\+(\d+\.\d+)/);
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if (match) return parseFloat(match[1]);
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}
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return null;
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}
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function getDisk() {
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const raw = exec("df -B1 /");
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if (!raw) return null;
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const lines = raw.split("\n");
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const parts = lines[1].split(/\s+/);
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const total = parseInt(parts[1]);
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const used = parseInt(parts[2]);
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const available = parseInt(parts[3]);
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return {
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total: Math.round(total / 1024 / 1024 / 1024),
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used: Math.round(used / 1024 / 1024 / 1024),
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available: Math.round(available / 1024 / 1024 / 1024),
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percent: Math.round((used / total) * 100),
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};
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}
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function getUptime() {
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const raw = readFile("/proc/uptime");
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if (!raw) return null;
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const seconds = parseFloat(raw.split(" ")[0]);
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const days = Math.floor(seconds / 86400);
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const hours = Math.floor((seconds % 86400) / 3600);
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const minutes = Math.floor((seconds % 3600) / 60);
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return { seconds, days, hours, minutes };
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}
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function getNetwork() {
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const raw = readFile("/proc/net/dev");
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if (!raw) return null;
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const ifaces: Record<string, { rx: number; tx: number }> = {};
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for (const line of raw.split("\n").slice(2)) {
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const parts = line.trim().split(/\s+/);
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if (parts.length < 10) continue;
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const name = parts[0].replace(":", "");
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if (name === "lo") continue;
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ifaces[name] = {
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rx: parseInt(parts[1]),
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tx: parseInt(parts[9]),
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};
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}
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return ifaces;
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}
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function getServices() {
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const services = ["caddy", "syncthing", "sshd", "cloudflare-dyndns"];
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const result: Record<string, string> = {};
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for (const svc of services) {
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result[svc] = exec(`systemctl is-active ${svc}`) ?? "unknown";
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}
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return result;
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}
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function getLoadAverage() {
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const raw = readFile("/proc/loadavg");
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if (!raw) return null;
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const parts = raw.split(" ");
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return {
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"1m": parseFloat(parts[0]),
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"5m": parseFloat(parts[1]),
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"15m": parseFloat(parts[2]),
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};
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}
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export async function GET() {
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const [memory, cpu, disk, uptime, network, services, loadAvg, temperature] =
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await Promise.all([
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getMemory(),
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getCpu(),
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getDisk(),
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getUptime(),
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getNetwork(),
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getServices(),
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getLoadAverage(),
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getTemperature(),
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]);
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return NextResponse.json({
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timestamp: new Date().toISOString(),
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memory,
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cpu,
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disk,
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uptime,
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network,
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services,
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loadAvg,
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temperature,
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});
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}
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@ -13,10 +13,10 @@
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}
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@media (prefers-color-scheme: dark) {
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:root {
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--background: #0a0a0a;
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--foreground: #ededed;
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}
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:root {
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--background: #ffffff;
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--foreground: #171717;
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}
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}
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body {
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65
app/page.tsx
65
app/page.tsx
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@ -1,65 +1,8 @@
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import Image from "next/image";
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export default function Home() {
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export default async function Home() {
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return (
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<div className="flex flex-col flex-1 items-center justify-center bg-zinc-50 font-sans dark:bg-black">
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<main className="flex flex-1 w-full max-w-3xl flex-col items-center justify-between py-32 px-16 bg-white dark:bg-black sm:items-start">
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<Image
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className="dark:invert"
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src="/next.svg"
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alt="Next.js logo"
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width={100}
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height={20}
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priority
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/>
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<div className="flex flex-col items-center gap-6 text-center sm:items-start sm:text-left">
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<h1 className="max-w-xs text-3xl font-semibold leading-10 tracking-tight text-black dark:text-zinc-50">
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To get started, edit the page.tsx file.
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</h1>
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<p className="max-w-md text-lg leading-8 text-zinc-600 dark:text-zinc-400">
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Looking for a starting point or more instructions? Head over to{" "}
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<a
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href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
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className="font-medium text-zinc-950 dark:text-zinc-50"
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>
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Templates
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</a>{" "}
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or the{" "}
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<a
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href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
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className="font-medium text-zinc-950 dark:text-zinc-50"
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>
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Learning
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</a>{" "}
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center.
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</p>
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</div>
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<div className="flex flex-col gap-4 text-base font-medium sm:flex-row">
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<a
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className="flex h-12 w-full items-center justify-center gap-2 rounded-full bg-foreground px-5 text-background transition-colors hover:bg-[#383838] dark:hover:bg-[#ccc] md:w-[158px]"
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href="https://vercel.com/new?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
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target="_blank"
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rel="noopener noreferrer"
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>
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<Image
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className="dark:invert"
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src="/vercel.svg"
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alt="Vercel logomark"
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width={16}
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height={16}
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/>
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Deploy Now
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</a>
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<a
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className="flex h-12 w-full items-center justify-center rounded-full border border-solid border-black/[.08] px-5 transition-colors hover:border-transparent hover:bg-black/[.04] dark:border-white/[.145] dark:hover:bg-[#1a1a1a] md:w-[158px]"
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href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
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target="_blank"
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rel="noopener noreferrer"
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>
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Documentation
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</a>
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</div>
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</main>
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<div className="flex flex-col w-full pt-[100px] md:px-[100px] px-[10px]">
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<h1 className="text-slate-600 text-[24pt]">Jack's Server Dashboard</h1>
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<div className="text-blue-400 text-[20pt]"><a href="https://syncthing.jackmechem.dev">Syncthing</a></div>
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</div>
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);
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}
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import type { NextConfig } from "next";
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const nextConfig: NextConfig = {
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/* config options here */
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allowedDevOrigins: ['dashboard.jackmechem.dev'],
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output: 'standalone',
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};
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export default nextConfig;
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1
package-lock.json
generated
1
package-lock.json
generated
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@ -3247,6 +3247,7 @@
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"integrity": "sha512-whOE1HFo/qJDyX4SnXzP4N6zOWn79WhnCUY/iDR0mPfQZO8wcYE4JClzI2oZrhBnnMUCBCHZhO6VQyoBU95mZA==",
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"dev": true,
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"license": "MIT",
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"peer": true,
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"dependencies": {
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"@rtsao/scc": "^1.1.0",
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"array-includes": "^3.1.9",
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