From 35ad02beb053fc445974dc8a138265c35607f83c Mon Sep 17 00:00:00 2001
From: Brad Treloar <brad.treloar@pm.me>
Date: Thu, 26 Dec 2024 01:17:55 +1030
Subject: [PATCH] Started network monitoring docu

---
 docs/home-network/admin/monitoring.md | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 docs/home-network/admin/monitoring.md

diff --git a/docs/home-network/admin/monitoring.md b/docs/home-network/admin/monitoring.md
new file mode 100644
index 0000000..10e4cca
--- /dev/null
+++ b/docs/home-network/admin/monitoring.md
@@ -0,0 +1,14 @@
+# Network monitoring
+
+Discover all devices connected to the local network:
+
+```bash
+#!/bin/bash
+subnet="192.168.0"
+for suffix in $(seq 101 199); do
+    ip_address="$subnet.$suffix"
+    # Only wait 1 second for each response: ping should only take a few
+    # milliseconds on LAN.
+    ping -c 1 -W 1 $ip_address | grep "64 bytes from $ip_address" | awk '{ print $4 }' | sed s/://
+done
+```