add debug network connection script

network/debug_network_connection_to_site.sh

@@ -0,0 +1,84 @@
+#!/bin/bash
+
+OUT="wifi_debug_$(date +%Y%m%d_%H%M%S).txt"
+
+{
+echo "===== DATE ====="
+date
+
+echo
+echo "===== HOST ====="
+hostnamectl
+
+echo
+echo "===== PUBLIC IP ====="
+curl -4 -s ifconfig.me || true
+echo
+
+#echo
+#echo "===== INTERFACES ====="
+#ip addr
+#
+#echo
+#echo "===== ROUTES ====="
+#ip route
+#
+#echo
+#echo "===== DNS ====="
+#resolvectl status
+#
+#echo
+#echo "===== WIFI INFO ====="
+#nmcli device wifi
+#
+#echo
+#echo "===== ACTIVE CONNECTION ====="
+#nmcli connection show --active
+#
+#echo
+#echo "===== LINK STATUS ====="
+#iw dev
+#
+#echo
+#echo "===== RFKILL ====="
+#rfkill list
+
+echo
+echo "===== GATEWAY PING ====="
+ping -c 4 $(ip route | awk '/default/ {print $3; exit}')
+
+echo
+echo "===== INTERNET PING ====="
+ping -c 4 1.1.1.1
+
+echo
+echo "===== DNS TEST ====="
+dig google.com
+
+echo
+echo "===== SITE DNS ====="
+dig leo-test.store
+
+echo
+echo "===== HTTPS TEST ====="
+curl -Iv https://$1
+
+echo
+echo "===== PORT TEST ====="
+nc -vz leo-test.store 443
+
+echo
+echo "===== TRACEROUTE ====="
+traceroute 212.227.93.40
+
+echo
+echo "===== OPENSSL ====="
+timeout 10 openssl s_client -connect $1:443 </dev/null
+
+echo
+echo "===== JOURNAL WIFI ====="
+journalctl -b | grep -Ei 'wifi|wlan|wlp|networkmanager|dhcp' | tail -100
+
+} > "$OUT" 2>&1
+
+echo "Saved to $OUT"