Add proxmox_network_diagnostic.sh
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257
proxmox_network_diagnostic.sh
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257
proxmox_network_diagnostic.sh
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#!/bin/bash
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# Colors for better readability
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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# Function to print colored text
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print_color() {
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local color=$1
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local text=$2
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echo -e "${color}${text}${NC}"
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}
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# Function to check if script is run as root
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check_root() {
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if [ "$EUID" -ne 0 ]; then
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print_color $RED "Please run this script as root"
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exit 1
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fi
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}
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# Function to test DNS resolution
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test_dns() {
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print_color $BLUE "\nTesting DNS Resolution..."
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echo "Current DNS servers:"
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cat /etc/resolv.conf | grep nameserver
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read -p "Enter a domain to test DNS resolution (default: google.com): " test_domain
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test_domain=${test_domain:-google.com}
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if dig +short "$test_domain" > /dev/null; then
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print_color $GREEN "DNS resolution successful for $test_domain"
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echo "IP Address: $(dig +short "$test_domain")"
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else
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print_color $RED "DNS resolution failed for $test_domain"
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fi
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}
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# Function to test specific ports
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test_ports() {
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print_color $BLUE "\nPort Testing Menu"
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echo "1. Test specific port"
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echo "2. Test common Proxmox ports (8006, 3128, 111, 5900-5999)"
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echo "3. Back to main menu"
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read -p "Select an option: " port_choice
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case $port_choice in
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1)
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read -p "Enter hostname/IP to test: " host
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read -p "Enter port number: " port
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if nc -zv $host $port 2>&1 | grep -q 'succeeded'; then
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print_color $GREEN "Port $port is open on $host"
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else
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print_color $RED "Port $port is closed on $host"
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fi
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;;
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2)
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print_color $YELLOW "Testing common Proxmox ports..."
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local ports=(8006 3128 111 5900 5999)
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for port in "${ports[@]}"; do
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if nc -zv localhost $port 2>&1 | grep -q 'succeeded'; then
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print_color $GREEN "Port $port is open"
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else
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print_color $RED "Port $port is closed"
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fi
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done
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;;
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3)
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return
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;;
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esac
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}
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# Function to check network interfaces
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check_interfaces() {
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print_color $BLUE "\nNetwork Interfaces Information:"
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echo "1. Show all interfaces"
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echo "2. Show specific interface details"
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echo "3. Show bridge information"
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echo "4. Back to main menu"
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read -p "Select an option: " int_choice
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case $int_choice in
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1)
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print_color $YELLOW "All Network Interfaces:"
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ip -c a
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;;
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2)
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ip -c link show
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read -p "Enter interface name to inspect: " interface
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if ip link show $interface >/dev/null 2>&1; then
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print_color $YELLOW "Details for interface $interface:"
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ip -c addr show $interface
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ethtool $interface 2>/dev/null || print_color $RED "ethtool not available"
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else
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print_color $RED "Interface $interface not found"
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fi
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;;
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3)
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print_color $YELLOW "Bridge Information:"
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brctl show 2>/dev/null || print_color $RED "brctl not installed. Installing..."
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if ! command -v brctl &> /dev/null; then
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apt-get update && apt-get install -y bridge-utils
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brctl show
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fi
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;;
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4)
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return
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;;
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esac
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}
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# Function to test network connectivity
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test_connectivity() {
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print_color $BLUE "\nNetwork Connectivity Tests:"
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echo "1. Basic ping test"
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echo "2. MTR trace"
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echo "3. Bandwidth test"
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echo "4. Back to main menu"
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read -p "Select an option: " conn_choice
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case $conn_choice in
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1)
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read -p "Enter host to ping (default: 8.8.8.8): " ping_host
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ping_host=${ping_host:-8.8.8.8}
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ping -c 4 $ping_host
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;;
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2)
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if ! command -v mtr &> /dev/null; then
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print_color $YELLOW "MTR not found. Installing..."
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apt-get update && apt-get install -y mtr-tiny
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fi
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read -p "Enter host to trace (default: 8.8.8.8): " trace_host
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trace_host=${trace_host:-8.8.8.8}
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mtr -r $trace_host
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;;
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3)
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if ! command -v iperf3 &> /dev/null; then
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print_color $YELLOW "iperf3 not found. Installing..."
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apt-get update && apt-get install -y iperf3
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fi
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print_color $YELLOW "Starting iperf3 server..."
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iperf3 -s &
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sleep 2
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print_color $YELLOW "Testing local bandwidth..."
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iperf3 -c localhost
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killall iperf3
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;;
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4)
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return
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;;
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esac
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}
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# Function to check network card information
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check_network_cards() {
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print_color $BLUE "\nNetwork Card Information:"
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echo "1. Show PCI network devices"
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echo "2. Show detailed network card info"
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echo "3. Show driver information"
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echo "4. Back to main menu"
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read -p "Select an option: " card_choice
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case $card_choice in
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1)
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print_color $YELLOW "PCI Network Devices:"
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lspci | grep -i ethernet
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;;
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2)
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print_color $YELLOW "Detailed Network Card Information:"
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if ! command -v lshw &> /dev/null; then
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print_color $YELLOW "lshw not found. Installing..."
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apt-get update && apt-get install -y lshw
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fi
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lshw -class network
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;;
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3)
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print_color $YELLOW "Network Driver Information:"
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for i in $(ls /sys/class/net/); do
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print_color $GREEN "\nDriver info for $i:"
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ethtool -i $i 2>/dev/null || echo "No driver information available"
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done
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;;
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4)
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return
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;;
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esac
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}
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# Function to display firewall status
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check_firewall() {
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print_color $BLUE "\nFirewall Status:"
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echo "1. Show Proxmox firewall status"
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echo "2. Show iptables rules"
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echo "3. Back to main menu"
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read -p "Select an option: " fw_choice
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case $fw_choice in
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1)
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print_color $YELLOW "Proxmox Firewall Status:"
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pvesh get /nodes/$(hostname)/firewall/rules
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;;
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2)
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print_color $YELLOW "IPTables Rules:"
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iptables -L -v -n
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;;
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3)
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return
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;;
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esac
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}
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# Main menu function
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main_menu() {
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while true; do
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print_color $BLUE "\nProxmox Network Diagnostic Tool"
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echo "1. Test DNS Resolution"
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echo "2. Test Ports"
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echo "3. Check Network Interfaces"
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echo "4. Test Network Connectivity"
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echo "5. Check Network Cards"
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echo "6. Check Firewall Status"
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echo "7. Exit"
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read -p "Select an option: " choice
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case $choice in
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1) test_dns ;;
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2) test_ports ;;
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3) check_interfaces ;;
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4) test_connectivity ;;
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5) check_network_cards ;;
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6) check_firewall ;;
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7)
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print_color $GREEN "Exiting..."
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exit 0
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;;
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*)
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print_color $RED "Invalid option"
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;;
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esac
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read -p "Press Enter to continue..."
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done
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}
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# Script entry point
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check_root
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main_menu
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