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This commit is contained in:
Vendored
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#!/bin/bash
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# =============================================
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# Welcome Script for Raspberry Pi/Debian Login
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# Displays comprehensive system information in an appealing format
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# =============================================
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# Function to print separators
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print_separator() {
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printf "%*s\n" "${COLUMNS:-$(tput cols)}" '' | tr ' ' '='
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}
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# Function to print section titles
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print_title() {
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echo -e "\n\033[1;34m$1\033[0m" # Bold blue
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print_separator
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}
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# Function to print labeled values
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print_value() {
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printf "\033[1;32m%-25s\033[0m %s\n" "$1:" "$2" # Bold green for label
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}
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# Function to detect system type
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detect_system_type() {
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local model=""
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local system_type=""
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# Check for Raspberry Pi
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if [ -f /proc/device-tree/model ]; then
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model=$(tr -d '\0' < /proc/device-tree/model)
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if [[ "$model" == *"Raspberry Pi"* ]]; then
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system_type="Raspberry Pi - $model"
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else
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system_type="ARM Device - $model"
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fi
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# Check for other common SBCs
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elif grep -q "Orange Pi" /proc/cpuinfo 2>/dev/null; then
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system_type="Orange Pi"
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elif grep -q "Banana Pi" /proc/cpuinfo 2>/dev/null; then
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system_type="Banana Pi"
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elif grep -q "Odroid" /proc/cpuinfo 2>/dev/null; then
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system_type="Odroid"
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# Check for x86/x86_64 systems
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elif grep -q "x86" /proc/cpuinfo 2>/dev/null; then
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if grep -q "64" /proc/cpuinfo 2>/dev/null; then
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system_type="x86_64 System"
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else
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system_type="x86 System"
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fi
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else
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system_type="Unknown System"
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fi
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echo "$system_type"
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}
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# Function to get processor info
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get_processor_info() {
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local processor=""
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local cores=""
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local architecture=""
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# Get processor model
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if [ -f /proc/cpuinfo ]; then
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processor=$(grep -m 1 "model name" /proc/cpuinfo | cut -d':' -f2 | sed 's/^ *//')
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if [ -z "$processor" ]; then
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processor=$(grep -m 1 "Processor" /proc/cpuinfo | cut -d':' -f2 | sed 's/^ *//')
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fi
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if [ -z "$processor" ]; then
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processor=$(grep -m 1 "Hardware" /proc/cpuinfo | cut -d':' -f2 | sed 's/^ *//')
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fi
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fi
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# Get number of cores
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cores=$(grep -c "^processor" /proc/cpuinfo 2>/dev/null)
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if [ -z "$cores" ] || [ "$cores" = "0" ]; then
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cores=$(nproc 2>/dev/null)
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fi
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# Get architecture
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architecture=$(uname -m 2>/dev/null)
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# Format output
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if [ -n "$processor" ]; then
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echo "$processor ($cores cores, $architecture)"
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else
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echo "Unknown ($cores cores, $architecture)"
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fi
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}
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# Function to get OS info
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get_os_info() {
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local os_name=""
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local os_version=""
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local kernel_version=""
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# Get OS name and version
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if [ -f /etc/os-release ]; then
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os_name=$(grep "^PRETTY_NAME=" /etc/os-release | cut -d'"' -f2)
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os_version=$(grep "^VERSION=" /etc/os-release | cut -d'"' -f2)
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elif [ -f /etc/debian_version ]; then
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os_name="Debian"
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os_version=$(cat /etc/debian_version)
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fi
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# Get kernel version
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kernel_version=$(uname -r)
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# Format output
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if [ -n "$os_name" ]; then
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if [ -n "$os_version" ]; then
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echo "$os_name $os_version (Kernel: $kernel_version)"
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else
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echo "$os_name (Kernel: $kernel_version)"
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fi
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else
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echo "Unknown OS (Kernel: $kernel_version)"
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fi
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}
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# Function to get GPU info (Raspberry Pi specific)
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get_gpu_info() {
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local gpu_mem=""
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local gpu_model=""
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# Check if vcgencmd is available (Raspberry Pi)
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if command -v vcgencmd >/dev/null 2>&1; then
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gpu_mem=$(vcgencmd get_mem gpu | cut -d'=' -f2)
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gpu_model="VideoCore IV"
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else
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gpu_mem="Not available"
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# Try to get GPU info from lspci
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if command -v lspci >/dev/null 2>&1; then
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gpu_model=$(lspci | grep -i vga | cut -d':' -f3 | sed 's/^ *//')
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if [ -z "$gpu_model" ]; then
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gpu_model="Unknown GPU"
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fi
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else
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gpu_model="Unknown GPU"
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fi
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fi
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echo "$gpu_model ($gpu_mem)"
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}
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# Function to get system load
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get_system_load() {
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local load_avg=""
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local uptime_info=""
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load_avg=$(uptime | awk -F'load average: ' '{print $2}')
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uptime_info=$(uptime -p)
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echo "Load: $load_avg | Uptime: $uptime_info"
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}
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# Function to get network connections
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get_network_connections() {
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local connections=""
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if command -v ss >/dev/null 2>&1; then
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connections=$(ss -s | grep "TCP:" | awk '{print $2 " connections"}')
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elif command -v netstat >/dev/null 2>&1; then
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connections=$(netstat -tun | grep -c ESTABLISHED)
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connections="$connections active connections"
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else
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connections="Not available"
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fi
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echo "$connections"
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}
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# =============================================
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# System Information
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# =============================================
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# Welcome header
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clear
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print_separator
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echo -e "\033[1;36m" # Bold cyan
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figlet -f small "Welcome to $(hostname)"
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echo -e "\033[0m"
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print_separator
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# System Overview
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print_title "System Overview"
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print_value "System Type" "$(detect_system_type)"
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print_value "Processor" "$(get_processor_info)"
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print_value "Operating System" "$(get_os_info)"
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print_value "GPU" "$(get_gpu_info)"
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print_value "System Load" "$(get_system_load)"
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# Current date and time
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print_title "General Information"
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print_value "Date/Time" "$(date '+%Y-%m-%d %H:%M:%S')"
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print_value "User" "$(whoami)"
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print_value "Hostname" "$(hostname)"
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print_value "IP Address" "$(hostname -I | awk '{print $1}')"
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print_value "Active Network Connections" "$(get_network_connections)"
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# =============================================
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# CPU Information
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# =============================================
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print_title "CPU Status"
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# CPU Temperature
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temp=$(vcgencmd measure_temp 2>/dev/null | awk -F'=' '{print $2}' | awk -F"'" '{print $1}')
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if [ -n "$temp" ]; then
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print_value "Temperature" "$temp°C"
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else
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# Try alternative method for non-RPi systems
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if [ -f /sys/class/thermal/thermal_zone0/temp ]; then
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temp=$(cat /sys/class/thermal/thermal_zone0/temp)
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temp=$(echo "scale=1; $temp/1000" | bc 2>/dev/null)
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print_value "Temperature" "${temp}°C"
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else
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print_value "Temperature" "Not available"
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fi
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fi
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# CPU Frequencies
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arm_freq=$(vcgencmd measure_clock arm 2>/dev/null | awk -F'=' '{print $2}')
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core_freq=$(vcgencmd measure_clock core 2>/dev/null | awk -F'=' '{print $2}')
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if [ -n "$arm_freq" ]; then
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print_value "ARM Frequency" "$(echo "scale=2; $arm_freq/1000000" | bc) MHz"
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fi
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if [ -n "$core_freq" ]; then
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print_value "Core Frequency" "$(echo "scale=2; $core_freq/1000000" | bc) MHz"
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fi
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# CPU Usage
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cpu_usage=$(top -bn1 | grep "Cpu(s)" | sed "s/.*, *\([0-9.]*\)%* id.*/\1/" | awk '{print 100 - $1}')
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print_value "CPU Usage" "$(printf "%.1f" $cpu_usage)%"
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# =============================================
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# Memory Information
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# =============================================
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print_title "Memory"
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# Total and used memory
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total_mem=$(free -m | awk '/Mem:/ {print $2}')
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used_mem=$(free -m | awk '/Mem:/ {print $3}')
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mem_percent=$(echo "scale=1; $used_mem/$total_mem*100" | bc)
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print_value "Total Memory" "$total_mem MB"
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print_value "Used Memory" "$used_mem MB ($mem_percent%)"
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# Swap information
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total_swap=$(free -m | awk '/Swap:/ {print $2}')
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used_swap=$(free -m | awk '/Swap:/ {print $3}')
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if [ "$total_swap" -gt 0 ]; then
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swap_percent=$(echo "scale=1; $used_swap/$total_swap*100" | bc)
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print_value "Total Swap" "$total_swap MB"
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print_value "Used Swap" "$used_swap MB ($swap_percent%)"
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else
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print_value "Swap" "Not enabled"
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fi
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# =============================================
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# Storage Information
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# =============================================
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print_title "Storage"
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# Disk space
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root_usage=$(df -h / | awk 'NR==2 {print $5}')
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root_size=$(df -h / | awk 'NR==2 {print $2}')
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root_avail=$(df -h / | awk 'NR==2 {print $4}')
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print_value "Root Partition" "$root_size total, $root_usage used, $root_avail available"
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# Boot partition space (if exists)
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if [ -d "/boot" ]; then
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boot_usage=$(df -h /boot | awk 'NR==2 {print $5}')
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boot_size=$(df -h /boot | awk 'NR==2 {print $2}')
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boot_avail=$(df -h /boot | awk 'NR==2 {print $4}')
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print_value "Boot Partition" "$boot_size total, $boot_usage used, $boot_avail available"
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fi
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# Disk I/O (if available)
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if command -v iostat >/dev/null 2>&1; then
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disk_io=$(iostat -d -x 1 1 | grep -A1 "Device" | tail -n +2)
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if [ -n "$disk_io" ]; then
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print_value "Disk I/O" "\n$disk_io"
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fi
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fi
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# =============================================
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# Network Information
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# =============================================
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print_title "Network"
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# Network interfaces
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interfaces=$(ip -o link show | awk -F': ' '{print $2}' | tr '\n' ' ')
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print_value "Interfaces" "$interfaces"
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# IP addresses for each interface
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for iface in $(ip -o link show | awk -F': ' '{print $2}'); do
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ip_addr=$(ip -4 addr show $iface 2>/dev/null | grep -oP '(?<=inet\s)\d+(\.\d+){3}' | tr '\n' ' ')
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if [ -n "$ip_addr" ]; then
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print_value " $iface IP" "$ip_addr"
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fi
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done
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# Network speed (if available)
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if command -v ethtool >/dev/null 2>&1; then
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for iface in eth0 enp0s3 enx*; do
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if ip link show $iface >/dev/null 2>&1; then
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eth_speed=$(ethtool $iface 2>/dev/null | grep -i speed | awk '{print $2}')
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if [ -n "$eth_speed" ]; then
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print_value " $iface Speed" "$eth_speed"
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fi
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fi
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done
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fi
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# Network connections
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print_value "Active Connections" "$(get_network_connections)"
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# =============================================
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# Additional System Information
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# =============================================
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print_title "Additional Information"
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# Last login - with fallback if 'last' command is not available
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if command -v last >/dev/null 2>&1; then
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last_login=$(last -n 1 $(whoami) 2>/dev/null | head -n 1 | awk '{print $1, $2, $3, $4, $5, $6, $7}')
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if [ -z "$last_login" ]; then
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last_login="No login history found"
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fi
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else
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last_login="Command 'last' not available"
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fi
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print_value "Last Login" "$last_login"
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# Users currently logged in
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if command -v who >/dev/null 2>&1; then
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current_users=$(who | awk '{print $1}' | sort | uniq | paste -sd ",")
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if [ -z "$current_users" ]; then
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current_users="No users logged in"
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fi
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else
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current_users="Command 'who' not available"
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fi
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print_value "Logged in Users" "$current_users"
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# System uptime in different formats
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if command -v uptime >/dev/null 2>&1; then
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uptime_pretty=$(uptime -p)
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uptime_since=$(uptime -s)
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print_value "Uptime" "$uptime_pretty (since $uptime_since)"
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else
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print_value "Uptime" "Command 'uptime' not available"
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fi
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# Running services (top 5 by memory)
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print_title "Running Services"
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if command -v systemctl >/dev/null 2>&1; then
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echo -e "\033[1;32m UNIT LOAD ACTIVE SUB DESCRIPTION\033[0m"
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echo -e " ----------------------------------------------------------------"
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systemctl list-units --type=service --state=running --no-pager | head -n 6 | tail -n +2 | while read -r line; do
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unit=$(echo "$line" | awk '{print $1}')
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load=$(echo "$line" | awk '{print $2}')
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active=$(echo "$line" | awk '{print $3}')
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sub=$(echo "$line" | awk '{print $4}')
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desc=$(echo "$line" | awk '{for(i=5;i<=NF;i++) printf $i" "; print ""}')
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# Truncate long descriptions
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if [ ${#desc} -gt 40 ]; then
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desc="${desc:0:37}..."
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fi
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printf " \033[1;37m%-23s\033[0m \033[1;35m%-6s\033[0m \033[1;36m%-6s\033[0m \033[1;34m%-6s\033[0m %s\n" "$unit" "$load" "$active" "$sub" "$desc"
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done
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else
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print_value "Running Services" "systemctl not available"
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fi
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# # Scheduled tasks (cron jobs)
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# print_title "Scheduled Tasks"
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# if command -v crontab >/dev/null 2>&1; then
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# if crontab -l 2>/dev/null | grep -q .; then
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# echo -e "\033[1;32m User Crontab:\033[0m"
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# crontab -l 2>/dev/null | sed 's/^/ /'
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# else
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# echo -e " \033[1;33mNo user crontab entries\033[0m"
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# fi
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# if [ -d /etc/cron.d ] || [ -f /etc/crontab ]; then
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# echo -e "\n\033[1;32m System Crontab:\033[0m"
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# if [ -f /etc/crontab ]; then
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# cat /etc/crontab 2>/dev/null | grep -v "^#" | grep -v "^$" | sed 's/^/ /'
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# fi
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# if [ -d /etc/cron.d ]; then
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# for cronfile in /etc/cron.d/*; do
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# if [ -f "$cronfile" ]; then
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# echo -e "\n\033[1;32m $cronfile:\033[0m"
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# cat "$cronfile" 2>/dev/null | grep -v "^#" | grep -v "^$" | sed 's/^/ /'
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# fi
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# done
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# fi
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# else
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# echo -e " \033[1;33mNo system crontab entries\033[0m"
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# fi
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# else
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# print_value "Scheduled Tasks" "crontab command not available"
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# fi
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# # Systemd timers (if available)
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# if command -v systemctl >/dev/null 2>&1; then
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# if systemctl list-timers --no-pager 2>/dev/null | grep -q .; then
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# echo -e "\n\033[1;32m Systemd Timers:\033[0m"
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# systemctl list-timers --no-pager | sed 's/^/ /'
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# fi
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# fi
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# Open files and network connections
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print_title "Open Files and Network Connections"
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if command -v lsof >/dev/null 2>&1; then
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echo -e "\033[1;32m Top 5 processes with most open files:\033[0m"
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lsof -n | awk '{print $1}' | sort | uniq -c | sort -nr | head -n 5 | sed 's/^/ /'
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echo -e "\n\033[1;32m Network connections by type:\033[0m"
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echo -e " \033[1;36mTCP:\033[0m $(lsof -i TCP | wc -l)"
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echo -e " \033[1;36mUDP:\033[0m $(lsof -i UDP | wc -l)"
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echo -e " \033[1;36mTotal:\033[0m $(lsof -i | wc -l)"
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else
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print_value "Open Files" "lsof command not available"
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fi
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# =============================================
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# Final Message
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# =============================================
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print_separator
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echo -e "\033[1;33mSystem ready! $(date '+%H:%M')\033[0m" # Bold yellow
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print_separator
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echo
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Reference in New Issue
Block a user