Sysmon script + renaming cards so its easier to know what they do

Bin/sysmon.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+
+# A script to display CPU temperature, CPU usage, memory usage, and disk usage without the 'sensors' package.
+
+echo "--- System Metrics ---"
+
+# Get CPU Temperature in Celsius from a kernel file.
+# This method is more common on modern systems but may vary.
+# It reads the temperature from the first available core.
+# Function to get CPU temperature
+
+    # Check for the common thermal zone path
+    if [ -f "/sys/class/thermal/thermal_zone0/temp" ]; then
+        temp_file="/sys/class/thermal/thermal_zone0/temp"
+    # Check for a different thermal zone path (e.g., some older systems)
+    elif [ -f "/sys/class/hwmon/hwmon0/temp1_input" ]; then
+        temp_file="/sys/class/hwmon/hwmon0/temp1_input"
+    else
+        echo "Error: Could not find a CPU temperature file."
+        exit 1
+    fi
+
+    # Read the raw temperature value
+    raw_temp=$(cat "$temp_file")
+
+    # The value is usually in millidegrees Celsius, so we divide by 1000.
+    # We use 'bc' for floating-point arithmetic.
+    temp_celsius=$(echo "scale=2; $raw_temp / 1000" | bc)
+    
+    echo "CPU Temperature: ${temp_celsius}°C"
+
+
+# Get CPU Usage
+# 'top' is a standard utility for this. It gives a real-time view of system processes.
+cpu_usage=$(top -bn1 | grep "Cpu(s)" | sed "s/.*, *\([0-9.]*\)%* id.*/\1/" | awk '{print 100 - $1}')
+echo "CPU Usage: ${cpu_usage}%"
+
+# Get Memory Usage
+# 'free' provides information about memory usage.
+mem_total=$(free | grep Mem | awk '{print $2}')
+mem_used=$(free | grep Mem | awk '{print $3}')
+mem_usage=$(echo "scale=2; ($mem_used/$mem_total)*100" | bc)
+echo "Memory Usage: ${mem_usage}%"
+
+# Get Disk Usage
+# 'df' reports file system disk space usage. We check the root directory.
+disk_usage=$(df -h / | grep / | awk '{print $5}' | sed 's/%//g')
+echo "Disk Usage: ${disk_usage}%"
+
+echo "----------------------"