added fan script diagnoctics
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121
nano-diagnostics.sh
Executable file
121
nano-diagnostics.sh
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#!/bin/bash
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# Linux Fan Diagnostic Script
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# Monitors CPU usage, temperature, and processes every 200ms
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# Usage: ./fan_diagnostic.sh [duration_in_seconds]
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# Default duration: 60 seconds (can be overridden by argument)
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DURATION=${1:-60}
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INTERVAL_MS=200 # milliseconds
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LOG_FILE="fan_diagnostic_$(date +%Y%m%d_%H%M%S).log"
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echo "==================================" | tee -a "$LOG_FILE"
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echo "Linux Fan Diagnostic Script" | tee -a "$LOG_FILE"
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echo "Started: $(date)" | tee -a "$LOG_FILE"
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echo "Duration: ${DURATION}s | Interval: ${INTERVAL_MS}ms" | tee -a "$LOG_FILE"
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echo "Log file: $LOG_FILE" | tee -a "$LOG_FILE"
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echo "==================================" | tee -a "$LOG_FILE"
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echo "" | tee -a "$LOG_FILE"
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# System Information
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echo "=== SYSTEM INFORMATION ===" >> "$LOG_FILE"
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echo "Hostname: $(hostname)" >> "$LOG_FILE"
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echo "Kernel: $(uname -r)" >> "$LOG_FILE"
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echo "CPU Model: $(lscpu | grep 'Model name' | cut -d':' -f2 | xargs)" >> "$LOG_FILE"
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echo "CPU Cores: $(nproc)" >> "$LOG_FILE"
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echo "" >> "$LOG_FILE"
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# Installed packages that might affect CPU/Fan
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echo "=== INSTALLED SOFTWARE ===" >> "$LOG_FILE"
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if command -v docker &> /dev/null; then
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echo "Docker version: $(docker --version)" >> "$LOG_FILE"
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echo "Docker containers:" >> "$LOG_FILE"
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docker ps -a >> "$LOG_FILE" 2>&1
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echo "" >> "$LOG_FILE"
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fi
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if command -v snap &> /dev/null; then
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echo "Snap packages:" >> "$LOG_FILE"
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snap list >> "$LOG_FILE" 2>&1
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echo "" >> "$LOG_FILE"
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fi
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echo "Recently installed packages (apt):" >> "$LOG_FILE"
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if [ -f /var/log/apt/history.log ]; then
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grep -A 2 "Install:" /var/log/apt/history.log | tail -20 >> "$LOG_FILE"
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fi
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echo "" >> "$LOG_FILE"
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# Temperature sensors available
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echo "=== TEMPERATURE SENSORS ===" >> "$LOG_FILE"
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if command -v sensors &> /dev/null; then
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sensors >> "$LOG_FILE" 2>&1
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else
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echo "lm-sensors not installed. Install with: sudo apt install lm-sensors" >> "$LOG_FILE"
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fi
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echo "" >> "$LOG_FILE"
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# Monitoring loop
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echo "=== MONITORING DATA ===" >> "$LOG_FILE"
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echo "Starting monitoring for ${DURATION} seconds..." | tee -a "$LOG_FILE"
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START_TIME=$(date +%s)
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END_TIME=$((START_TIME + DURATION))
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SAMPLE=0
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while [ $(date +%s) -lt $END_TIME ]; do
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SAMPLE=$((SAMPLE + 1))
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TIMESTAMP=$(date +"%Y-%m-%d %H:%M:%S.%3N")
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echo "--- Sample #${SAMPLE} at ${TIMESTAMP} ---" >> "$LOG_FILE"
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# CPU Temperature
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if [ -f /sys/class/thermal/thermal_zone0/temp ]; then
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TEMP=$(cat /sys/class/thermal/thermal_zone0/temp)
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TEMP_C=$((TEMP / 1000))
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echo "CPU Temp: ${TEMP_C}°C" >> "$LOG_FILE"
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fi
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# Overall 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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echo "CPU Usage: ${CPU_USAGE}%" >> "$LOG_FILE"
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# Top 5 CPU consuming processes
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echo "Top CPU processes:" >> "$LOG_FILE"
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ps aux --sort=-%cpu | head -6 | tail -5 >> "$LOG_FILE"
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# Docker containers CPU usage (if docker is running)
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if command -v docker &> /dev/null && docker ps -q &> /dev/null; then
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echo "Docker container stats:" >> "$LOG_FILE"
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docker stats --no-stream --format "table {{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}" >> "$LOG_FILE" 2>&1
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fi
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# Fan speed (if available)
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if command -v sensors &> /dev/null; then
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FAN_SPEED=$(sensors | grep -i "fan" | head -1)
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if [ ! -z "$FAN_SPEED" ]; then
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echo "Fan: $FAN_SPEED" >> "$LOG_FILE"
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fi
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fi
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echo "" >> "$LOG_FILE"
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# Progress indicator
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CURRENT_TIME=$(date +%s)
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ELAPSED=$((CURRENT_TIME - START_TIME))
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PROGRESS=$((ELAPSED * 100 / DURATION))
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printf "\rProgress: %d%% (Sample #%d, %ds/%ds) " "$PROGRESS" "$SAMPLE" "$ELAPSED" "$DURATION"
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sleep 0.2
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done
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echo "" | tee -a "$LOG_FILE"
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echo "==================================" | tee -a "$LOG_FILE"
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echo "Monitoring completed: $(date)" | tee -a "$LOG_FILE"
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echo "Total samples: ${SAMPLE}" | tee -a "$LOG_FILE"
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echo "Log saved to: $LOG_FILE" | tee -a "$LOG_FILE"
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echo "==================================" | tee -a "$LOG_FILE"
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echo ""
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echo "To analyze the log, send the file to me or run:"
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echo " grep 'CPU Temp:' $LOG_FILE | sort -k3 -n | tail -10"
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echo " grep 'CPU Usage:' $LOG_FILE | sort -k3 -n | tail -10"
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