reboot computer if network is unavailable

reboot.sh

# Define the log file path
log_file="$(dirname "$0")/reboot.sh.log"

# Define a function to log messages with date stamps
log_message() {
    local message="$1"
    local timestamp=$(date +"%Y-%m-%d %H:%M:%S")
    
    # Use tee to echo the message to both the console and the log file
    echo "[$timestamp] $message" | tee -a "$log_file"
}

if /bin/ping -q -c 1 192.168.1.1 &> /dev/null; then
    log_message "Network is available"
    # If the network is available, delete the counter file
    rm -f "$counter_file"
else
    # Check if the counter file exists, and if not, create it with an initial value of 0
    counter_file="$(dirname "$0")/reboot.sh.counter"
    if [ ! -f "$counter_file" ]; then
        echo "0" > "$counter_file"
    fi

    # Read the current value of the counter from the file
    counter=$(<"$counter_file")
    # Check if the counter is less than 5
    if [ "$counter" -lt 5 ]; then
        log_message "Network is not available"
        # Increment the counter and save it to the file
        ((counter++))
        echo "$counter" > "$counter_file"
       shutdown -r now
    else
        log_message "The else block has been run 5 times, so it won't run again."
    fi
fi