38 lines
1.0 KiB
Bash
38 lines
1.0 KiB
Bash
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#!/bin/bash
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check_port () {
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protocol="$1"
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port="$2"
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reason="$3"
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echo -n "Checking ${protocol^^} port $port... "
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process_pid=$(sudo ss -Hlnp -A "$protocol" "sport = :$port" | grep -Po "(?<=pid=)(\d+)" | head -n1)
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if [ -n "$process_pid" ]; then
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process_name=$(ps -p "$process_pid" -o comm=)
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echo "Occupied by $process_name with PID $process_pid."
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echo "Port $port is needed to $reason"
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read -p "Do you wish to terminate $process_name? [y/N] " -n 1 -r
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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echo "Aborting due to occupied port"
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exit 1
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else
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echo "Attempting to terminate $process_name with PID $process_pid"
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service=$(sudo ps -p "$process_pid" -o unit | grep service)
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if [ -n "$service" ]; then
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sudo systemctl stop "$service"
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else
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sudo kill -9 "$process_pid"
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fi
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sleep 1
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fi
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else
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echo "Available."
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fi
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}
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check_port udp 53 "resolve DNS queries"
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check_port tcp 80 "answer HTTP requests"
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check_port tcp 443 "answer HTTPS requests"
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check_port tcp 1883 "run MQTT"
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check_port tcp 8886 "run MQTTS"
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