dotfiles/bin/executable_tcp-check.sh

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#!/bin/bash
#
# Vom ITZ Wiki abgeschaut
host=${1:-127.0.0.1}
port=${2:-22}
if echo "Hi from poor man's scanner at $(uname -n)" 2>/dev/null > /dev/tcp/"$host"/"$port"
then
echo -e "\033[32m success at $host:$port \033[0m"
else
echo -e "\033[31m failure at $host:$port \033[0m"
fi