Cuthead

#!/bin/bash

OUTPUT_FILE="github_check.csv"

if [ ! -f "$OUTPUT_FILE" ]; then
    echo "timestamp,status,response_time" > "$OUTPUT_FILE"
fi

USER_AGENT="github_check.sh/1.0 gist.github.com/Cuthead/257c2f59015c9ffa41b5ea4adcb81163 (Purpose: Monitoring GitHub availability in China for research)"

Cuthead

#!/usr/sbin/nft -f

set dc1 { # American
	type ipv6_addr
	flags interval
	elements = { 2001:b28:f23d:f001::a }
}

set dc3 { # Unknown
	type ipv6_addr