Linux检查服务器是否有外网的脚本

_check_server_url="www.baidu.com"
ping -c 3 -i 0.5 -W 3 $_check_server_url &>/dev/null
if [ $? -eq 0 ]; then
  echo "ping $_check_server_url 测试响应成功。"
else
  echo "ping $_check_server_url 测试响应失败！"
fi

_http_code=$(curl $_check_server_url -s -I --connect-timeout 15 -w %{http_code} -o /dev/null)
if [ "$_http_code" -eq 200 ]; then
  echo "curl $_check_server_url 测试请求成功。"
else
  echo "curl $_check_server_url 测试请求失败！"
fi

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