프로그램 설치 없이 인터넷 속도 측정 하는 사이트

2018-09-26 KENNETH 0

가끔 사용중인 인터넷의 속도가 느릴 경우.. 이것이 내 환경의 문제 인지 아니면 저 서버의 문제 인지 즉각 판단이 어려운 경우가 있다.. 이럴 때 문득!!! 인터넷 속도좀 측정 해 볼까?? 싶지만… 매일 하는 것도 아니고, 그나마 어쩌다 한번씩 하는 요놈의 테스트는 뭔 놈의 프로그램을 그리 깔아야 하는지.. ㄷ ㄷ ㄷ   그런데!!!! https://www.speedtest.net/ 요런 사이트가 있었다.. ㅎㄷㄷㄷ 접속 후 “GO” 버튼만 누르면 끝! 물론 프로그램 설치 따위는 필요가 없다는 것!!!!! 두둥!!!!! 먼 훗날.. 내가 쓴 이 글을 나 자신이 기억 할 수 있을까 싶지만.. 우선 적어 놓는다…

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Apache Benchmark apr_socket_recv error when performing a load test

2016-05-23 KENNETH 0

origin : http://blog.scene.ro/posts/apache-benchmark-apr_socket_recv/ Problem Apache Benchmark breaks with apr_socket_recv: Connection reset by peer (104) when performing a load test. This is even more annoying since we do not get results for the requests performed before this one. Context linux host, Ubuntu 14.04, 3.11.0-17-generic kernel performing a load test against a jekyll serve ran on localhost using ab v2.3 for the load test both jekyll and ab are being ran on the same machine Sample Output benny@alpha:~$ ab -c 50 -n 1000 http://localhost:8080/ This is ApacheBench, Version 2.3 <$Revision: 1528965 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/ Benchmarking localhost (be patient) Completed 100 requests Completed 200 requests Completed 300 requests Completed 400 requests Completed 500 requests Completed 600 requests Completed 700 requests Completed 800 requests Completed 900 requests apr_socket_recv: Connection reset by peer [ more… ]

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telnet 을 이용한 smtp 릴레이(relay) 테스트

2015-04-30 KENNETH 0

1. 발송과정 (노란색 표시가 실제입력) root@ns1:~ 14:37:17 # telnet localhost 25 Trying 127.0.0.1… Connected to localhost.localdomain (127.0.0.1). Escape character is ‘^]’. 220 ns1.greatuser.net ESMTP ehlo 250-ns1.greatuser.net 250-STARTTLS 250-AUTH LOGIN CRAM-MD5 PLAIN 250-AUTH=LOGIN CRAM-MD5 PLAIN 250-PIPELINING 250 8BITMIME mail from: [email protected] 250 ok rcpt to: [email protected] 250 ok data 354 go ahead From: [email protected] To: [email protected] Subject: This is mail test on telnet kekekeke hahahaha -_-;;;;;; . 250 ok 1259473124 qp 21929 quit 221 ns1.greatuser.net Connection closed by foreign host.   2. 발송후 수신된 메세지원본 Return-Path: <[email protected]> Delivered-To: [email protected] Received: (qmail 19348 invoked by uid 1001); 29 Nov 2009 14:38:43 +0900 Hanbiro-rcptto: [email protected]| Hanbiro-remoteip: 210.100.100.XXX Received: from unknown (HELO ns1.greatuser.net) (210.100.100.XXX) by 0 (qmail 1.03 + ejcp v14) with AES256-SHA encrypted SMTP; 29 Nov 2009 14:38:43 +0900 Received-SPF: pass (0: SPF record at greatuser.net designates 210.100.100.XXX as permitted sender) Received: (qmail [ more… ]