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  OpenLDAP Proxy -- Introduction

OpenLDAP is an open source project which is intended to provide some commercial-grade, fully featured applications and development tools based on the well known Light-weight Directory Access Protocol(LDAP). Hence corporations which want to manage their user and group information can freely use these tools.  OpenLDAP provides ldap servers, ldap clients and corresponding tools to work on LDAP. The LDAP server is called slapd(Stand-alone LDAP  daemon). And it would serve as the server whi...

   META,OPENLDAP,OPENLDAP PROXY,SLAPD,SLAPD.CONF,LDAP     2017-10-28 11:20:00

  Announcing New Feed Service

We’re thrilled to announce that Feed is now live! Feed brings you the hottest tech stories daily, covering trending topics like AI, LLMs, Rust, Python, and more. What is Feed? Feed is your personalized tech news curator. It uses AI to gather and filter the most relevant stories from around the world, ensuring you stay informed without being overwhelmed. Whether it’s a breakthrough in AI or a new feature in Rust, Feed delivers just the right amount of information. How Does It Work? F...

   AI,CHINESE,TECH FEED     2024-12-12 20:04:59

  A journey to investigate a goroutine leakage case

In Go, creating goroutines is straightforward, but improper usage may result in a large number of goroutines unable to terminate, leading to resource leakage and memory leaks over time. The key to avoiding goroutine leaks is to manage the lifecycle of goroutines properly. By exporting runtime metrics and utilizing pprof, one can detect and resolve goroutine leakage issues. This post will go through one real case encountered by the author. The author maintains a service that connects to a targe...

   TIMEOUT,SSH,GUIDE,DEBUG,LEAK,GOROUTINE,PPROF,GOLANG     2024-03-16 11:00:23

  What was the Internet like in 1995?

The Internet evolves very fast since its birth. In 1995, a TV program called Computer Chronicles made an episode about new technology "The Internet". Now let's check out what the Internet looks like in 1995 through some video screenshots. First the host Stewart Cheifet appeared in the video where he was in a network cafe. There you can meet the real people and virtual person. That's a good thing. The first guide of us is the technology journalist from New York Times John Markoff. He said his f...

   Internet,History,1995,Computer Chronicles     2013-04-10 06:30:28

  Today on history : Twitter cofounder Evan Williams was born

Evan Williams, born March 31, 1972. American entrepreneurs, has created a number of Internet companies, including Pyra Labs, (operational blog, Blogger) and Twitter. He was Twitter, CEO from October 2008 to October 2010. Twitter former CEO Evan WilliamsEvan Williams grew up on a farm in Nebraska Clark Village. At the University of Nebraska, he studied a year and a half, then he started to work. He did different technologies work in some tech start-ups in Key West, Dallas, Austin, Texas. In 1996...

   Twitter,Cofounder,Evan Williams,Introduction     2012-03-31 08:49:18

  Early homepages of some famous websites

Are you curious about what are their early homepages like for some famous IT companies? Let's take a look at them now. 1. Google This page was relative concise at that time. The current Google homepage is more concise. 2. Facebook It went online on 4th Feb, 2004. This was its homepage in 2004 3. YouTube It went online on 15th Feb, 2005. Until 22nd April, the first video clip was uploaded. 4. Wikipedia It emphasizes on free content and collaborative editing. It also supports many languages. 5...

   Homepage,website,History,Google,Facebook     2015-07-23 11:34:18

  Facebook fires a few Chinese employees

There is a big news happening in the Silicon Valley in past few days. Facebook fired a few Chinese employees for bringing outsiders into Facebook's campus and canteen on a charged basis. It's well known that tech companies in Silicon Valley provide attractive welfare to their employees. We often heard about the news that lots of free service(including free food, free laundry, free massage etc) are provided to employees to encourage them to stay effective when working. This is good news and welc...

   Facebook,Chinese employee, Chummy     2015-09-03 07:39:05

  Ruby WinRM undefined method `split' for nil:NilClass

WinRM service is a service provided by Windows to enable remote access a Windows system. It is similar to what SSH is for *nix. And it is frequently used in applications which want to automate process or accessing remote Windows system and perform actions on them. Ruby also provided the WinRM gem which is an implementation of the WinRM service.  When using WinRM gem, one may often want to use :negotiate as the transport protocol for authentication. This transport will negotiate using d...

   RUBY,WINRM,INIT_AUTH,PROXY     2017-03-08 02:21:09

  7 misunderstandings of DNS resolution

DNS resolution is generally considered as providing mapping between domain name and IP address, for example www.google.com maps to 74.125.71.103. There are two important reasons for doing DNS resolution: IP address is hard to remember, while domain name is human friendly Virtual host may access different contents according to the header of the host domain name(sub-domain name) Some webmasters may have some unreasonable requirements when doing DNS resolution. It mainly because they are not very...

   DNS resolution,misunderstanding     2012-10-20 12:57:16

  Fix 'this authentication plugin is not supported' issue while using Go to connect MySQL 8

MySQL 8 has changed its default authentication plugin from mysql_native_password to caching_sha2_password to improve its security. However many third party libraries seem act slowly to catch up with this change. This causes some compatible issues with their connection to MySQL. One of the issues is seen in Go libraries while it's trying to connect to MySQL 8. The specific error has been observed is "this authentication plugin is not supported". The root cause of this issue is that the go-sq...

   MYSQL,GO,MYSQL 8,AUTHENTICATION PLUGIN     2018-07-11 08:55:02

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