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Two million recordings of kids, parents leaked from cloud-connected toys'...
Two million voice recordings of kids and their families were exposed online and repeatedly held to ransom because the maker of microphone-fitted, internet-connected stuffed toys used an insecure...
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These adorable teddy bears were reportedly hacked to expose 2 million messages
As if you needed another reason not to put an internet-connected microphone in your child's bedroom. A California-based toy company selling "a message you can hug" reportedly exposed over 2 million...
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N26-第四周
1、复制 /etc/skel 目录为 /home/tuser1 ，要求 /home/tuser1 及其内部文件的属组和其它用户均没有任何访问权限。 2. 编辑 /etc/group 文件，添加组 hadoop 。 3. 手动编辑 /etc/passwd 文件新增一行，添加用户 hadoop ，其基本组 ID 为 hadoop 组的 id 号；其家目录为 /home/hadoop 。 4.复制...
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Mark Needham: Neo4j: Graphing the ‘My name is…I work’ Twitter meme
Over the last few days I’ve been watching the chain of ‘My name is…’ tweets kicked off by DHH with interest. As I understand it, the idea is to show that coding interview riddles/hard tasks on a...
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821,000 user records exposed due to misconfigured MongoDB for smart stuffed toys
No one wants to learn that they have been hacked; if a company is not doing so well, then it might really be scared after it is breached. But burying your head in sand and hoping it will all go away...
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海量数据汹涌而来，Hadoop不再一家独大
2017年大数据将不再是Hadoop一家独大，也不再是编程者们的自娱自乐，企业和终端用户的不断涌入，海量数据“堆积如山”，随之而来的储存、分析、处理成为从业者的下一挑战。数据如何变现，价值怎么挖掘?2017大数据十大趋势，兴许给你惊艳的解答~ 随着对不同类型、不同体量数据的结构化存储、批量处理以及价值挖掘需求的增多，2016年注定是大数据里程碑式的一年。...
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File Upload with NodeJS and GridFS MongoDB
Sometimes it is best to store files directly into the database instead of the filesystem. It may be that there is a limit to the number of files that can be stored on the filesystem and it’s always...
View ArticleMigrating to Oracle Cloud - Do I still need my DBA ?
Over the years the role of the Oracle Database Administrator (DBA) has changed significantly. Originally the DBA kept your database running, adding new datafiles, tweaking SQL queries for performance,...
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Google's Cloud Spanner To Settle the Relational vs NoSQL Debate?
Google's Cloud Spanner To Settle the Relational vs NoSQL Debate? Written by Nikos Vaggalis Tuesday, 28 February 2017 Cloud Spanner is a new proposition for database as a service that emphatically...
View ArticleSentinel-Redis高可用方案（二）：主从切换
Redis 2.8版开始正式提供名为Sentinel的主从切换方案，Sentinel用于管理多个Redis服务器实例，主要负责三个方面的任务： 1. 监控（Monitoring） ： Sentinel 会不断地检查你的主服务器和从服务器是否运作正常。 2. 提醒（Notification） ： 当被监控的某个 Redis 服务器出现问题时， Sentinel 可以通过 API...
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Percona Monitoring and Management (PMM) Graphs Explained: MongoDB MMAPv1
This post is part of the series of Percona’s MongoDB 3.4 bundle release blogs.In this blog post, I hope to cover some areas to watch with Percona Monitoring and Management (PMM) when running MMAPv1....
View Article每日一博 | SpringBoot 用 200 行代码完成一个一二级缓存
缓存系统的用来代替直接访问数据库，用来提升系统性能，减小数据库复杂。早期缓存跟系统在一个虚拟机里，这样内存访问，速度最快。...
View ArticleReduce Data Lake Ingestion Time by 75% with Ingestion Factory
News Reduce Data Lake Ingestion Time by 75% with Ingestion Factory Zaloni introduces new solution for cost-efficient, managed “industrial-strength” data lake hydration Durham, NC February 23, 2017 It...
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Interloop - Making the Most of Compose
Compose customer, Interloop , has launched a "sales execution and forecasting platform" ― powered by IBM Watson and Compose-hosted MongoDB ― to help businesses understand where to focus to close more...
View ArticleMac系统 MAMP 集成环境下搭建 Redis
之前由于嫌弃 mac 下命令行搭建 php+mysql 环境太复杂，给自己挖了一个大坑 就是偷懒使用了名为 MAMP 的一键集成安装包 好用是好用，但是等你需要添加点模块和功能的时候就傻眼了 这几天在做一个股票监控和分析系统的时候，需要用到一个临时存储的数据库，作为 python 和 php 的数据交换 这些数据会频繁的修改和覆盖，以我对 mysql有限的了解，感觉用它不太合适...
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专访周彦伟：十年技术老兵谈为什么MySQL最流行及DBA精神
编者按：在老一代的数据库老人中，周彦伟是其中的佼佼者，不仅着眼于自己的成长，还不断致力于该领域的发展，成立了技术社区、组织技术沙龙活动等，造福了很多，如今又将有新书出炉，为技术人带来全方位的福利，以下是CSDN对他的专访，他总结了自己多年来的成长和他眼里的“DBA精神”：责任心、服务心、沟通心、学习心、进取心和分享心。 引用 采访：仲培艺；责编：钱曙光 周彦伟 去哪儿网担任数据库总监...
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SQL SERVER How to Protect Database from DBA and Hide Database Schema
There is a growing demand for database encryption nowadays and large companies offer alternative solutions for Microsoft TDE. But what if you want to protect the database from local Administrator? One...
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Thiel alumnus Fossa raises $2.2 million to build open-source compliance tool
Open-source code can be a nightmare for engineers who are developing software. Fossa , which announced today a seed round of $2.2 million, is launching technology to help companies understand what’s...
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［转］Twemproxy 介绍与使用
Twemproxy是一种代理分片机制，由Twitter开源。Twemproxy作为代理，可接受来自多个程序的访问，按照路由规则，转发给后台的各个Redis服务器，再原路返回。该方案很好的解决了单个Redis实例承载能力的问题。当然，Twemproxy本身也是单点，需要用Keepalived做高可用方案。通过Twemproxy可以使用多台服务器来水平扩张redis服务，可以有效的避免单点故障问题。虽然...
View Article数据库外键的使用
在知乎上看到了一位圈友分享的关于外键使用的一些分析：外键是否采用看业务应用场景，以及开发成本的，大致列下什么时候适合，什么时候不适合使用：1. 互联网行业应用不推荐使用外键：...
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