AlstonWilliams's Blog

Thinking will not overcome fear but action will.

介绍两款自动化运维工具

如果服务器的数量小的话,我们可以直接通过ssh连接上去,执行命令即可.也可以直接写一个脚本,通过ssh自动执行命令,将服务器修改成我们想要的状态. 然而,当我们有不只一台服务器时,就不能这么做了.当然,你要想这么做,也没人拦你,只是麻不麻烦的问题. 现在有这么一个场景,我们想要搭建一个kubernetes的微型集群,我们先设置好了一个master节点,然后让其他的node都自动加入mas...

Posted by AlstonWilliams on February 17, 2019

九月份总结与十月份计划

今天是24号。刚好是中秋的这一天。这个月那，已经在pad上，表达了好多次对自己的失望。可是这些东西，都是个人隐私，不能发出来，是么？在过去的这24天里，在技术方面，我只做了两件事。一件是跟着张宇的高数视频学习高数，一件是学习Tensorflow。其实后面的压根就没做，是看了一本书，叫做《Hands-On Machine Learning with Scikit-Learn and...

Posted by AlstonWilliams on February 17, 2019

为什么你需要深入的学习一下C语言

C语言这门课,作为基础课,一般在大一上学期就开始了.然而,课本上讲的,一般都只是各种语言的基本语法,并没有讲那些真正的C语言的内容. 而我们在C语言做实验时,完成的实验,基本上也就是基本的计算,并没有涉及到更多内容.这就给我们造成一种错觉,就是C语言只能做这些.只能弹出一个黑漆漆的窗口,然后我们输入几个数字,它帮我们计算结果.仅此而已. 然而,在每年的编程语言Top榜上,我们总是会发现,...

Posted by AlstonWilliams on February 17, 2019

串行

昨晚睡觉前，张三做了一下今天的计划．嗯，今天要继续做Android开发，还要研究某某项目的源码，还要学习机器学习．实际上，一周之前，张三就这么计划了．但是，每天张三起床后，在这一天中，总是做Android开发．昨晚计划的上午做Android开发，下午研究源码，中午和晚上研究机器学习，终究没有实现．

Posted by AlstonWilliams on February 17, 2019

两篇关于SeLinux和AppArmor的文章

在 Linux 上用 SELinux 或 AppArmor 实现强制访问控制 What Is AppArmor, and How Does It Keep Ubuntu Secure?

Posted by AlstonWilliams on February 17, 2019

《RabbitMQ-in-Action》以及官方文档读书笔记

Official documentation Round-robin dispatching: Every node will get the same number of messages. But the nodes are different actually, some are light, and some are heavy. How to assign ...

Posted by AlstonWilliams on February 17, 2019

《Netty-in-Action》读书笔记

Chapter2 SimpleChannelInboundHandler vs ChannelInboundHandler: In the client, when channelRead0() completes, you have the incoming message and you’re done with it. When the method returns, Simpl...

Posted by AlstonWilliams on February 17, 2019

《Kafka--The-Definitive-Guide》读书笔记

A topic typically has multiple partitions, there is no guarantee of message time - ordering across the entire topic, just within a single partition. Broker A single Kafka server is called a broke...

Posted by AlstonWilliams on February 17, 2019

《Hadoop--The-Definitive-Guide》读书笔记

Goal of MapReduce: Serve the tasks which needs only several minutes or several hours Run in a data center which has high bandwidth The machine in the data center is high available YARN is ...

Posted by AlstonWilliams on February 17, 2019

《HBase--The-Definitive-Guide》读书笔记

HBase All rows are always sorted lexicographically by their row key. The row keys can be any arbitrary array of bytes and are not necessary human-readable. Rows are composed of columns, and thos...

Posted by AlstonWilliams on February 17, 2019