Idea Switching Networking, Security, Automation & Development


Application servers currently deployed in a private subnet require the ability to integrate with a third-party service accessible through the Internet. Which changes are required to provide outbound Internet connectivity in the VPC without providing inbound Internet connectivity to the application servers? Create a NAT Gateway without att... Read more

Try to Elaborate 简介

那些声称清楚自己所想,但却不能清晰表达的人,其实通常不知道自己所想。— Mortimer Adler 经常在学习的过程中,自己和群友都会遇到或多或少类似的问题。比如技术之间的区别、练习题种的疑惑,以及方案之间的差别。虽然网络上对于很多信息都有官方的文档,但在这些之外的解释却是非常稀缺。 著名的费曼学习方法中的第一步便是用自己的语言解释自己所学的东西,而不是生搬硬套原本的文字。所以在自己的学习过程中,便想直接记录下学习过程中的一些心得。 这个系列算是学习笔记,计划从练习题的解答开始。个人水平有限,如有错误,还望指正。 本系列的所有练习题均是通过正规在线学习网站(Linux Academy等)获得,本人没有题库资料 Read more

Scale Your Services with Load Balancers

A load balancer (LB) is a device that acts as a reverse proxy and distributes network or application traffic across a number of servers. LBs are used to increase capacity (concurrent users) and reliability of applications. They improve the overall performance of applications by decreasing the burden on servers associated with managing and mainta... Read more

Next Theme Tutorial

NexT is a high quality elegant Jekyll theme ported from Hexo Next. It is crafted from scratch, with love. Live Preview Screenshots Desktop Sidebar Sidebar (Post details page) Mobile Installation Check whether you have Ruby 2.1.0 or higher installed: ruby --version Install Bundler: gem install... Read more

Neither a drug addict nor an alcoholic? Now it’s time to get rid of sugar

We all know the danger of alcohol and frequently overuse of it can lead to several liver diseases. Anyone who hasn’t had any alcohol or doesn’t know it is toxic can easily tell its side effects, without knowing how it affects your body inside, after a few drinks of it. You will notice how your heart rate increases and losing the ability to contr... Read more