Recently was too busy on small stuff that I can’t focus on myself on the real thing I need to tackle. Annoying…

Anyway, I still find something fun which also stimulate my mind!

Interesting! Ah!

Days ago, when I was setting up an Internet Cafe System, I met a problem of transferring 600+ GB gaming files from one machine to another.

Most of them are small files, I have two options:

1. Compress and then transfer, which will cost lots of CPU, and of course time.
2. Directly transfer these files, which will be very slow since too many tiny files.

In the End, I used the rsync method.

Everyone should know how to setup Cygwin under Windows 7/10, however, if you do it in Windows XP/2003, it will failed.
Why? Because the latest packages are only compatible with Windows 7 or higher.
In other words, the Cygwin respository doesn’t have a mechanism to maintain different version of these binaries.

So, how to setup Cygwin under Windows XP then?

This is an assembly of useful links.

Recently I went Halifax to help a friend to setup Internet Cafe System, including the hardware and software. And I met the problem of make Internet Cables, i.e, Straight Through and Crossover and T568A/B color orders.

There are two kinds of network cable that we already know, Straight Through and Crossover Cable. This article will give an summary of the differences and how to setup a connection in real by giving photos.

You sometimes would see somebody doing something cool with SSH(Secure Shell), like without password, or even without key, or even more, port forwarding to break the firewall restrictions.

This post will discuss ssh tricks of authentications methods and port forwarding approaches.

Three kinds of SSH authentication methods:

• Password
• Public/private key pair
• Host-based authentication

There are three kinds of SSH Forwarding:

• Local Port Forwarding
• Remote Reverse Forwarding
• Dynamic Port Forwarding

This post will make these stuff more clear.

Keep Updating to add new articles and papers to read categories methodology style

• https://stephenholiday.com/notes/
• https://cs.stanford.edu/~matei/courses/2015/6.S897

Distributed System
If can’t find something new to read, consider these sites:

• https://cs.stanford.edu/~matei/courses/2015/6.S897/
• https://pdos.csail.mit.edu/6.824/schedule.html
• https://dancres.github.io/Pages/

Not complete yet. Kafka is a Distributed Streaming platform. Kafka™ is used for building real-time data pipelines and streaming apps. It is horizont ...

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