What Linux cloud computing is and what cloud computing engineers need to prepare

What is Linux cloud computing?

There is no time for cloud computing to rise!
If you want to build a website, first you have to buy a server (computer)!
Use this server to store content on your website, videos, pictures, text ....
Once the power is off, people won't be able to access your site. Or the circuit burns due to the long boot time. The data and content of your website are all gone! That's a special headache!

The price of the server is also quite expensive, just like you want to eat root ice cream, first you have to buy a refrigerator!
Bought a refrigerator also have to take care of it, once the power off, ice cream also can not eat!

In this case, cloud computing is born. The ice cream Shop is open at home, and when you want to eat it, buy it. And the ice-cream shop has its own generator, even if the power-off of ice cream will not be. Now only need to choose their own varieties to eat, is to choose Mengniu or old popsicles ..... No longer need to worry about eating an ice cream to buy raw materials, refrigerators, sorbet sticks, all kinds of add products.

What does a Linux cloud computing engineer do?

Cloud service = Ice cream Shop
Enterprise = Home
Management = Dad
Finance = Mom
Linux Cloud Computing Engineer = You

Summer arrived, especially hot, the whole family want to eat ice cream!
That's when your role is reflected! What are you going to do, then?
After dad agreed to ask mom for money to buy ice cream!

Mom and dad don't know the way, not the price. Because you often buy ice cream, so decided to let you go!
Then you take the money to the ice cream shop and buy it according to everyone's tastes and appetite.

The ice cream is bought, you need a bag for the store, and then put the ice cream up (Configure the server as installed)
After home to the ice cream out of the people who want to eat, everyone began to eat ice cream (build website)
In the process of eating ice cream, someone suddenly eats a bad one, and someone eats half of the ice cream off! At this point you have to solve the problem (maintenance of the system)
Everyone to eat the ice-cream, the evaluation is very good, very delicious! I need you to pack your bags. Ice cream Sticks (daily maintenance)
The next day the weather is very hot again, you go to buy ice cream (renewal)

Is Linux cloud computing a gimmick or is it really just needed?

The answer is just need, no way to eat ice cream will need someone to buy!

What you need to know to be a Linux cloud computing engineer

1, familiar with Linux operating system, basic configuration, System management, network routing packet filter firewall and various service program configuration;
2, familiar with Shell scripting language, familiar with one or several C,python,java
3, understand the Linux raid, LVM and other mechanisms and configuration, understand Linux under the various local file system and network file system, proficient in tuning configuration. Familiar with all kinds of mainstream open source Distributed file system and distributed storage system;
4, familiar with the Hadoop framework, the relevant software modules, to install, configure, optimize the Hadoop operating system, familiar with a variety of Hadoop products and the corresponding advantages and disadvantages, the Hadoop platform has its own understanding, understand the OpenStack platform, can build, Customize the OpenStack system.

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What Linux cloud computing is and what cloud computing engineers need to prepare