Liunx Sources and foundations

First, Unix is divided into SysV and Bsd,bsd something is based on TCP/IP. There are three types of BSD:

1.free BSD Free BSD

2.open BSD-Safe operating system

3.net BSD Hardware Platform Architecture CPU (arm,x86,x86_64)

IBM own processor Power

Second, the GNU Program 1984 free, open source, open

Still doing it, the kernel is not perfect.

Gnu--linux 1991 Finnish University students Linus Torvalds write a kernel, upload to the Internet to complete and patch

Cons: Poor entertainment, network operating system, operation is slightly less convenient

Benefits: Free open source, security, performance (Windows virtual memory, Linux swap space), stable,

Cost (Technical support)

C. Install Chinese on Linux

Yum-y Install cjkuni*

Yum-y Install wqy*

Yum-y Laninstall Chinese

Iv. some of the current IT technologies

Virtualization of Big Data cloud computing

1. Virtualization: VMware Workstation First: IBM wear is 0

SAN Storage Area Network

Ha dual-Machine hot standby

Alien Architecture pc

Bare-Home Architecture Enterprise

2. Cloud Computing Queue Hybrid Cloud

SDN Software-defined networks

Iaus Foundation Open Stack

Pnas Platform

Sans Software

3. Big Data Distributed storage operations

4. Development of automated operation and maintenance procedures

SNMP Simple Management Protocol

5. Database Nosal Non-relational

F5 Hardware load Balancing the Nginx Web service written by the Russians

Load Balancing Zhang Wenhao of LVS Software

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Liunx Sources and foundations