Linux 0 Basic Admission 1-1 Course Introduction & Understanding rhel7& Installation RHEL7

Source: Internet
Author: User
Tags clear screen domain server

"Content of this section"

* Course Introduction

* RHEL7 Understand

* Installation of RHEL7.2

* Actual combat: Assemble server


"Introduction to Linux"

Type of server: Blade, Tower (rack type)

1u:4.45cm height of the three-finger width finger server

Bell Labs Unix Ken Thompson & Dennis Ritchie

Two people cooperate with the assembly language to complete the writing UNIX. 1972 The birth of the C language. In 1973, the two were re-written in C language.

UNIX to enable the migration of UNIX system data.

University of California, Berkeley BSD-authored 4.4 Free BSD UNIX

In 1991, Linux was officially released.

GNU Organization Richard Stallman (Richard Stewarman)

The Linux logo is for penguins: Richard Stallman was bitten by penguins at the zoo when he was a child.

GNU = GNU Not ' S UNIX

"Linux development Prospects"

1.Linux Open Source System--the preferred solution for Internet companies

2. High security and stability

3. High-paying professional skills

"Linux Jobs"

Linux system integration

Linux operation and Maintenance

Linux Network operations Engineer

DBA Database administrator

ERP System Management

"Advantages of virtual machines"

1 , can simulate the real operating system, do a variety of operating system experiments (such as: Build a domain server, build a Web server, build FTP server, build a DHCP server, build a DNS server, etc.);

2 , the snapshot capabilities of virtual machines are comparable to the Ghost tool backup feature, and you can quickly create restore points or recover restore points quickly;

3 , can bridge to the real computer on the Internet, better guarantee the security;

4 , in the case of only 1 computers, the need for several other computers together to build a complex application environment, virtual machine can do;

5 , you can test the more suspicious tools in the virtual machine;

6 , the real tool can be used in the virtual machine normal use "premise to simulate the corresponding operating system";

7 , you can quickly clone the operating system copy.

"Installation of VMs"

The specific installation steps are omitted, similar to the normal software installation process.

There are only a few suggestions:

1. The Software installation directory as far as possible not selected in the C disk;

2. The virtual machine's hard disk mount is selected "multi-file mode";

3. Put a folder on a virtual machine.

"Installation of RHEL7.2"

[Hardware Reference]

Memory: 700MB minimum, 1G recommended.

Open the installed VMware Workstation 12

1. under " home " tab, click " Create a new virtual machine ", leave the default option, next

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2. Select "O Select the program disc image (ISO) (M)" and select the mirror location in the browse. You can also select the "Install operating system later (S)" and so on after the virtual Machine Creation wizard finishes loading again.

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3. Guest operating System Select "Linux", version select RHEL7. Next

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4. Virtual Machine name installation function fill in one, such as "Linux7-web". Location, browse to select the directory where the virtual machine resides, and next

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5. Specify the maximum disk size (GB) (S), select split virtual machine wash into multiple files (M), Next

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6. In the "Custom hardware (C) ..." Select the hardware required for the virtual machine, such as sound card, printer, USB controller can be removed first, and so on later, you can also add. Close, Next

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7. Click "Finish" to exit the Virtual Machine Creation wizard.

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8. Start the virtual machine

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9. Select RHEL7.2 installation media

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10. Select the installation process display language

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11. Installation Information Configuration

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12. Turn off security policy

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13. Software Selection gui=kde+ Development tools

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14. Configure the system installation location and partition

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15. Close Kdump

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16. Configuring the Host Network

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17. Start the installation system

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18. Configure the root password to create a normal user

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19. System installation Complete, restart

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20. Accept the information of the Ordinance and save the withdrawal

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21. Acceptance of the license agreement

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22. Check that the network and hostname are configured to complete

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23. Login to the system as root

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24.rhel7.2 Desktop Rendering

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25. Turn off the Auto lock screen

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26. Open the terminal

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27. You have now completed the creation of a virtual machine. For the next lesson, all virtual machines are required to be configured.

"Tips for using VMware workstation12"

1. Adjust the virtual machine memory

Adjust in shutdown state

2. Add a hard drive

Virtual machine hard disk file extension. vmhk

3. From virtual machine to physical machine

CTRL + ALT

4. Terminal Clear Screen

CTRL + L

5. Turn off the machine

CTRL + E

6. Create a new terminal

CTRL + SHIFT + T

7. Switching terminals


7. Enter the virtual machine BIOS via the VM menu key

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"PS"

Continue to refuel, the price of four months, is to be able to study hard linux!



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Linux 0 Basic Admission 1-1 Course Introduction & Understanding rhel7& Installation RHEL7

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