CENTOS7 Setup Wizard

First, installation steps:

1. Create a new virtual machine

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2. Enter the virtual machine name

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3. Select Memory

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4. Select the operating system

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5. Allocating CPU, kernel book

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6. Set the virtual disk size

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7. Select the installed ISO file

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8. Rename the virtual machine name (followed by the operating system name and three bits after the IP address)

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9. Turn on the virtual machine power

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10. Open the Virtual machine console

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11. Setting the operating system language

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12. Set the Software Installation type (minimize installation, without UI), set the partition size of the hard disk, set up the network connection

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A. Setting the partition size of the hard disk

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B. Set the network connection, host name

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C. Set the IP address

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D. After setting up, start the network, set the host name

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Second, after the installation is complete, modify the relevant configuration information:

0. Set the root password with passwd

1. Make sure that the host name is correct

2. IP a determines that the IP address is correct

3. Curl www.sina.com.cn determines access to the extranet

4. Yum-y Update CentOS

5. Yum-y Install VIM installation Vim installation package

6. Turn off SELinux

Sestatus See the status of SELinux

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Use the following edit command to modify the SELinux status to Disabled

Vim/etc/selinux/config
Selinux=disabled

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7. Turn off the firewall

Systemctl Stop Firewalld
The firewall does not start automatically after the system restarts

Systemctl Disable FIREWALLD

View current firewall status

Systemctl Status Firewalld

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8. Configure time synchronization

Yum-y Install NTP
Vi/etc/ntp.conf
3 Additional time servers
Server s2d.time.edu.cn Iburst #西南地区网络中心
Server s2e.time.edu.cn Iburst #西北地区网络中心
Server s2f.time.edu.cn Iburst #东北地区网络中心

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9. Start the NTP service
Systemctl Start NTPD
Systemctl Enable NTPD

View status
Ntpq-p

10. Restart reboot

11. View the previously modified status

Systemctl Status Firewalld

Systemctl Status NTPD

Sestatus

CENTOS7 Setup Wizard