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This article will explain in detail how to configure the network card to access the external network for everyone. The content of the article is of high quality. Therefore, Xiaobian shares it with you as a reference. I hope that after reading this article, you will have a certain understanding of relevant knowledge.

Linux Network Configuration Basics 2

system-config-network Configure network cards to access external networks

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OS:Red Hat Enterprise Linux 6.4

The current computer wireless network card uses DHCP to automatically obtain, you can access the Internet (external network)

1 Disable NetworkManager

[root@rhel64 ~]# service NetworkManager status

[root@rhel64 ~]# chkconfig --list NetworkManager

If it is not disabled, use the command Close, Disable

[root@rhel64 ~]# service NetworkManager stop

[root@rhel64 ~]# chkconfig NetworkManager off

2 Normal shutdown of the operating system

[root@rhel64 ~]# init 0

or

[root@rhel64 ~]# shutdown -h now

3 Start Network Card 2 Bridge Wireless Network Card

4 Start the virtual machine to view the network card information

[root@rhel64 ~]# ifconfig

[root@rhel64 ~]# ifconfig -a

[root@rhel64 ~]# ls /etc/sysconfig/network-scripts/ifcfg-eth*

Current linux can recognize that eth2 exists on the network card. Use ifconfig -a to view it.

But there is no specific profile.

When eth2 is enabled with ifconfig eth2 up, ifconfig can be viewed but no ip information is available.

[root@rhel64 ~]# ifconfig eth2 up

[root@rhel64 ~]# ifconfig

5 Configuring network cards using system-config-network

5.1 Set the current session character encoding to UTF-8

[root@rhel64 ~]# system-config-network

5.2 View eth0 configuration

5.3 Add device configuration eth2 with ip

5.4 Restart network services

[root@rhel64 ~]# service network restart

5.5 View ip and profile changes

[root@rhel64 ~]# ifconfig

[root@rhel64 ~]# cat /etc/sysconfig/network

The GATEWAY entry in the global configuration file was deleted

[root@rhel64 ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth2

[root@rhel64 ~]# cat /etc/resolv.conf

[root@rhel64 ~]# route -n

[root@rhel64 ~]# ip route

5.6 network access test

Win7 cmd ping command execution test able to ping eth2 address

Linux ping external network access test can ping

[root@rhel64 ~]# ping www.baidu.com -c4

6 Using a browser to access external networks

6.1 Set Chinese Pinyin Input Method

Ctrl + Space Toggle Input Method

shift switch between Chinese and English

6.2 flash-plugin

View web video missing plug-ins can yum install flash-plugin

[root@rhel64 ~]# yum install flash*

About system-config-network how to configure network card access to the external network to share here, I hope the above content can have some help for everyone, you can learn more knowledge. If you think the article is good, you can share it so that more people can see it.

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