Linux Network detailed configuration (take CentOS6.7 as an example)

First, the Linux server's default network card configuration file under/etc/sysconfig/network-scripts/, the general is the Ifcfg-eth0,eth0 to indicate a network card, eth1 represents the second, and so on.

The detailed steps are as follows (with):

1. Reach the network-scripts/directory

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2. Modify the network card IP, with Vi/etc/sysconfig/network-scripts/ifcfg-eth0 if it is a dynamic DHCP get IP, then configure as the first figure, if it is statically set IP, configuration such as 2.

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& Network Interface parameters: Device= "eth0" #物理设备名

onboot= "Yes" #重启网卡是否激活设备

bootproto= "Static"/"DHCP" #静态分配/DHCP protocol

Type= "Ethernet" #网卡类型

ipaddr=192.168.33.10 #ip地址

netmask=255.255.255.0 #子网掩码

gateway= "192.168.33.1 #网关地址

3. NIC configuration, restart the network card, command:/etc/init.d/network Restart or service network restart can be.

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Network card configuration is complete, then IP but can not surf the Internet, ping www.baidu.com  display unknown. This is because you have not configured the Dns,dns configuration directory in/etc/resolv.conf, with the VI editor to open the editor to add a nameserver 8.8.8.8 (8.8.8.8 is An IP Address Is the IP address ).

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To the end of the configuration here, you can experiment with the ping www.baidu.com found to pass. Check the IP configuration with Ifonfig.

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Second, another simple method (the use of the Redhat series, including CentOS)

Specific steps such as:

1. Type the Setup command and enter, as shown below, select Network configuration under the arrow keys.

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2. Enter, continue operation, the configuration of Dervice and DNS appears.

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3. Enter the IP address, mask, and gateway.

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4. Enter the DNS option, enter 8.8.8.8 (no change, please delete 192.168.59.2, change to 8.8.8.8)

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OK, get it done, the same thing. Restart the NIC service. will be able to surf the internet, personally think this is more simple, easy to operate a little, thank you.

Linux Network detailed configuration (take CentOS6.7 as an example)