Linux Network Configuration ·

One: Configuration file

/etc/hosts

Local Host IP address mapping

Content: 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4

:: 1 localhost localhost.localdomain localhost6 localhost6.localdomain6

/etc/services

The correspondence between port numbers and standard services

Individual fields: Service-name Port/protocol aliases Comment

/etc/sysconfig/network

Set host name Gateway domain name

/etc/rc.d/init.d/network

Service network restart is equivalent to/etc/rc.d/init.d/network restart

NIC configuration file:

/etc/sysconfig/network-scripts/ifcfg-eth*

Device=eth0 NIC corresponding name
Onboot=yes
bootproto=static (static IP status setting)
BOOTPROTO=DHCP (DHCP Fetch)
ipaddr=192.168.1.8 (static IP address)
netmask=255.255.255.0
gateway=192.168.1.1 (Gateway) (if you set the gateway here, the settings in/etc/sysconfig/network are not valid)
Macaddr=00:0c:29:96:38:f8 (Modify MAC address)

DNS-related configuration files

/etc/host.conf

/etc/nsswitch.conf

/etc/resolv.conf

Command

ifconfig eth0 IP address netmask subnet mask up

Common Test Commands

PING-C 4 IP Address

Route operates on the IP routing table of the kernel, setting static routes for the host or network of configured interfaces

Route add-net IP address netmask subnet mask eth0 Add a routing entry to the IP address of the network

Route del-net IP address netmask subnet mask

Route-c Viewing buffer tables

ROUTE-N Route Tracking

Linux Network Configuration ·