8.Linux Network Infrastructure configuration

8.Linux Network infrastructure configuration

• In Linux , the Ethernet interface is named eth0,eth1 , etc.,0, 1 represents the NIC number,

View

• View the NIC hardware information through LSPCI, if it is a USB card, you can run lsusb,

· ifconfig-a View all interfaces, ifconfig eth0 View specific interfaces,

· ifup eth0 start the interface, Ifdown eth0 disable the interface,

• Configuration: run Setup To configure the NIC,

• NIC configuration file /etc/sysconfig/network-scripts/ifcfg-eth0,

· DNS configuration file /etc/resolv.conf ,

• Hostname profile /etc/sysconfig/network,hostname View or temporary modification,

• Static hostname configuration file hosts file :/etc/hosts,

Test

· Ping [ options ] 192.168.1.1 , test connectivity, - C 4 , Ping4 Times, - s 60000 Change the test package size,

· Host or Dig www.baidu.com , Test DNS parsing,

· IP Route , display the routing table,

· netstat Display Network-related information, parameters -tluan , service port number, etc.,

· traceroute www.baidu.com trace the network path,

· mtr www.baidu.com , the network quality test, combined with the traceroute and the Ping ,

8.Linux Network Infrastructure configuration