Modify IP addresses in Linux

In Linux, modify the IP address. in Linux, edit the network configuration file and set the system IP address. of course, perform the following steps under the root permission: 1. switch the path to etcsysconfignetwork-scripts [root @ Compilenetwork-scripts] p. in Linux, modify the IP address in Linux, edit the network configuration file, and set the system IP address, of course, you must perform the following operations under the root permission: 1. switch the path to/etc/sysconfig/network-scripts [root @ Compile network-scripts] # pwd/etc/sysconfig/network-scripts2, view ifcfg-eth0 file properties, make sure you have the edit permission [root @ Compile network-scripts] # ls-l ifcfg-eth0-rw-r -- r --. 1 root 258 September 24 18:05 ifcfg-eth03, edit the file ifcfg-eth0, add the following information ONBOOT = yesBOOTPROTO = staticIPADDR = 192.168.30.175NETMASK = 255.255.255.0GATEWAY = 192.168.30.1 command: [root @ Compile network-scripts] # vi ifcfg-eth0DEVICE = eth0TYPE = EthernetUUID = bytes = yesNM_CONTROLLED = yesBOOTPROTO = staticHWADDR = 00: 23: AE: A8: D7: 1 EIPADDR = 192.168.30.175NETMASK = 255.255.255.0GATEWAY = 192.168.30.1IPV4 _ FAILURE_FATAL = yesIPV6INIT = noNAME = "System eth0" 4. restart network service [root @ Compile network-scripts] #/etc/init. d/network restart: closing the interface eth0: Device status: 3 (disconnect) [OK] disable the loopback interface: [OK] the loopback interface is displayed: [OK] eth0: active connection status: active connection path:/org/freedesktop/NetworkManager/ActiveConnection/2 [OK] 5. set the network IP address by using commands, [root @ Compile network-scripts] # ifconfig eth0 192.168.30.175 netmask 255.255.255.0 [root @ Compile network-scripts] # route add default gateway 192.168.30.1