Linux command line set IP, gateway and Dns__linux

Linux command line set IP, gateway, and DNS IP and Subnet Masks execute this command: ifconfig eth0 192.168.1.123 netmask 255.255.255.0 Write these two commands in/etc/rc.local or/etc/rc.d/rc.local, so you can keep them permanently. /etc/sysconfig/network Set the default gateway, host name, whether to start the network 3 items; /ETC/SYSCONFIG/NETWORK-SCRIPT/IFCFG-ETHN, n indicates the network card number, this place can set the parameter of the network card, such as Ip,netmask,network,broadcast,gateway, the power to obtain IP protocol mode (dhcp,static) static, Whether to start on the boot and so on, /etc/resolv.conf Configure DNS servers /etc/hosts the machine name and IP address in the LAN to achieve the purpose of accessing other machines through the machine name (only in the Machine name cannot be checked against IP case)