Linux配置IP地址

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ubuntu配置IP

1. 修改配置文件

# vi /etc/network/interfaces

# Thisfile describes the network interfaces available on your system# andhow to activate them. For more information, see interfaces(5).# Theloopback network interfaceauto loiface lo inet loopback# Theprimary network interfaceauto eth0iface eth0 inet staticaddress 192.168.1.104netmask 255.255.255.0network 192.168.1.0broadcast 192.168.1.255gateway 192.168.1.1# dns-*options are implemented by the resolvconf package, if installeddns-nameservers 8.8.8.8dns-search.COM

重启网卡:

# /etc/init.d/networking restart# service network-manager restart  //新版

2. 设置临时IP地址
设置IP：sudo ifconfig eth0 192.168.22.50 netmask 255.255.255.0
设置网关：sudo route add default gw 192.168.22.1
设置NFS:修改/etc/resolv.conf
nameserver DNS的地址1
nameserver DNS的地址2完成

3. 如果出现 unknown host
ping: unknown host www.baidu.com

vi /etc/resolv.conf
nameserver 8.8.8.8

红帽配置IP

1. 配置动态IP
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=dhcp
HWADDR=08:00:27:71:85:BD

2. 配置静态IP

# vi /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0 （设备名称）ONBOOT=yes （计算机启动时是否激活网卡，取值为：yes/no）BOOTPROTO=none   （获取IP地方法：取值为：static/bootp/dhcp）IPADDR=192.168.1.8 （该网络接口地IP地址）NETMASK=255.255.255.0 （子网掩码）GATEWAY=192.168.1.1      （网关地址）TYPE=EthernetUSERCTL=noPEERDNS=noNETWORK=192.168.1.0BROADCAST=192.168.1.255 （广播地址）

# service network restart

3. 如果出现错误
Bringing up interface eth0: Error: Connection activation failed: Device not managed by NetworkManager

# service NetworkManager stop# service network restart

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