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centos增加內網ip

 1.centos 右鍵右上角的網路連線,選擇編輯連線,然後選中eth0 ,然後編輯,選擇IPV4設定,然後新增自己的ip,掩碼和閘道器

2.網絡卡重啟 service network restart

3.新增路由規則 router add -host  伺服器ip  gw  閘道器地址

在centos中配置ip的步驟:

1. /etc/sysconfig/network-scripts/ifcfg-eth0

 

 

[[email protected] ~]# vi /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0                                    //由eth0來啟動
BOOTPROTO=dhcp                                 //獲取IP的方式是自動獲取,static是固定IP,none是手動
HWADDR=00:0c:29:62:9a:a2                       //網絡卡的實體地址
NM_CONTROLLED=yes
ONBOOT=no                                      //啟動時網路介面是否有效
TYPE=Ethernet
UUID="ed818867-f233-4909-a55d-856833ffce9e"
USERCTL=no
IPV6INIT=no                                    //是否支援IP6
PEERDNS=yes

2. /etc/sysconfig/network

 

 

[[email protected] ~]# vi /etc/sysconfig/network
NETWORKING=yes    //網路是否可用
HOSTNAME=web-1    //主機名,主機名在/etc/hosts裡面配置

3. /etc/hosts

 

 

[[email protected] ~]# vi /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

 4. /etc/resolv.conf

 

 

[[email protected] ~]# vi /etc/resolv.conf
; generated by /sbin/dhclient-script
search localdomain          //搜尋要找的域名,在/etc/hosts裡面設定的有
nameserver 192.168.174.2    //DNS伺服器對應的IP

如果想要自動獲取IP地址,只需要/etc/sysconfig/network-scripts/ifcfg-eth0檔案中的 ONBOOT=no 改為ONBOOT=yes 然後執行下面命令就可以了

 

 

[[email protected] ~]# service network restart