Linux系统固定IP配置

OS版本：CentOS-7-x86_64-DVD-1503-01.iso

用户：root

• 关闭防火墙

• systemctl disable firewalld
  systemctl stop firewalld

   

•  配置固定IP

• cd /etc/sysconfig/network-scripts/
  cp ifcfg-eno16777736 ifcfg-eno16777736.bak
  vi ifcfg-eno16777736
  

  编辑的内容为：

• TYPE=Ethernet
  BOOTPROTO=static
  DEFROUTE=yes
  PEERDNS=yes
  PEERROUTES=yes
  IPV4_FAILURE_FATAL=no
  IPV6INIT=yes
  IPV6_AUTOCONF=yes
  IPV6_DEFROUTE=yes
  IPV6_PEERDNS=yes
  IPV6_PEERROUTES=yes
  IPV6_FAILURE_FATAL=no
  NAME=eno16777736
  UUID=eca9008e-7ef6-4823-b2cd-95afc7e321dc
  DEVICE=eno16777736
  ONBOOT=yes
  IPADDR=192.168.75.141 #根据实际虚拟机地址配置
  GATEWAY=192.168.75.2 #同上
  DNS1=192.168.75.2 #同上
  DNS2=8.8.8.8

  测试IP能否连通

• [root@localhost jdk]# ping www.baidu.com
  PING www.a.shifen.com (115.239.210.27) 56(84) bytes of data.
  64 bytes from 115.239.210.27: icmp_seq=1 ttl=128 time=6.62 ms
  64 bytes from 115.239.210.27: icmp_seq=2 ttl=128 time=6.77 ms
  64 bytes from 115.239.210.27: icmp_seq=3 ttl=128 time=7.11 ms
  64 bytes from 115.239.210.27: icmp_seq=4 ttl=128 time=6.45 ms
  64 bytes from 115.239.210.27: icmp_seq=5 ttl=128 time=6.72 ms

   

over！