Configure IP addresses in centos 7

Configure IP addresses in centos 7
Environment

Virtual Machine: VMWare10.0.1 build-1379776

Operating System: 64-bit CentOS7

Introduction

CentOS7 Minimal installation (Minimal) without the ifconfig command, which can be installed in the net-tools Package through yum, but when our network is not configured, at this time, yum cannot work (cannot be connected to the network to download software packages ). Then we need to manually configure Nic settings.

View network adapters

ip a

Lists information about all network adapters.

Lo is the local loopback address 127.0.0.1

Eno16777736 is our VM Nic.

Configure IP addresses

Open/etc/sysconfig/network-scripts/ifcfg-eno16777736

vi /etc/sysconfig/network-scripts/ifcfg-eno16777736

Default Configuration

Modify configurations

Description

IPV6INIT = no # Disable ipv6

ONBOOT = yes # Start automatic loading

HWADDR = 00: 0C: 29: C7: A9: 5D # enter the MAC address based on the virtual machine network adapter Configuration

PREFIX = 24 # Mask Length

Complete configuration file

TYPE=EthernetBOOTPROTO=noneDEFROUTE=yesIPV4_FAILURE_FATAL=noIPV6INIT=noIPV6_AUTOCONF=yesIPV6_DEFROUTE=yesIPV6_FAILURE_FATAL=noNAME=eno16777736UUID=f74f183e-026c-44fd-91f3-08a08a3d02cfDEVICE=eno16777736ONBOOT=yesDNS1=114.114.114.114HWADDR=00:0C:29:C7:A9:5DIPV6_PEERDNS=yesIPV6_PEERROUTES=yesIPADDR=10.12.2.68PREFIX=24GATEWAY=10.12.2.254

Restart NETWORK SERVICE

service network restart

Test network, ping Gateway

ping 10.12.2.254

According to the feedback, the network and configuration are completed.