内核、dns、网卡配置
升级内核(安装新版软件包)
rpm -ivh kernel-3.10.0-123.1.2.el7.x86_64.rpm
二、配置永久IP地址,子网掩码,网关地址 /etc/sysconfig/network-scripts/ifcfg-eth0 网卡配置文件
[root@host1 network-scripts]# vim ifcfg-eth0
DEVICE="eth0"
ONBOOT="yes"
IPV6INIT="no"
BOOTPROTO="static"
TYPE="Ethernet"
IPADDR="192.168.0.10"
NETMASK="255.255.255.0"
GATEWAY="192.168.0.254"
[root@host1 network-scripts]# ifdown eth0;ifup eth0
三、配置DNS服务器地址(将域名解析为对应的IP地址) /etc/resolv.conf DNS服务器地址的配置文件
[root@A ~]# vim /etc/resolv.conf
nameserver 172.25.254.254
验证:
[root@A ~]# nslookup server0.example.com