vim /etc/sysconfig/network-scripts/ifcfg-ens18
TYPE="Ethernet" PROXY_METHOD="none" BROWSER_ONLY="no" BOOTPROTO="static" DEFROUTE="yes" IPV4_FAILURE_FATAL="no" IPV6INIT="yes" IPV6_AUTOCONF="yes" IPV6_DEFROUTE="yes" IPV6_FAILURE_FATAL="no" IPV6_ADDR_GEN_MODE="stable-privacy" NAME="eth0" UUID="6787a2d6-fb4c-4027-a0a3-999b5839344c" DEVICE="eth0" ONBOOT="yes" IPADDR="10.0.1.241" PREFIX="24" GATEWAY="10.0.1.1" IPV6_PRIVACY="no"
service network restart