CENTOS 7- manual setup network

After minimal install you need run nmtui or edit file.

ip link show
ip addr show/list
systemctl restart network

Network:

Use nmtui or setup manually.

cat /etc/sysconfig/network-scripts/ifcfg-ens18

TYPE=Ethernet
BOOTPROTO=none
IPADDR=192.168.65.55
NETMASK=255.255.255.0
GATEWAY=192.168.65.1
DNS1=192.168.65.1
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=ens18
UUID=b3479af3-db18-4721-a3a8-2d2fa13bb970
DEVICE=ens18
ONBOOT=yes
PEERDNS=yes
PEERROUTES=yes
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes

hostname setup:
1) hostnamectl status
2) hostnamectl set-hostname "my-name"

or

cat /etc/hostname