Ubuntu

tzselect   #设置时间
sudo ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime   #创建时区软链
timedatectl status   #查看时间

#Ubuntu 18.04使用netplan配置网络
sudo vim /etc/netplan/00-installer-config.yaml

# This is the network config written by 'subiquity'
network:
  ethernets:
    eth0:
      addresses:
      - 192.168.0.20/24
      gateway4: 192.168.0.10
      nameservers:
        addresses:
        - 192.168.0.8
  version: 2

sudo netplan apply
   #重启
ip addr list  #查看 

#使用ifupdown配置网络
sudo apt install ifupdown #安装ifupdown

ifconfig   #查看IP
netstat -rn 或 route -n   #查看网关
cat /etc/resolv.conf   #查看DNS

#修改配置文件
sudo vim /etc/network/interfaces

iface ens160 inet static
address 192.168.0.20
gateway 192.168.0.10
netmask 255.255.255.0
dns-nameservers 192.168.0.8

sudo services network restrart   #重启网络服务使配置生效

#修改DNS
sudo vim /etc/resolv.conf

sudo /etc/init.d/resolvconf restart #重启服务使DNS生效