Ubuntu20.04系统初始化设置

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固定内网IP

sudo vim /etc/netplan/00-installer-config.yaml      #修改配置文件
network:
  ethernets:
    enp0s31f6:
      dhcp4: false
      addresses: [192.168.2.30/24]
      gateway4: 192.168.2.1
      nameservers:
              addresses: [192.168.2.1]
  version: 2
sudo netplan apply   #应用设置

设置用户sudo不需要输入密码

sudo vim /etc/sudoers.d/{{username}}
{{username}} ALL=NOPASSWD:ALL

添加ssh key

mkdir .ssh
vim .ssh/authorized_keys