以下是实验环境设置，线上环境请勿尝试 ### 1.开机启动后，要为root设置密码 sudo passwd root ### 2.设置允许root用户远程连接 vi /etc/ssh/sshd_config #PermitRootLogin prohibit-password 更改为 PermitRootLogin yes ### 3.设置静态ip ``` 安装网卡管理命令 Command 'ifdown' not found, but can be installed with: apt install ifupdown apt install ifupdown2 apt install netscript-2.4 ubuntu-server18.04版本用netplan来管理网卡 cd /etc/netplan 50-cloud-init.yaml network: ethernets: ens33: addresses: [172.16.168.134/24] gateway4: 172.16.168.2 dhcp4: false optional: true nameservers: addresses: [8.8.8.8, 114.114.114.114] version: 2 sudo netplan apply ``` ### 4.ubuntu18.0.4 中防火墙设置 ``` *关闭ubuntu的防火墙 *ufw disable *开启防火墙 *ufw enable ``` ### 5.关闭selinux