以下是實驗環境設置，線上環境請勿嘗試 ### 1.開機啟動后，要為root設置密碼 sudo passwd root ### 2.設置允許root用戶遠程連接 vi /etc/ssh/sshd_config #PermitRootLogin prohibit-password 更改為 PermitRootLogin yes ### 3.設置靜態ip ``` 安裝網卡管理命令 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來管理網卡 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 中防火墻設置 ``` *關閉ubuntu的防火墻 *ufw disable *開啟防火墻 *ufw enable ``` ### 5.關閉selinux