配置软件源
https://mirrors.tuna.tsinghua.edu.cn/help/ubuntu/
获取ip
ip addr show
sudo apt install net-tools
ifconfig
安装ssh
sudo apt install openssh-server
标签:cn,ip,sudo,apt,install,使用,ubuntu From: https://www.cnblogs.com/TheImportanceOfLiving/p/17497482.html