xshell connection to ubuntu

[xshell connection to ubuntu]

使用ubuntu 20.04

1.检查目前ssh工具
dpkg -l | grep ssh

2.安装ssh server
sudo apt-get install openssh-server

3.确认目前ip
hostname -I

4.检查ssh是否为启用 启用则可以连线
sudo systemctl status ssh

5.启动
sudo systemctl enable ssh
sudo systemctl start ssh