Ubuntu配置SSH
1.安装SSH
sudo apt-get install openssh-server

2.启动服务
sudo /etc/init.d/ssh start

3. 查看是否正确启动
ps -e | grep ssh

4. 生成公钥和私钥
ssh-keygen -t rsa

5. 查看公钥和私钥

6.将自己的公钥追加到authorized_keys中
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys

7.登录SSH(这里就不再需要输入密码了)
ssh localhost

8.退出exit
