root@dev:shiyanlou_project# sudo apt-get install openssh-server
root@dev:shiyanlou_project# /etc/init.d/ssh status
root@dev:shiyanlou_project# netstat -anptu | grep sshd

sudo vim /etc/ssh/sshd_config

Port 22               # 去掉注释
#PermitRootLogin prohibit-password
PermitRootLogin yes   # 把上面的换成yes

root@dev:shiyanlou_project#  service sshd restart

# 类似pip安装
sudo apt-get install XXX
sudo apt-get install -y XXX
sudo apt-get remove XXX