같은 router에 접속하여 자신의 IP 주소를 확인한다.
$ ifconfig
[Install]
$ sudo apt update
$ sudp apt install openssh-server
$ sudo service ssh start
[Access another computer]
# Example of ssh: ssh cps@192.168.0.2
$ ssh username@ip_address
------------------------------------------------------------------------------
# For easy to use ssh
$ gedit ~/.bashrc
$ alias (name)='ssh -X username@ip_address'
$ name
# Example of using bashrc
$ gedit ~/.bashrc
$ alias robot1='ssh -X cps@192.168.0.2'
$ robot1