Here’s how to enable ssh remote access in Ubuntu

• Open terminal (Ctrl+Alt+T)
• Install openssh-server using following command:
  sudo apt-get install openssh-server
• To check ssh status run
  sudo service ssh status
• You may change some settings (e.g., the listening port, and root login permission) by editing the configuration file via command:
  sudo nano /etc/ssh/sshd_config
• Restart ssh server:
  sudo service ssh restart