SSH

Disable SSH timeout

sudo vim /etc/ssh/sshd_config

Set these options as the followings:

TCPKeepAlive no 
ClientAliveInterval 3200
ClientAliveCountMax 30

Restart SSH system service

sudo systemctl restart ssh 
# or sudo /etc/init.d/ssh restart

Increase SSH connection

$ vim ~/.ssh/config

# Content below
Host *
  ServerAliveInterval 240