Prevent ssh auto disconnect after some time
On the server side:
nano /etc/ssh/sshd_config
Add or modify the lines:
ClientAliveInterval 30
ClientAliveCountMax 5
You will need to restart sshd:
/etc/init.d/ssh restart
On the client side:
nano /etc/ssh/ssh_config
Add or modify the lines:
ServerAliveInterval 30
ServerAliveCountMax 5