SSH

Instalar SSH
apt-get install openssh-server
systemctl start sshd
Error al conectar por seguridad
Configurar .ssh/config (si no existe, se crea):
Host *
KexAlgorithms +diffie-hellman-group1-sha1,diffie-hellman-group14-sha1
HostKeyAlgorithms +ssh-rsa,ssh-dss
Arrancar demonio SSH
/etc/init.d/ssh start