Configurando IP Static

nano /etc/network/interfaces

address 10.2.9.76 netmask 255.255.255.0 network 10.2.9.0 gateway 10.2.9.254 broadcast 10.2.9.255

# Comando para reiniciar o servi├žo de rede invoke-rc.d networking restart ou /etc/init.d/networking restart