Merge pull request #1929 from fpletz/fix/master/fix_dhcp_on_debian_ubuntu_guests

DHCP renewal on Debian/Ubuntu after setting hostname

plugins/guests/debian/cap/change_host_name.rb

@@ -9,6 +9,7 @@ module VagrantPlugins
               comm.sudo("sed -i 's/.*$/#{name.split('.')[0]}/' /etc/hostname")
               comm.sudo("hostname -F /etc/hostname")
               comm.sudo("hostname --fqdn > /etc/mailname")
+              comm.sudo("ifdown -a; ifup -a")
             end
           end
         end

plugins/guests/ubuntu/cap/change_host_name.rb

@@ -14,6 +14,7 @@ module VagrantPlugins
                 comm.sudo("service hostname start")
               end
               comm.sudo("hostname --fqdn > /etc/mailname")
+              comm.sudo("ifdown -a; ifup -a")
             end
           end
         end