realm testing

commands

:~$ node -v
v4.4.2

:~$ npm -v
2.15.0

:~$ nano /var/log/realm-sync.log
empty file

:~$ curl http://localhost:9080
curl: (7) Failed to connect to localhost port 9080: Connection refused


:~$ sudo ufw status
Status: active

To                         Action      From
--                         ------      ----
9080/tcp                   ALLOW       Anywhere                  
OpenSSH                    ALLOW       Anywhere                  
22                         ALLOW       Anywhere                  
80                         ALLOW       Anywhere                  
443                        ALLOW       Anywhere                  
27080                      ALLOW       Anywhere                  
9080/tcp (v6)              ALLOW       Anywhere (v6)             
OpenSSH (v6)               ALLOW       Anywhere (v6)             
22 (v6)                    ALLOW       Anywhere (v6)             
80 (v6)                    ALLOW       Anywhere (v6)             
443 (v6)                   ALLOW       Anywhere (v6)             
27080 (v6)                 ALLOW       Anywhere (v6)     

:~$ realm-object-server --configuration /etc/realm/configuration.yml
module.js:583
  return process.dlopen(module, path._makeLong(filename));
                 ^

Error: Module version mismatch. Expected 48, got 46.
    at Error (native)
    at Object.Module._extensions..node (module.js:583:18)
    at Module.load (module.js:473:32)
    at tryModuleLoad (module.js:432:12)
    at Function.Module._load (module.js:424:3)
    at Module.require (module.js:483:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/usr/lib/nodejs/realm-object-server/node_modules/realm/lib/index.js:40:24)
    at Module._compile (module.js:556:32)
    at Object.Module._extensions..js (module.js:565:10)