Vps ovh server configuration

i am using ovh vps to deploy my nodejs application , i installed Git , nodejs, angular cli , npm , but in the last step when i type : node server.js & it show me this error : ` [email protected]:~# internal/modules/cjs/loader.js:638 throw err;` `Error: Cannot find module ‘/root/server.js’ at Function.Module._resolveFilename (internal/modules/cjs/loader.js:636:15) at Function.Module._load (internal/modules/cjs/loader.js:562:25)…

Details