what is root user's password?

Connect to Synology dns with your admin user and password. Change user to root with the command sudo su and enter the Admins's password.

Root password is the same as the password of the admin account. To block hackers, disable SSH and enable the firewall. Even better, set rules to ...

There is no default SSH access password because ssh has to be enabled from the control panel. To that you would have had to create an account.

Enter the password of the default account admin. You are now signed in to DSM/SRM with root privilege via SSH. Sign in from earlier versions of Windows.

輸入預設帳號「admin」的密碼。 您現在已透過SSH 連線，以root 權限登入DSM / SRM。 在Windows 早期版本上登入. 在 ...

Enter the password of the default account admin. You are now signed in to DSM/SRM with root privilege via SSH. Sign in from earlier versions ...

若您需要取得root 權限，請於命令列介面(例如：PuTTY) 上使用屬於Local Administrators 群組中的任一帳號密碼登入DSM UC，並執行sudo -i 指令來切換至root 存 ...

先用ssh以管理者身份登入Synology Nas. 接著輸入下列指令,就可以修改root密碼. sudo synouser --setpw root [PASSWORD]. 並設定允許root登入

In DSM Version 6 you can still login as root when using RSA keys. Therefore just copy your public key as admin to your Synolgy.            

Trying to log in via SSH as root, or from admin, su as root, though asks for a password and doesn't accept the admin account password. Is there even a root ...