How to use root in Synology DSM

You may use “ssh admin@[NAS IP]” to login DSM but not root. They are different user. Most configuration need root access to edit. You have to first ssh as admin then use “sudo su –” to root.

admin@DS214SE:/$ sudo su -

We trust you have received the usual lecture from the local System
Administrator. It usually boils down to these three things:

    #1) Respect the privacy of others.
    #2) Think before you type.
    #3) With great power comes great responsibility.

Password: 
root@DS214SE:~# 

Login as root

After switching to root, use “synouser –setpw root [new password for root]” to give root a different password for security concern. Next time, you may login as root with your new password.

root@DS214SE:~# synouser --setpw root 1$9%A
root@DS214SE:~# exit
logout
admin@DS214SE:/$ sudo su -
root@DS214SE:~# exit
logout
admin@DS214SE:/$ exit
logout
Connection to 192.168.1.142 closed.
Amigos-Mac-mini:.ssh Amigo$ ssh root@192.168.1.142
root@192.168.1.142's password: 
root@DS214SE:~# 

How do i get root access again, step by step? on Synology Community Forum has a detail discussion on this topic.

Reference

1. Synology: Community Forum: How do i get root access again, step by step?
2. Synology: DSM
3. Wiki: Secure Shell
4. Wiki: su (Unix)
5. Wiki: sudo

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