[Koha] Can't access my newly installed koha

[Javed Sahil]

---------- Forwarded message ----------
From: "Javed Sahil" <sahil.ke.paas at gmail.com>
Date: Mar 2, 2017 2:55 PM
Subject: Can't access my newly installed koha
To: <koha at lists.ktipo.co.nz>
Cc:

Hello Seniors,
> I am new to koha, I installed Unbuntu Server 16.04 LTS and then Koha, as
> instructed on koha website. But when i try to access my koha on another
> machine, it says: (Screenshot Attached).
> System Maintenance
>
> The Koha online catalog is offline for system maintenance. We'll be back
> soon! If you have any questions, please contact the site administrator
>
> I need your help plz.
>