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I just received an ODROID C2 IoT gadget. I flashed an Armbian image with Debian according to Getting Started. I am at the How to login? step:

Login as root on console or via SSH and use password 1234. You will be prompted to change this password at first login. You will then be asked to create a normal user account that is sudo enabled (beware of default QWERTY keyboard settings at this stage).

The machine responds to pings but it does not allow me SSH access:

$ ping 172.16.4.5 
PING 172.16.4.5 (172.16.4.5): 56 data bytes
64 bytes from 172.16.4.5: icmp_seq=0 ttl=64 time=0.402 ms
64 bytes from 172.16.4.5: icmp_seq=1 ttl=64 time=0.392 ms
^C
...
ssh: connect to host 172.16.4.5 port 22: Connection refused

I believe the machine has booted. I know it has an IP address. The blue LED is flashing two short ON, one OFF.

I seem to be having the same problem as the person at Connection refused (via SSH). But the other fellow updated his system and lost access; I'm on a fresh install.

Does anyone know what's going on with the device? Does Armbian put their SSH access on a different port? Maybe something else?

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3 Answers 3

Reset to default
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Does anyone know what's going on with the device? Does Armbian put their SSH access on a different port? Maybe something else?

The issue seems to be the instructions are wrong.

After flashing and upon first boot via the microSD card, the machine performs a partial command line boot. Its only partial because it stops and ask for a new root user password, complete with the old/new password prompt. After the password is changed the machine operates as expected, including adding a regular user and then booting into a desktop manager.

I did not realize the machine was waiting for input because there was no display, keyboard or mouse attached. In addition, the instructions said I could SSH into it without discussing other tasks, like attaching a monitor and keyboard to change the password prior to SSH access.

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  • The server image boots up first and then you can switch the root pw / create your user. maybe it's better for your use.
    – Florian Heigl
    Oct 23, 2016 at 19:27
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While installing Debian you get asked to choose additional Software to install. If you didn't select SSH-Server in the list you have to install it afterwards. I think you only can do that by connecting a Keyboard and Monitor to your ODROID and reinstalling it. You can follow this Tutorial for installing Open-SSH Server

(Yes, I know its for Ubuntu but it shouldn't make a difference)

Otherwise you can try to reinstall Debian and selecting SSH-Server while installation.

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  • if he uses armbian it's not his choice whether ssh is installed. infact it is, and likely they have a bug...
    – Florian Heigl
    Oct 23, 2016 at 19:22
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Friend, save yourself some grief and flash the official odroid Ubuntu version. You are probably long past this, but I installed Armbian and found that it was slower and lacked many of the Odroid/Hardkernel features. The Odroid wiki recommends 'Etcher' which is the best 'flasher/formatter' that I've ever seen. Etcher beautifully formats your card in one clean sweep. Then you get an OS (Ubuntu or Android) that comes closer to working.

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