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Editorial Team
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Asked: 2026-05-28T05:09:24+00:00

I have previously setup a EC2 instance on Ubuntu 10.04 and setup the necessary

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I have previously setup a EC2 instance on Ubuntu 10.04 and setup the necessary binaries to allow ssh and more importantly FreeNX(no machine) to work on my MacOS-10.6 machine.

As this was done on a micro instance, i was keen to try it on small instance today so i created a AMI image from the aws management console(browser) and launch a new small instance using the image with the exact same keypair and security setting.

Expecting the instance to work exactly the same(except much faster) i tried to connect to it using SSH and FreeNX again.

Result:

  • SSH is working fine and my env look exactly the same.

  • NX is unable to connect.

it complain username/password is incorrect.

I wonder why this is happen since i did an exact clone of the EC2 instance and i can connect fine using NX with the previous instance?

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1 Answer

  1. Editorial Team

    I had the same issue, and after a lot of searching fixed it. It seems freenx lost the usernames and passwords. I fixed it by doing the following:

    log in with putty as ubuntu user then

    cd /etc/nxserver
sudo vim node.conf
set ENABLE_PASSDB_AUTHENTICATION="1" and save the file

    then

    sudo nxserver --adduser xxxxxx
sudo nxserver --passwd yyyyyy
sudo nxserver --restart

    after that I was able to log in using nomachine with the username and password I just set.

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