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Ubuntu instance not responding

Hello Everyone,

I have a single node installation of Openstack using Devstack

I launched an instance using cirros image through the dashboard and it works fine.

However, I created an Ubuntu 14.04-server image using the following link:

Finally, I uploaded the image using the following command

glance image-create --name ubuntu-14.04-server --disk-format=qcow2 --container-format=bare --is-public=True < ubuntu-14.04-server.img

However, I did not use nova boot command as given in the blog. Instead I launched it as an instance through the dashboard, by assigning a Security Group, a keypair, and a floating IP address. The dashboard shows it as running. However, I cannot ping the instance from another linux workstation Also, I am also not able to logon onto this instance using the following command:

ssh -i key-pair.pem username@

The error message says: ssh: connect to host port 22: No route to host

All workstations are connected via a wireless LAN

I would greatly appreciate if anyone can help me resolve this problem

Thanks in anticipation.

Best regards,

Hamid Sultan