Cloudlet on ubuntu 16.04

sbw 2019-07-26 14:08:01 UTC #21

apt-get upgrade is successful as below:

apt-get upgrade

Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
apache2 apache2-bin apache2-data
0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.

The problem is with it returns some errors as below.
# apt-get update
Err http://ubuntu-cloud.archive.canonical.com trusty-updates/kilo InRelease

Err http://ubuntu-cloud.archive.canonical.com trusty-updates/kilo Release.gpg
Could not resolve 'ubuntu-cloud.archive.canonical.com'
Err http://ug.archive.ubuntu.com trusty InRelease

Err http://ug.archive.ubuntu.com trusty-updates InRelease

Err http://ug.archive.ubuntu.com trusty-backports InRelease

Err http://ug.archive.ubuntu.com trusty Release.gpg
Could not resolve 'ug.archive.ubuntu.com'
Err http://ug.archive.ubuntu.com trusty-updates Release.gpg
Could not resolve 'ug.archive.ubuntu.com'
Err http://ug.archive.ubuntu.com trusty-backports Release.gpg
Could not resolve 'ug.archive.ubuntu.com'
Err http://ppa.launchpad.net trusty InRelease

Err http://ppa.launchpad.net trusty Release.gpg
Could not resolve 'ppa.launchpad.net'
Err http://security.ubuntu.com trusty-security InRelease

Err http://security.ubuntu.com trusty-security Release.gpg
Could not resolve 'security.ubuntu.com'
Reading package lists... Done
W: Failed to fetch http://ug.archive.ubuntu.com/ubuntu/dists/trusty/InRelease

W: Failed to fetch http://ug.archive.ubuntu.com/ubuntu/dists/trusty-updates/InRelease

W: Failed to fetch http://ug.archive.ubuntu.com/ubuntu/dists/trusty-backports/InRelease

W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/InRelease

W: Failed to fetch http://ppa.launchpad.net/ansible/ansible/ubuntu/dists/trusty/InRelease

W: Failed to fetch http://ubuntu-cloud.archive.canonical.com/ubuntu/dists/trusty-updates/kilo/InRelease

W: Failed to fetch http://ubuntu-cloud.archive.canonical.com/ubuntu/dists/trusty-updates/kilo/Release.gpg Could not resolve 'ubuntu-cloud.archive.canonical.com'

W: Failed to fetch http://ug.archive.ubuntu.com/ubuntu/dists/trusty/Release.gpg Could not resolve 'ug.archive.ubuntu.com'

W: Failed to fetch http://ug.archive.ubuntu.com/ubuntu/dists/trusty-updates/Release.gpg Could not resolve 'ug.archive.ubuntu.com'

W: Failed to fetch http://ug.archive.ubuntu.com/ubuntu/dists/trusty-backports/Release.gpg Could not resolve 'ug.archive.ubuntu.com'

W: Failed to fetch http://ppa.launchpad.net/ansible/ansible/ubuntu/dists/trusty/Release.gpg Could not resolve 'ppa.launchpad.net'

W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/Release.gpg Could not resolve 'security.ubuntu.com'

W: Some index files failed to download. They have been ignored, or old ones used instead.

teiszler 2019-07-26 14:19:37 UTC #22

Strange. It seems like a DNS error. Your machine is unable to resolve those hosts for some reason. I have clicked those URIs and I am able to resolve them, so they still exist. If you something like host security.ubuntu.com does that also return an error? What about host google.com?

sbw 2019-07-26 14:32:45 UTC #23

They both return an error.

;; connection timed out; no servers could be reached

sbw 2019-07-26 15:15:36 UTC #24

@teiszler,

My DNS has some issues that I should investigate. Thank you,

I would like to know if it is possible to upload an application on to the cloudlet using an algorithm. I want to implement a cloudlet selection algorithm for scheduling a real-time application to the cloudlet architectural network that I modeled. Is it also possible to have 3 cloudlets on the same dashboard and how do they communicate? Will I be able to achieve my objective?

sbw 2019-07-26 15:40:43 UTC #25

@teiszler,

In roles/cloudlet-gateway/vars/main.yml if you what gateway_ip do you specify? Because that was the last command I did and ansible-playbook -i ./hosts openstackpp.yaml --tags gateway. Now I can't reach my gateway.

sbw 2019-08-02 13:43:47 UTC #26

@teiszler,

I re installed ubuntu 14.04 and openstack kilo and the error never appeared again. Unfortunately I can not succeed with the troubleshooting. Otherwise thank you for your help.

sbw 2019-08-02 13:48:09 UTC #27

@teiszler,

When I read http://elijah.cs.cmu.edu/DOCS/kiryongha-thesis.pdf, the selection algorithm is emphasized. Am sorry to ask, but can you kindly help and en-light me how the mobile device discovers the available cloudlet.

Thank you for your help.