Department of Information Technology

Computing in the cloud

Here we will collect tips and information about our cloud computing resources.

More information about the Cloud infrastructure is found at http://www.it.uu.se/datordrift/maskinpark/cloud

We are using and OpenStack-based cloud system from HPE with both vmware- and kvm-compute nodes.

Ubuntu 16 LTS

2017-07-10 - We don't recommend trying to use the Ubuntu Xenial 16.04 LTS distribution as there are problems.
We recommend you use the ubuntu 18.04-image.

SSH to the new cloud machine

You will get a .pem-file when you get the new VM.
This should be put into your .ssh-folder and have a chmod of 400
The .ssh-folder should not have more than 700 either.

Example:

root@astrid:~# ls -al .ssh/astrid.pem 
-r-------- 1 astra772 it 1702 Feb 24 12:18 .ssh/astrid.pem

SSH to the cloudmachine with

ssh -i .ssh/FILENAME.pem USER@computer-with-public-ip

USER = the standard username you will get information about,
FILENAME.pem you have to replace with the name of your .pem-file and
computer-with-public-ip the IP you will get when you get your machine.

We recommend you create a new user for day-to-day-maintenance and create some ssh-keys too.
Make sure that this user can sudo. (visudo and edit or change groups accordingly).

Updated  2019-05-31 12:05:28 by Astrid Raidl.