Headup

So this one is pretty simple. However, I found a lot of misinformation along the way, so I figured that I would jot the proper (and most sim...

Sometimes you need to change the password to a user in a qcow2 image, to test locally, or if you are using an infrastructure without cloud-i...

A quick way to get the total amount of provisioned space from cinder alvaro@skyline.local: ~ $ cinder list --all-tenants mysql like output :...

In any kind of distributed system, you will have to choose between consistency, availability, and partitioning, the   CAP theorem   states t...

A quick guide to remembering how to keep up-to-date forked repos: First: Manage a set of tracked repositories. alvaro@skyline.local: ~/docke...

Monitors can be severely affected by significant clock skews across the monitor nodes. This usually translates into weird behavior with no o...

  I don't recall any reason to do this other than using the same user and auth key to authenticate in different Ceph clusters, like in a...