OpenStack, Troubleshooting

OpenStack DataBase Basic Troubleshooting

Most OpenStack services use a database to store information. The database typically runs on the Controller node.

In this blog post you’ll find some basic troubleshooting and introduction to MariaDB database server OpenStack usage. If you wonder what MariaDB server has to with MySQL server you can check out this link.

First we’ll log into the database server that is running on our Controller node

root@controller:~# mysql -u root -p

After we have entered our DB server password we can see what users have been configured to have access to our database server  Continue reading

Knowledge, OpenStack

Getting Your Hands Dirty with OpenStack

If you ask yourself the inevitable question “where do I start?” this blog post is for you.

Luckily, being an open source software you have free access to OpenStack’s various installations. OpenStack comes in it’s native (or trunk) form and through various company supported distributions – RedHat, Canonical (Ubuntu), SUSE and Mirantis to name just a few. In that sense it is similar to Linux having one common kernel and various companies making their own distributions. There are also many configuration management software platforms like Chef, Puppet and SaltStack that can make life much easier installing OpenStack but takes much of the learning benefit from it.

No Computer? No Problem!

Your first option to have a bit more hands-on experience is at a free website called Also called “deployment-as-a-service”, this website will take you through a step-by-step guide to have a one node or dual node (multi-node is not being supported while writing these lines) OpenStack installation. The focus is to gain familiarity with the installation process rather than having an accessible OpenStack cloud in the sky.  Continue reading


Setting Git and GitHub on Mac OS X

If you are running Mac OS 10.9 (Mavericks) and later you may want to check out GitHub for Mac and install different Git version then the one noted below. 

In this post I’ll walk through the several steps needed to have a running GitHub account synched to a local Git repository. If all these words sounds too intimidating to you I’ll explain it briefly in the text paragraph. Continue reading