Part 1: Openstack TripleO Architecture and Step By Step Guide for installation of undercloud and overcloud nodes (compute, controller, ceph-storage)

Part 1: Openstack TripleO Architecture and Step By Step Guide for installation of undercloud and overcloud nodes (compute, controller, ceph-storage)

In the article we will cover below topics Undercloud Overcloud TripleO architecture Undercloud Director Virtual Machine Validate FQDN of the undercloud director Register your undercloud node Installing the Director Packages Creating user for undercloud deployment Configure undercloud deployment parameters Deploy the undercloud You can also configure a HA cluster on your Openstack setup and move … Read more

What is paranoia mode in nscd?

This variable can be used in nscd.conf file if you wish nscd daemon to restart itself after a provided amount of time interval. This argument is used in combination with “restart-interval”Open nscd.conf in edit mode # vi /etc/nscd.conf # enable paranoia for One NDS for 1h restart interval         paranoia     … Read more

Understanding Partition Scheme MBR vs GPT

Understanding Partition Scheme MBR vs GPT

In this article I will try to explain the most basic and common things about partitions and partition scheme which one should know as it will be used on your day to day life if you are a system administrator. To start of lets start with the most basic question What is a partition? Partition … Read more