OpenStack Icehouse Multi-node Installation with Ceph backend for Cinder and Glance
This is a standard Installation of OpenStack Icehouse on 3 x VM nodes: Controller, Compute and Networking. Later I decided to create 2 separate storage nodes for the Cinder service that will be using CEPH/RADOS cluster as object storage since…
MySQL High Availability and Load Balancing with Keepalived
What we want to achieve here is have a MySQL HA two nodes cluster in Master-Master mode and load balance the instances using as less hardware as possible. The role of the LB will be given to Keepalived that will…
Secure Nginx with Naxsi, SSL, GeoIP and Google Page Speed modules on Debian/Ubuntu
We will use the latest stable version of nginx-naxsi which has XSS (Cross Site Scripting) protection via Naxsi module. We will also build and install this Debian way on Ubuntu-12.04 Precise since we want to include some other useful modules,…
Nginx LDAP module on Debian/Ubuntu
Nginx by default contains the core modules needed which makes it light and lean web server. Any additional stuff needed have to be recompiled and added as modules since Nginx doesn’t have a dynamic (plug-able) module infrastructure like Apache for…
Ceph cluster on Ubuntu-14.04
As pointed on its home page, Ceph is a unified, distributed storage system designed for performance, reliability and scalability. It provides seamless access to objects using native language bindings or radosgw (RGW), a REST interface that’s compatible with applications written…