In the previous article in this series (‘Data Centre Redundancy’, page 56, April 2009) we got an overview of the architecture associated with data centre redundancy. An important aspect of this is to make sure that the traffic is evenly distributed across all the data centres in order to fully utilise the available capacity. In this concluding article, we will discuss the use of LVS (Linux Virtual Server) to load balance the traffic across data centres.
Let’s explore SELinux modes, and learn a few commands that will help in understanding SELinux policies better.
Just because you’re using a WEP key on your wireless access point doesn’t mean you’re safe from crackers in the neighbourhood.