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From Wired How-To Wiki Unfortunately, WD-40 won't help you here. Ethernet cable picture courtesy of Saschaaa via Flickr
K eepalived provides a strong and robust health checking for LVS clusters. It implements a framework of health checking on multiple layers for server failover, and VRRPv2 stack to handle director failover. How do I install and configure Keepalived for reverse proxy server such as nginx or lighttpd? If your are using a LVS director to loadbalance a server pool in a production environment, you may want to have a robust solution for healthcheck & failover. This will also work with reverse proxy server such as nginx. Our Sample Setup
CentOS / Redhat Linux: Install Keepalived To Provide IP Failover For Web Cluster
There are a lot of reasons you might want to manually set your MAC address for your network card. I won’t ask you what your reason is. To change this setting, we’ll need to edit the /etc/network/interfaces file. You can choose to use a different editor if you’d like.
Change your Network Card MAC Address on Ubuntu :: the How-To Geek
Ariadne
Introduction Ariadne is a Java-based plug-in to the Eclipse IDE that visualizes the social networks present in distributed software projects. Ariadne builds a call-graph from an Eclipse project using an appropriate call graph generator. After creating the call-graph, Ariadne automatically connects to the configuration management repository associated with the project to retrieve authorship information about the project. With this information, it creates a structure called a "social call-graph", or a call-graph annotated with authorship information. From the "social call-graph", Ariadne generates a sociogram and can display it as a graph using Prefuse .