Archive for 2012

Load Balanced Linux Web Cluster

Another example of a load balanced apache cluster, this time active-active using Pacemaker/Corosync/ldirectord. This example is using CentOS. – fixed IP of server1 – fixed IP of server 2 – apache site 1 (virtual IP) – apache site 1 server 1 – apache site 1 server 2 – apache […]

Some Munin Notes

Munin – its pretty handy for monitoring stuff over time to view trends. Some notes to get it up and running with a minimal config: Install munin on monitoring server: apt-get install munin vi /etc/munin/munin.conf Add something like: [Webservers;webserver-01] address use_node_name yes [Webservers;webserver-01] address use_node_name yes Group by something sensible, i.e server type, […]