Hello Experts,We currently have a pair of x86 boxes running Ubuntu Server with heartbeat running Nginx (as a reverse proxy to a server pool) in active/passive mode. I built it with Ubun... [by mevans336]
I have a pair of servers setup as high availability load balancers/reverse proxies. Each runs Ubuntu 12.04 x64 Server, Varnish, Heartbeat and Pacemaker, with Varnish load balancing traffic to back-end servers.
If either of the load balancers falls over, Heartbeat/Pacemaker transfers a group of virtual IPs over to the other server, and traffic flow resumes.
I have got e.g. two servers with Apache and Postfix and a virtual IP (from heartbeat-1). Well, heartbeat is working well and it is simple to deal with complete server outages, but how can I configure heartbeat, so that it also switches the server, if one of the above services fail?
I am running perfectly running reverse proxy server for multiple domains, with 1 TB of RAM, 160 TB of HDD, fast as hell, running at this moment 364 websites, where pass thru data is around 1-5 GB per second.
Fencing is not heartbeat. Fencing is used to put the other node into a known state in case the heartbeat disappears. It's also known as stonith (shoot the other node in the head). Heartbeat go... [by TrevorH]
How To Set Up nginx As A Reverse Proxy For Apache2 On Ubuntu 12.04
"engine x") is a free, open-source, high-performance HTTP server. nginx
is known for its stability, rich feature set, simple configuration, and
low resource consumption. This tutorial shows how you can set up nginx
as a reverse proxy on front of an Apache2 web server on Ubuntu 12.04.
I have been working with a simple server that sends a heartbeat packet every 30 seconds to a client who then acknowledges the heartbeat with a heartbeat reply packet. When I brutally terminate the server by sending it SIGKILL, SIGSEGV the client discovers this via select() and read() system calls readily enough.