Not everything fitted in the first article and i felt a too long “first steps” article might alienate beginners. This time, i will go into some more advanced matters such as: stickiness vs location, N+1 clusters, advanced resource locations, clones and master/slave situations. Before reading this article, you should at least get your feed wed [...]

I am developing a new mail server anti spam solution called decency.  It is a one-in-all solution attempt implementing a policy server (postfix policies), a content filter and a log parser. All three of them run in separate servers but are designed to communicate with each other to improve the spam detection rate a lot. [...]

This article is about setting up Endian 2.3 on a XEN machine without hardware virtualization (hvm). We work in a shared office space. It’s none of those big anonymous spaces where you can rent in on a monthly basis, but it does not belong to us alone. We share it with p4930 (architects) and control-b [...]

This article is about how to setup a fallback connection to reach your network if your NAT fails (eg your primary router with NAT dies and your failover without NAT comes up). A week ago, our internet provider (T-Online, Deutsche Telekom) in the office decided to cut our connection – or at least he could’nt [...]