I have been working with Unix based systems for most of the past 20 years, and have worked professionally with Linux for the last 16 years. Early on I was involved in implementing the first recognised mission critical system on Linux (standish group) and These days I work on high frequency trading (HFT) and low latency systems where tuning every microsecond counts and make use of every trick I can find to achieve these times.
In my journeys across the linux landscape I find there is a lot of seriously cool stuff that has been developed for and added to the core system. The part that surprises me is that few people even know about this 'cool stuff', even fewer make use of it even when it's applicable. Some simple examples being cgroups, schedulers, capabilities, security, and many many more.
The intent of this blog is to being some attention to these new kernel and system facilities, why they are important, how and when to use them. Hopefully this will be of benefit to some other Linux dinosaurs out there.
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