The Linux kernel project includes a huge amount of documentation, but that information has seen little in the way of care over the years. The amount of care has increased significantly recently, though, and things are improving quickly. Listen as the kernel’s...
System memory configuration is a transparent operation nowadays, something that we all came to expect to just work out of the box. Still, it does happen behind the scenes every single time we boot our computers. This requires the cooperation of hardware components on...
In I.T. we all use all kinds of metrics. Operations teams rely heavily on these, especially when things go south. These metrics are sometimes overrated. Let’s dive into a few real life stories...
As the name would suggest, a Non-Maskable Interrupt (NMI) is an interrupt-like feature that is unaffected by the disabling of classic interrupts. In Linux, NMIs are involved in some features such as performance event monitoring, hard-lockup detector, on demand state...