What cannot be measured cannot be improved. Netdata lets you measure almost anything – at least as long as it's about the performance and health of a Linux computer.
The kernel supports performance analysis with built-in tools via the Linux performance counters subsystem. perf is easy to use and offers a detailed view of performance data.
Kubuntu 18.04, which is built on Ubuntu Bionic Beaver, is the first long-term support release that includes the Plasma 5 desktop. This article looks at the latest Kubuntu and highlights some cool configuration tricks.