HPC News and Articles

Linux and science are a natural fit. These are a handful of essential software packages both for getting work done and presenting it to others.

How do you find a process running on a Linux system by start time? The question sounds trivial, but the answer is trickier than it first appears.

Shell scripts are often written for simplicity rather than efficiency. A closer look at the processes can lead to easy optimization.

If you are looking for ways to speed up your Linux, consider this collection of curated performance tweaks.

When the history function fails and the manpage is too long, navi comes to the rescue with an interactive cheat sheet for the shell.

It's getting easier to measure the environmental impact of software. A new study suggests criteria for determining how the choice of software impacts resource use.

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.

The Scapy packet manipulation program lets you analyze and manipulate packets to create incident response reports or examine network security.

Before the web as we know it existed, Usenet performed the same tasks now done by web forums and social networks. Despite its declining popularity, Usenet is still employed to publish articles, sustain mailing lists, and even upload files.