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What is Non-Functional Testing? – All you need to know

Testlodge

Security testing – Testing that aims to reveal vulnerabilities that could potentially be open to abuse. Compatibility -Testing an application across multiple browsers, operating systems, devices, networks, or versions to determine any notable discrepancies. It’s an open-source program with extensive documentation.

Testing 74
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Percona Toolkit – A Quick Introduction to Summary

Percona

Percona Toolkit is a collection of advanced open source command-line tools, developed and used by the Percona technical staff, that are engineered to perform a variety of MySQL, MariaDB, MongoDB, and PostgreSQL server and system tasks that are too difficult or complex to perform manually. And did I mention they are open source?!

Cache 98
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Fallacy #5: Topology doesn't change

Particular Software

Like that drawer in your kitchen that contains the can opener, pot holders and an apple corer, the Public102 server continued to accumulate small, random tasks until it reached a breaking point. Public102 was nearly overloaded, and at the same time, it needed an OS upgrade because Windows 2000 was nearing the end of extended support.

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Rising Tide Rents and Robber Baron Rents

O'Reilly

Perhaps a more direct way to say this in the context of economic value creation is that companies such as Amazon and Google and Facebook had developed a set of remarkable advances in networked and data-enabled market coordination. From 2000 to 2011, the percentage of US adults using the internet had grown from about 60% to nearly 80%.

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Advent Calendars For Web Designers And Developers (December 2021 Edition)

Smashing Magazine

The project is available in twenty languages, and encourages all kinds of contributions to open-source projects — including non-pull-request contributions. Counting down to Christmas, this calendar is dedicated to sharing a new tip for protecting your devices, networks, and data each day. 24 Pull Requests. Bekk Christmas.

Design 109
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A thorough introduction to bpftrace

Brendan Gregg

bpftrace is a new open source tracer for Linux for analyzing production performance problems and troubleshooting software. Kernel dynamic tracing of read() bytes bpftrace -e 'kretprobe:vfs_read { @bytes = lhist(retval, 0, 2000, 200) }'. Originally posted at https:/opensource.com/article/19/8/introduction-bpftrace.

Latency 68
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bpftrace (DTrace 2.0) for Linux 2018

Brendan Gregg

Created by Alastair Robertson , bpftrace is an open source high-level tracing front-end that lets you analyze systems in custom ways. eBPF was created by Alexei Starovoitov while at PLUMgrid (he's now at Facebook) as a generic in-kernel virtual machine, with software defined networks as the primary use case. eBPF does more.

C++ 110