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GPLv2

6 articles · Page 1 of 1
dbaplus Community
dbaplus Community
Sep 17, 2026 · Industry Insights

How a Dying Company's $5B Linux Lawsuit Collapsed — and Gave Us 'Signed-off-by'

The article recounts SCO Group's 2003 $5 billion lawsuit against IBM over alleged Unix code in Linux, detailing how Linus Torvalds' 1992 switch to GPLv2 made Linux impossible to monopolize, how Torvalds publicly debunked SCO's code claims line-by-line, how a 1995 contract revealed SCO never owned the Unix copyrights, and how the case led to the kernel's Developer Certificate of Origin (Signed-off-by) still used today.

Developer Certificate of OriginGPLv2Linus Torvalds
0 likes · 20 min read
How a Dying Company's $5B Linux Lawsuit Collapsed — and Gave Us 'Signed-off-by'
21CTO
21CTO
Feb 24, 2024 · Fundamentals

When Open‑Source Licenses Fail: What China’s Supreme Court Ruling Means for Developers

A landmark Supreme People’s Court decision clarified that GPL‑v2 licensing does not automatically shield developers from copyright infringement, detailing a high‑profile case where former employees copied proprietary code, the court rejected the GPL defense, and set new precedent for software‑related IP disputes in China.

ChinaGPLv2legal case
0 likes · 13 min read
When Open‑Source Licenses Fail: What China’s Supreme Court Ruling Means for Developers
Efficient Ops
Efficient Ops
Nov 15, 2022 · Operations

Is Zabbix Still Available in China? Licensing, Compliance, and Global Use Explained

This article explains why Zabbix, an open‑source monitoring platform released under GPLv2, remains freely usable worldwide—including China—by detailing its licensing, public‑domain status under EU export rules, global availability, and extensibility, assuring users of its legal compliance and autonomy.

EU regulationsGPLv2Software Licensing
0 likes · 7 min read
Is Zabbix Still Available in China? Licensing, Compliance, and Global Use Explained
MaGe Linux Operations
MaGe Linux Operations
Aug 28, 2021 · Fundamentals

What Are the Four Birthdays of Linux? Linus Torvalds Reveals the History

Linus Torvalds reflects on Linux’s 30‑year journey, explaining why the OS has four “birthdays” — the first public news‑group post, the 0.01 release, the 0.02 announcement, and the later milestones — while sharing insights on early development, licensing, and the rise of open‑source collaboration.

GPLv2GitLinus Torvalds
0 likes · 8 min read
What Are the Four Birthdays of Linux? Linus Torvalds Reveals the History
Programmer DD
Programmer DD
Aug 26, 2021 · Fundamentals

Why UMIDIGI’s GPLv2 Violation Highlights Open‑Source Compliance Challenges

The Chinese smartphone maker UMIDIGI sparked international controversy by refusing to release Android kernel source code under GPLv2, demanding developers collect it in person, a move that exposed broader compliance issues and ignited heated discussion across Reddit and Twitter.

Android kernelGPLv2Software Licensing
0 likes · 5 min read
Why UMIDIGI’s GPLv2 Violation Highlights Open‑Source Compliance Challenges