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[News] Tanenbaum Proven Wrong About Free Software for Kernel

  • Subject: [News] Tanenbaum Proven Wrong About Free Software for Kernel
  • From: Roy Schestowitz <newsgroups@xxxxxxxxxxxxxxx>
  • Date: Sun, 21 Feb 2010 02:22:51 +0000
  • Followup-to: comp.os.linux.advocacy
  • Newsgroups: comp.os.linux.advocacy
  • User-agent: KNode/4.3.1
Hash: SHA1

Herding the Meta-Cats

,----[ Quote ]
| In the famous online argument between Linus 
| and Minix creator Andrew Tanenbaum during the 
| very early days of Linux, one of the more 
| memorable statements from the latter was the 
| following:
| I think co-ordinating 1000 prima donnas living 
| all over the world will be as easy as herding 
| cats
| The âprima donnasâ that he was referring to 
| were hackers, rather than opera singers, and 
| his point was that it's hard to get 
| technically very able people with strong 
| opinions to agree to the point where they can 
| move a software project forward. And that, 
| indeed, is part of the amazing achievement of 
| Linux and all the free software projects that 
| have adopted its methodology: without formal 
| lines of command or management structures 
| being imposed on them, those same prima donnas 
| often *do* manage to agree on enough to make 
| projects successful well beyond what 
| traditional development techniques can 
| produce.
| So, it turned out that Tanenbaum was wrong as 
| far as herding those particular cats was 
| concerned, but what about at the next level: 
| how easy is it to herd *meta*-cats â that is, 
| to get the various projects working together 
| in a more coordinated fashion? 


New attempt to integrate AppArmor into Linux 

,----[ Quote ]
| John Johansen, a developer with commercial 
| Ubuntu sponsor Canonical, has submitted an 
| updated version of the AppArmor security 
| framework to the Linux kernel developers for 
| inspection. Johansen writes that, like the 
| SELinux and Tomoyo solutions already 
| integrated into the kernel, this fourth 
| general posting of AppArmor uses Linux 
| Security Modules (LSM) to hook into the 
| kernel. Some, but not all of the 
| characteristics criticised by the kernel 
| developers when AppArmor was posted last have 
| reportedly been corrected in the new posting â 
| known for his rather direct comments, however, 
| the maintainer of the Virtual File System 
| (VFS) of Linux soon also found various 
| inconsistencies in the newly posted code.


Invoking user-space applications from the kernel

,----[ Quote ]
| Invoking specific kernel functions (system 
| calls) is a natural part of application 
| development on GNU/Linux. But what about going 
| in the other direction, kernel space calling 
| user space? It turns out that there are a 
| number of applications for this feature that 
| you likely use every day. For example, when 
| the kernel finds a device for which a module 
| needs to be loaded, how does this process 
| occur? Dynamic module loading occurs from the 
| kernel through the usermode-helper process.



Video: Andrew Tanenbaum on Bugs and Minix' Reincarnation Server

,----[ Quote ]
| Linux Pro Magazine met the author of
| numerous standard works in informatics and
| the most famous Linux critic at the Fosdem
| in Brussels.

Version: GnuPG v1.4.9 (GNU/Linux)


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