Re: Fork bombing a Linux machine as a non-root user

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Les Mikesell wrote:

On Sat, 2005-03-19 at 21:29, David Curry wrote:


No, the assumption is that the person installing the OS, expert or
not, knows more about it's capabilities than the person who
built the distribution that will run on anything from a P100
or less to a multi-cpu, multi-Ghz box.




Your interpretation would be much better supported if there was some documentation available to that "person installing the OS" which informed them of the default installation settings and advisability of resetting for specific installation characteristics.



I simply can't believe that anyone who is obviously on the internet and capable of joining a mailing list

How 'bout that! And you know, a few people have even told me they think that on my goods days I can even manage to walk and chew gum at the same time on occasion! :-)

can possibly think there is any lack of documentation available.

Again, you confirm my original premise - that much of the discussion under this thread implicitly assumed linux/unix experts are the ones installing the system. You know! That assumption stated in the lead in paragraph in the prior message which you elected to delete in drafting your reply. The one that read,

"Discussion in this thread frequently reflected an unwarranted, underlying assumption. Namely, that linux/unix experts are intalling the OS, know how the system will be used, and act immediately after installation to reset default installation resource limits to appropriate levels. It is obvious to me from thread discussion that that assumption is invalid. "

 It is true
that a free product generally does not come with a marketing
force that will take you to lunch or golf and hold your hand
while you learn about the product,

Your statement reflects uni-dimensional perception of costs and benefits. Linux is "free" product to the non-expert only in the sense that it may be obtained without any explicit cash outlay for the acquisition. But, there are boatloads of implicit costs the non-expert bears in attempting to install and use a linux operating system. Time spent on the endeavor is NOT a free good. The opportunity cost of the time spent by linux newcomers lacking prior familiarity with linuxeese/unixeese can be quite high as can be the payback to Red Hat for the expense it incurrs in lowering the acquisition cost of Red Hat/Fedora linux distributions and this user forum.

but the ulimit concept has
been documented for anyone who cares to read about it long
before Linux was even around (remember how Linux is a free
implementation of the unix API...).



It is documented for those who know the word exists, yes. That is, it is documented for the subset of linux users who have more than passing familiatity with unix/linux commands and operating system characteristics. And, the particular default resource allocation parameters specific to Fedora Core releases were known only to its kernel developers and those users expert enough in linuxeese to use the ulimit command.



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