Re: Increasing file descriptors - kernel 2.2.5

Stephen C. Tweedie (
Wed, 21 Apr 1999 00:07:29 +0100 (BST)


On Sat, 17 Apr 1999 13:33:19 -0000, "Irfan Akber" <>

> By default kernel 2.2.5 has 1024 file descriptor limit. How do I increase
> it to 4096. Would modifying the source be OK or should it be patched.

You'll need to be running either one of the Alan Cox kernels, or a
kernel with the fdset patch from

Then all you need to do to turn more fds is to increase the open-file
rlimit for the processes you want (use "ulimit" in bash, for example).

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