On Fri, May 05, 2006 at 11:32:18PM +1000, Mike Lake wrote: > My machine has this: > > ~$ ls -l /dev/uran* > cr--r--r-- 1 root root 1, 9 Jun 20 2002 /dev/urandom > > ~$ ls -l /dev/ran* > crw-rw-rw- 1 root root 1, 8 Jun 20 2002 /dev/random
> Why is one writable by all and the other not ? I think both should be 666. IIRC, if you write to urandom, it gives the pseudo random generator a new seed. Your boot scripts might do something to it. > If I do as root 'ln -s /dev/random /dev/urandom' what might it screw up? Nothing; random is a true random device, and the urandom a pseudo-random device. There is a small security issue when you don't use true random numbers, but this is largely theoretical. > How can I go back again and create the character device? man mknod -i
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