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From: Emmanuel Dreyfus (manunetbsd.org)
Date: Tue Jul 10 2001 - 16:34:20 CDT

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    > | But it is a pain to be unable to use sshd with a read-only filesystem.
    > But having dev readonly does not really work, does it? What happens
    > when you try to write to /dev/null?

    It works. Having the fs read-only does not mean you cannot write to
    devices:

    rootviolette[/root]#mount -o ro /dev/sd0a /
    rootviolette[/root]#dd if=/dev/zero of=/dev/null count=100
    100+0 records in
    100+0 records out
    51200 bytes transferred in 1 secs (51200 bytes/sec)

    What you can't do with /dev/null is set the immutable flag on it. That
    way you won't be able to write to it. 

    -- 
Emmanuel Dreyfus.  
Avec Windows 3.1 ils etaient au bord du gouffre...
Avec Windows 95 ils ont fait un grand bon en avant.
manunetbsd.org