Re: FW: dmesg -a lines' explanation? NEWBIE

From: David Armour (dfarmour_at_myrealbox.com)
Date: 04/01/05

  • Next message: Gert Cuykens: "Re: ports compile error cvsup (libtool15)" 
    Date: Thu, 31 Mar 2005 19:39:28 -0800
To: freebsd-questions@freebsd.org

    hello Danny,

    thanks for your help, and sorry for the delay getting back to you.

    > > /etc/devfs.conf:perm xpt0 0666 #permissions are set properly at
    > > boot
    > > ... i'll have to take another google around, later
    > perm means permissions are being set, xpt0 is the device ('ls /dev') 0666
    > are the permissions. 4=read-only, 5=readable-and-executable,
    > 6=readable-writable, 7=readable-writable-executable. See 'man chmod'. The

    pretty incredible that i didn't get a chance to actually do any googling
    before i had more info than i knew what to do with! for example:

    > Devfs is a lot better than the static devices we had before (4.X and
    > before) where all possible devices (when supported in the kernel or with
    > modules) had to be hardcoded whether they were really present or not.

    > FWIW, I have a great preference for using grep after a pipe, I get confused
    > by its options also so I tend to avoid them (except -v), e.g
    > cat file | awk { something } | sed s/something/something_else/g | grep
    > keyword

    i'm way far away from understanding awk & sed. so {something}, in this case
    would be {permissions are set properly at boot}? but what's the
    "sed /something/something_else/g"... etc.?

    > Look into tools and learn the few that for some reason appeal to you. Learn
    > some inside out and others briefly. There's many ways to Rome you know...

    seven, as i recall. or was that hills? sono perplesso!

    > For general tricks and tips search for general unix/shell/sh/bash/csh
    > how-to's and console tips. The book Unix Power Tools is a great resource

    i got that one out of the library a few months back, and yes, it was helpful.
    i'll google for the how-to's & console tips. thanks for the recommendations!

    > HTH,

    big time. gracias.

    dave
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  • Next message: Gert Cuykens: "Re: ports compile error cvsup (libtool15)"

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