[ale] chmod

Wed Dec 28 22:46:52 EST 2016

Wow it is even on Google Maps!

Christmas in the Grove
https://goo.gl/maps/M9AewbBfs5q

On Dec 28, 2016 11:46 AM, "Sean" <kilpatms at comcast.net> wrote:

> BINGO!
>
> The clue I needed.
>
> Sean
>
> PS.  For those interested in creative uses of programming, I suggest a
> visit
> to Oak Grove sometime over the next 4 nights.  Oak Grove is an
> intersection on
> Lavista Road a half mile east of Clairmont Rd.  Park behind the Walreens
> and
> walk south on Oak Grove Rd. to see the Christmas light show. The entire
> light
> show (this is a major league display) is coordinated with the music and
> runs
> for maybe 15 minutes of so. I am told the home owner also owns a radio
> station
> -- which probably hints at the expertise needed to put something like this
> together.  (Needless to say, his neighbors are somewhat less than thrilled
> at
> the annual display.)  I don't know which takes more time: programming the
> thousands of lights or wiring everything up.
>
> msk
>
> ------------------------------------------------------------
> -----------------------------------------------
>
> On Wednesday, December 28, 2016 7:27:53 AM EST Alex Carver wrote:
> > Ok, a Mac.  Then it's an underlying ACL.
> >
> > Check the ACL using ls -le <file>
> >
> > After that, sudo chmod -N <file> to strip the ACL off the file.
> >
> > The ACLs are stored separately from the file so FAT, HFS and other file
> > systems are able to be controlled by an ACL.
> >
> > On 2016-12-28 07:22, Sean wrote:
> > > Thanks for all the hints.  Most of this stuff I already knew.
> > >
> > > On changing perms, I couldn't make the changes -- even as root.
> > >
> > > I think the ultimate point of friction is the MAC OS.  It is somehow
> > > locking these files with some sort of attribute I do not understand or
> > > know how to disclose -- but one that the FAT file system on the thumb
> > > drive passes on.
> > >
> > > I try to avoid recursive mode (with rare and careful exception)
> because of
> > > the risk of unintended consequences.  It's sorta like moving from a .22
> > > rifle to a 10 gauge shotgun. There are consequences! And they can
> disrupt
> > > your day.
> > >
> > > Sean
> > >
> > > ------------------------------------------------------------
> --------------
> > > --------------->
> > > On Tuesday, December 27, 2016 7:28:04 PM EST Alex Carver wrote:
> > >> He shouldn't need recursive mode if he's inside the same directory as
> > >> the files.
> > >>
> > >> However, which user owns the file?  If you're not the explicit owner
> > >> then it's not going to change permissions.  Sometimes it doesn't
> change
> > >> permissions if you're a member of the group, either.
> > >>
> > >> On 2016-12-27 16:43, Jim Kinney wrote:
> > >>> -r
> > >>>
> > >>> Recursive
> > >>>
> > >>> It may be -R
> > >>>
> > >>> Damn gnu not setting a standard on rR for recursive.
> > >>>
> > >>> On Dec 27, 2016 7:08 PM, "Sean" <kilpatms at comcast.net
> > >>>
> > >>> <mailto:kilpatms at comcast.net>> wrote:
> > >>>     I am confused -- which is nothing new.
> > >>>     Running Fedora 24 on this laptop w/kernel 4.8.14, and CentOS
> 7.2 on
> > >>>     my big
> > >>>     box.
> > >>>     In the past the following command has changed the perms within a
> > >>>     directory of .JPG files so that all of those files have the same
> > >>>     perms:
> > >>>
> > >>>     chmod 660 *.JPG
> > >>>
> > >>>     Now it doesn't. On CentOS.  Works just fine on this laptop
> w/Fedora
> > >>>     24
> > >>>     -- ON SOME DIRECTORIES!!! just not on the directories I need to
> have
> > >>>     this work on.
> > >>>
> > >>>     Specifically, I have some pix taken with an i-phone. They were
> > >>>     transferred to a thumb drive and then to this laptop. The perms
> > >>>     read:
> > >>>     -rw-r--r-- and I want them to read: -rw-rw-r--   I would like to
> > >>>     change the perms on both the thumb drive AND on the laptop.s hard
> > >>>     drive.
> > >>>
> > >>>     I've looked through the man page and, as is often the case, been
> > >>>     unable to
> > >>>     glean a clue.
> > >>>
> > >>>     A clue would be appreciated.
> > >>>
> > >>>     How do I change the perms from -rw-r--r-- on a set of jpg files
> > >>>     within
> > >>>     a
> > >>>     single directory to -rw-rw-r--  ?  And have it stick?
> > >>>
> > >>>
> > >>>
> > >>>     sean
> > >
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>
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