Problem Executing from USB Drive

From: Mike McCarty (mike.mccarty_at_sbcglobal.net)
Date: 06/30/05

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    Date: Thu, 30 Jun 2005 14:27:12 -0500
    To: For users of Fedora Core releases <fedora-list@redhat.com>
    
    

    I'm having problems executing programs from a mounted USB drive.

    $ grep /dev/sda1 /etc/fstab
    /dev/sda1 /mnt/usb auto noauto,user 0 0

    $ ls -ld /dev
    drwxr-xr-x 23 root root 155648 Jun 28 15:36 /dev

    $ ls -ld /dev/sda1
    brw-rw---- 1 root disk 8, 1 Feb 23 2004 /dev/sda1

    $ ls -ld /mnt
    drwxr-xr-x 12 root root 4096 Jun 29 15:34 /mnt

    $ ls -ld /mnt/usb
    drwxr-xr-x 5 root root 4096 Jun 23 15:04 /mnt/usb

    $ ls -ld /mnt/usb/jmccarty
    drwx------ 14 jmccarty jmccarty 4096 Jun 28 08:44 /mnt/usb/jmccarty

    $ ls -l /mnt/usb/jmccarty/hello
    -rwxr-xr-x 1 jmccarty jmccarty 4731 Jun 23 15:03 /mnt/usb/jmccarty/hello

    $ /mnt/usb/jmccarty/hello
    bash: /mnt/usb/jmccarty/hello: Permission denied

    $ uname -a
    Linux Presario-1 2.6.10-1.771_FC2 #1 Mon Mar 28 00:50:14 EST 2005 i686
    i686 i386 GNU/Linux

    $ whoami
    jmccarty

    $ cp -p /mnt/usb/jmccarty/hello .

    $ ls -ld .
    drwxr-x--- 48 jmccarty jmccarty 4096 Jun 30 14:20 .

    $ ls -l hello
    -rwxr-xr-x 1 jmccarty jmccarty 4731 Jun 23 15:03 hello

    $ ./hello
    Hello

    So why is permission denied? It's not just that it's removable
    medium. So is the floppy, but I can execute from there.

    Mike

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