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Thread: Why is this failing?

  1. #1
    Join Date
    Oct 2011
    Location
    Ohio, USA
    Beans
    420
    Distro
    Ubuntu

    Why is this failing?

    This is a directory in my home directory that I am trying to delete. Every time I try, I get "Operation not Permitted." Even when I elevate myself to root, I cannot do it.

    Code:
    root@bill-UBU:/home/bill# ls -ald Novels
    drwxrwxrwx 2 bill bill 4096 Sep  2 21:10 Novels
    root@bill-UBU:/home/bill# rmdir Novels
    rmdir: failed to remove 'Novels': Operation not permitted
    root@bill-UBU:/home/bill#
    If I move up a directory, I see that somehow I am NOT the owner of my own home directory. Something named "124" is the group and not "bill". Can this be changed?

    Code:
    root@bill-UBU:/home# ls -ald bill
    drwxrwxrwx+ 110 bill 124 12288 Jul  3 21:25 bill
    root@bill-UBU:/home#
    Found the 'change group' command. It still does not work.

    Code:
    root@bill-UBU:/home# chgrp bill bill
    chgrp: changing group of 'bill': Operation not permitted
    root@bill-UBU:/home#
    Really confused, as I thought root could do anything. Any help here?

    Bill
    Last edited by WB0HYQ; September 10th, 2021 at 04:39 PM.
    Been in computers since 1962; Windows computers almost gone now. Only 1 gaming machine left.

  2. #2
    Join Date
    Jun 2007
    Location
    Arizona U.S.A.
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    5,062

    Re: Why is this failing?

    Code:
    drwxrwxrwx 2 bill bill 4096 Sep  2 21:10 Novels
    root@bill-UBU:/home/bill# rmdir Novels
    Novels is a directory
    rmdir will not work unless the directory is empty. Could be file(s) inside?

    If you want to remove the directory and its contents, use rm -r Novels
    Last edited by Dennis N; September 10th, 2021 at 05:03 PM.

  3. #3
    Join Date
    Oct 2011
    Location
    Ohio, USA
    Beans
    420
    Distro
    Ubuntu

    Re: Why is this failing?

    I should have shown the commands prior to trying to remove the directory. I'd emptied it completely. There are no files inside Novels. Wouldn't the error have been "Directory not Empty" if there files in it?

    Code:
    bill@bill-UBU:~$ rm -r Novels
    rm: cannot remove 'Novels': Operation not permitted
    bill@bill-UBU:~$ sudo su
    [sudo] password for bill: 
    root@bill-UBU:/home/bill# rm -r Novels
    rm: cannot remove 'Novels': Operation not permitted
    root@bill-UBU:/home/bill#
    Bill
    Been in computers since 1962; Windows computers almost gone now. Only 1 gaming machine left.

  4. #4
    Join Date
    May 2010
    Beans
    1,718

    Re: Why is this failing?

    Is the folder stored on an NTFS file system by any chance?

  5. #5
    Join Date
    Oct 2011
    Location
    Ohio, USA
    Beans
    420
    Distro
    Ubuntu

    Re: Why is this failing?

    Another oddity:

    the commands compgen -u and compgen -g show no group/user named "124" as shown in my second code block above. Maybe I have a ghost in the machine.

    Bill
    Been in computers since 1962; Windows computers almost gone now. Only 1 gaming machine left.

  6. #6
    Join Date
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    Ohio, USA
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    Re: Why is this failing?

    Quote Originally Posted by ActionParsnip View Post
    Is the folder stored on an NTFS file system by any chance?
    Not that I know of. The system is dual boot (Windows 7 and Ubumtu/XUbuntu) but everything on the Linux side was created when I installed OS.

    I booted into Windows 7 and attached the Linux drive, thinking I might be able to remove the directory from Windows. It failed as well, with virtually the same message: 'can't do this.'

    Bill
    Last edited by WB0HYQ; September 10th, 2021 at 05:21 PM.
    Been in computers since 1962; Windows computers almost gone now. Only 1 gaming machine left.

  7. #7
    Join Date
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    Xubuntu 20.04 Focal Fossa

    Re: Why is this failing?

    See that + after the permissions? From the manual:
    Code:
         Following the file mode bits is a single character that specifies
         whether an alternate access method such as an access control list
         applies to the file.  When the character following the file mode
         bits is a space, there is no alternate access method.  When it is a
         printing character, then there is such a method.
    
         GNU ‘ls’ uses a ‘.’ character to indicate a file with a security
         context, but no other alternate access method.
    
         A file with any other combination of alternate access methods is
         marked with a ‘+’ character.
    I guess there's your problem.

  8. #8
    Join Date
    Oct 2011
    Location
    Ohio, USA
    Beans
    420
    Distro
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    Re: Why is this failing?

    Here's the output of the df command:

    Code:
    root@bill-UBU:/home/bill# df -T
    Filesystem     Type      1K-blocks      Used  Available Use% Mounted on
    udev           devtmpfs    8134492         0    8134492   0% /dev
    tmpfs          tmpfs       1639368      1752    1637616   1% /run
    /dev/sdb1      ext4      240231392  41523268  186481952  19% /                          <<--- Linux
    tmpfs          tmpfs       8196824         0    8196824   0% /dev/shm
    tmpfs          tmpfs          5120         4       5116   1% /run/lock
    tmpfs          tmpfs       8196824         0    8196824   0% /sys/fs/cgroup
    /dev/loop2     squashfs      56832     56832          0 100% /snap/core18/2074
    /dev/loop0     squashfs     101760    101760          0 100% /snap/core/11606
    /dev/loop3     squashfs      56832     56832          0 100% /snap/core18/2128
    /dev/loop1     squashfs     101888    101888          0 100% /snap/core/11420
    /dev/loop4     squashfs     166784    166784          0 100% /snap/gnome-3-28-1804/145
    /dev/loop5     squashfs     168832    168832          0 100% /snap/gnome-3-28-1804/161
    /dev/loop6     squashfs      66688     66688          0 100% /snap/gtk-common-themes/1515
    /dev/loop8     squashfs      82432     82432          0 100% /snap/shotcut/451
    /dev/loop7     squashfs      86912     86912          0 100% /snap/shotcut/282
    tmpfs          tmpfs       1639364        24    1639340   1% /run/user/1000
    /dev/sdd1      fuseblk   976074748 317910448  658164300  33% /media/bill/My Book       <<--- external USB
    /dev/sdc       fuseblk  1953514580   3700672 1949813908   1% /media/bill/Big_U             <<--- internal SATA
    /dev/sda1      fuseblk   976758784 209249184  767509600  22% /media/bill/WIN764              <<--- Windows 7
    /dev/sde1      fuseblk   244196001 120239331  123956670  50% /media/bill/WD_PASSPORT   <<--- External USB
    root@bill-UBU:/home/bill#
    Bill
    Been in computers since 1962; Windows computers almost gone now. Only 1 gaming machine left.

  9. #9
    Join Date
    Oct 2011
    Location
    Ohio, USA
    Beans
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    Distro
    Ubuntu

    Re: Why is this failing?

    Quote Originally Posted by Impavidus View Post
    See that + after the permissions? From the manual:
    Code:
         Following the file mode bits is a single character that specifies
         whether an alternate access method such as an access control list applies to the file.  When the character following the file mode bits is a space, there is no alternate access method.  When it is a
         printing character, then there is such a method.  GNU ‘ls’ uses a ‘.’ character to indicate a file with a security context, but no other alternate access method.
    
         A file with any other combination of alternate access methods is marked with a ‘+’ character.
    I guess there's your problem.
    I don't know what "alternate access" means. What other methods of access are there?

    Bill
    Been in computers since 1962; Windows computers almost gone now. Only 1 gaming machine left.

  10. #10
    Join Date
    Oct 2011
    Location
    Ohio, USA
    Beans
    420
    Distro
    Ubuntu

    Re: Why is this failing?

    Even the setfacl command won't work:

    Code:
    root@bill-UBU:/home# ls -ald bill
    drwxrwxrwx+ 110 bill 124 12288 Jul  3 21:25 bill
    root@bill-UBU:/home# setfacl -b bill
    setfacl: bill: Operation not permitted
    root@bill-UBU:/home# setfacl -R -b bill
    setfacl: bill: Operation not permitted
    root@bill-UBU:/home#
    Bill
    Been in computers since 1962; Windows computers almost gone now. Only 1 gaming machine left.

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