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Thread: Cannot change folder permissions, "Read-only file system"

  1. #1
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    Cannot change folder permissions, "Read-only file system"

    OS Version: Maverick 10.10 x64.

    Screenshot (includes hard-drive information and such) -


    Whenever I try and change the permissions of a folder, it gives me this error. What can I do to fix this?

    I tried Googling, and discovered that chmod wasn't working because it 'writes' data in some shape or form.

    In addition, I thought I might be able to remount it, but I'm not sure how to do this safety, as I do not have physical access to the machine, and only have terminal access (I have a VNC server set-up, but it's a pain to use for me).

    What can I do?

    Thanks and best regards,
    Cameron.

  2. #2
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    Re: Cannot change folder permissions, "Read-only file system"

    Quote Originally Posted by c3ntury View Post
    .........
    What can I do?
    The file system needs a fsck done on it, if you can unmount it remotely then it should be easy to fix.
    Regards, David.
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  3. #3
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    Re: Cannot change folder permissions, "Read-only file system"

    unmount the partition
    make fsck
    mount it back

  4. #4
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    Re: Cannot change folder permissions, "Read-only file system"

    Quote Originally Posted by catalin.vasilescu View Post
    make fsck
    "make" is used to compile programs, it is totally out of context to tell people to use it in this situation and can only serve to mislead the OP.

    If you do not understand the problem please do not offer things that are not appropriate.
    Regards, David.
    Please use the Forum search and Wiki search for immediate help
    Please mark your thread as Solved when appropriate
    New to technical forums?: How To Ask Questions The Smart Way

  5. #5
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    Re: Cannot change folder permissions, "Read-only file system"

    "make" is used to compile programs,
    = run the command fsck

  6. #6
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    Re: Cannot change folder permissions, "Read-only file system"

    Quote Originally Posted by c3ntury View Post
    OS Version: Maverick 10.10 x64.

    Screenshot (includes hard-drive information and such) -


    Whenever I try and change the permissions of a folder, it gives me this error. What can I do to fix this?

    I tried Googling, and discovered that chmod wasn't working because it 'writes' data in some shape or form.

    In addition, I thought I might be able to remount it, but I'm not sure how to do this safety, as I do not have physical access to the machine, and only have terminal access (I have a VNC server set-up, but it's a pain to use for me).

    What can I do?

    Thanks and best regards,
    Cameron.
    how is the filesystem been mounted?
    Code:
    mount -l
    also the fact that you cannot read sudo it makes me sospicius about your users priviledges. what is the output for:
    Code:
    ls -l /var/lib/sudo/rtorrent
    also
    Code:
    groups $(whoami)
    ps: put the output in different code tags not all toghether in out. Follow my style/order please.
    Last edited by fdrake; January 7th, 2013 at 11:38 AM.

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  7. #7
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    Re: Cannot change folder permissions, "Read-only file system"

    Contact the admin who does have physical access to this particular machine, and tell him to upgrade as soon as possible to a supported Ubuntu version.

    Maverick 10.10 is long dead and buried, so it doesn't get security updates. This is very dangerous, also in Linux. You run unacceptable risks with data you put on that system....

  8. #8
    Join Date
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    Re: Cannot change folder permissions, "Read-only file system"

    Quote Originally Posted by Pjotr123 View Post
    Contact the admin who does have physical access to this particular machine, and tell him to upgrade as soon as possible to a supported Ubuntu version.

    Maverick 10.10 is long dead and buried, so it doesn't get security updates. This is very dangerous, also in Linux. You run unacceptable risks with data you put on that system....
    +1

    But first before you do that I'd like to understand what's the reason of the permission problem..

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  9. #9
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    Re: Cannot change folder permissions, "Read-only file system"

    Quote Originally Posted by fdrake View Post
    +1

    But first before you do that I'd like to understand what's the reason of the permission problem..
    hi fdrake
    i agree - just say new installation is a too easy answer ( similar threads in brand new releases).
    here my hint: if the root-filesystem is mounted read-only have a look on your /etc/fstab and you will find:
    UUID=2d7726aa-e04a-4265-b5b9-a5cce53b46e2 / ext3 errors=remount-ro 0 1
    then have a look in /var/log/syslog - kernlog - boot.log (i guess syslog).
    i think with only a update the problem isn't gone !
    cheers
    "What is the robbing of a bank compared to the FOUNDING of a bank?" Berthold Brecht

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