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I'm having some doubts about how to install and allow linuxLinux to correctly read/write to a NTFS formatedformatted harddrive used as backup of various machines (windows included, that's how I need NTFS).

For now, I've read some pages and I have the feeling I need someone else's guidance, from who already did this step-by-step, to not ruin things here.

What I need is to be able to save a linuxLinux file, with its chown and chmod settings, to a NTFS filesystem, and be able to retrieve this information back.

  • Is it stable in the current version?
  • Do UBUNTUDoes Ubuntu 10.04 have all things needed already? Or do I need to install anything?
  • What is the relation of POSIX ACL to this? Do I need install anything regarding this or just ntfs-3g will do?
  • Where are UBUNTUUbuntu packages to run with apt-get?
  • If I map the users (with usermap) can bring the HardDrive to another computer with different users, will I be able to read them? (Under linux/windows)?

    For one thing I noticed, usermap was not ready to use. So I download and compiled (but not installed because I was afraid to mess things here), the last version of ntfs-3g. In the README file it says:

    TESTING WITHOUT INSTALLING

    Newer versions of ntfs-3g can be tested without installing anything and without disturbing an existing installation. Just configure and make as shown previously. This will create the scripts ntfs-3g and lowntfs-3g in the src directory, which you may activate for testing :

        ./configure
        make
    

    then, as root : src/ntfs-3g [-o mount-options] /dev/sda1 /mnt/windows

    And, to end the test, unmount the usual way : umount /dev/sda1

    But it tells nothing about the mount-options that I need to use to have full backups (full == backuping/restoring files, owners, groups and permissions).

    If I map the users (with usermap) can bring the harddrive to another computer with different users, will I be able to read them? (Under Linux/Windows)?

For one thing I noticed, usermap was not ready to use. So I downloaded and compiled (but not installed because I was afraid to mess up things here), the latest version of ntfs-3g. In the README file it says:

> TESTING WITHOUT INSTALLING
> 
> Newer versions of ntfs-3g can be
> tested without installing anything and
> without disturbing an existing
> installation. Just configure and make
> as shown previously. This will create
> the scripts ntfs-3g and lowntfs-3g in
> the src directory, which you may
> activate for testing :
> 
>         ./configure
>         make
> 
>   then, as root :
>         src/ntfs-3g [-o mount-options] /dev/sda1 /mnt/windows
> 
>   And, to end the test, unmount the
> usual way :
>         umount /dev/sda1

But it tells nothing about the mount-options that I need to use to have full backups (full == backing up / restoring files, owners, groups and permissions).

This faq says:

Now this default was mapped because I wrote "default" to one file that was under the default user during the inquiring. I'm not sure if I did that right. I don't care for any users but carl (and root for that matter), and for any other groups but users. I saw the FAQ telling me to answer the group with the username. Isn't it the case to tell the group as "users"? And how can I check, booting windowsWindows, if this mapping is correct?

  1. I need rsync to save linuxLinux files and windowsWindows files from various computers, to a NTFS external USB HD, without losing file permissions.
  2. I don't know how to install and run the driver ntfs-3g to allow chown, chmod and anything else that is needed to make that possible. What options, and where?
  3. All computers have carl username, but that doesn't guarantee that their SID, UID or GID are the same.
  4. The environment is composed of 18 "documents" folders, 6 of them linuxLinux, 6 of them win7Win7, 6 of them virtualbox winWin XP. All of them will be a single "documents" folder into the NTFS external hard drive.
  • I also read this forum, and maybe it is useful to someone trying to help me here.
  • Also thought of these other three solutions, making the filesystem ext. But the external HD may be used in windows boxesWindows boxes; I could not install or have write to install drivers. So, so it needs to be readable easily by any windowsWindows and NTFS is the standard.

All my googleGoogle searches was too much technical to follow.

I'm having some doubts about how to install and allow linux to correctly read/write to a NTFS formated harddrive used as backup of various machines (windows included, that's how I need NTFS).

For now I've read some pages and I have the feeling I need someone else's guidance, from who already did this step-by-step, to not ruin things here.

What I need is to be able to save a linux file, with its chown and chmod settings, to a NTFS filesystem, and be able to retrieve this information back.

  • Is it stable in the current version?
  • Do UBUNTU 10.04 have all things needed already? Or do I need to install anything?
  • What is the relation of POSIX ACL to this? Do I need install anything regarding this or just ntfs-3g will do?
  • Where are UBUNTU packages to run with apt-get?
  • If I map the users (with usermap) can bring the HardDrive to another computer with different users, will I be able to read them? (Under linux/windows)?

    For one thing I noticed, usermap was not ready to use. So I download and compiled (but not installed because I was afraid to mess things here), the last version of ntfs-3g. In the README file it says:

    TESTING WITHOUT INSTALLING

    Newer versions of ntfs-3g can be tested without installing anything and without disturbing an existing installation. Just configure and make as shown previously. This will create the scripts ntfs-3g and lowntfs-3g in the src directory, which you may activate for testing :

        ./configure
        make
    

    then, as root : src/ntfs-3g [-o mount-options] /dev/sda1 /mnt/windows

    And, to end the test, unmount the usual way : umount /dev/sda1

    But it tells nothing about the mount-options that I need to use to have full backups (full == backuping/restoring files, owners, groups and permissions).

This faq says:

Now this default was mapped because I wrote "default" to one file that was under the default user during the inquiring. I'm not sure if I did that right. I don't care for any users but carl (and root for that matter), and for any other groups but users. I saw the FAQ telling me to answer the group with the username. Isn't it the case to tell the group as "users"? And how can I check, booting windows, if this mapping is correct?

  1. I need rsync to save linux files and windows files from various computers, to a NTFS external USB HD, without losing file permissions.
  2. I don't know how to install and run the driver ntfs-3g to allow chown, chmod and anything else that is needed to make that possible. What options, and where?
  3. All computers have carl username, but that doesn't guarantee that their SID, UID or GID are the same.
  4. The environment is composed of 18 "documents" folders, 6 of them linux, 6 of them win7, 6 of them virtualbox win XP. All of them will be a single "documents" folder into the NTFS external hard drive.
  • I also read this forum, and maybe it is useful to someone trying to help me here.
  • Also thought of these other three solutions, making the filesystem ext. But the external HD may be used in windows boxes I could not install or have write to install drivers. So it needs to be readable easily by any windows and NTFS is the standard.

All my google searches was too much technical to follow.

I'm having some doubts about how to install and allow Linux to correctly read/write to a NTFS formatted harddrive used as backup of various machines (windows included, that's how I need NTFS).

For now, I've read some pages and I have the feeling I need someone else's guidance from who already did this step-by-step, to not ruin things here.

What I need is to be able to save a Linux file, with its chown and chmod settings, to a NTFS filesystem, and be able to retrieve this information back.

  • Is it stable in the current version?
  • Does Ubuntu 10.04 have all things needed already? Or do I need to install anything?
  • What is the relation of POSIX ACL to this? Do I need install anything regarding this or just ntfs-3g will do?
  • Where are Ubuntu packages to run with apt-get?
  • If I map the users (with usermap) can bring the harddrive to another computer with different users, will I be able to read them? (Under Linux/Windows)?

For one thing I noticed, usermap was not ready to use. So I downloaded and compiled (but not installed because I was afraid to mess up things here), the latest version of ntfs-3g. In the README file it says:

> TESTING WITHOUT INSTALLING
> 
> Newer versions of ntfs-3g can be
> tested without installing anything and
> without disturbing an existing
> installation. Just configure and make
> as shown previously. This will create
> the scripts ntfs-3g and lowntfs-3g in
> the src directory, which you may
> activate for testing :
> 
>         ./configure
>         make
> 
>   then, as root :
>         src/ntfs-3g [-o mount-options] /dev/sda1 /mnt/windows
> 
>   And, to end the test, unmount the
> usual way :
>         umount /dev/sda1

But it tells nothing about the mount-options that I need to use to have full backups (full == backing up / restoring files, owners, groups and permissions).

This faq says:

Now this default was mapped because I wrote "default" to one file that was under the default user during the inquiring. I'm not sure if I did that right. I don't care for any users but carl (and root for that matter), and for any other groups but users. I saw the FAQ telling me to answer the group with the username. Isn't it the case to tell the group as "users"? And how can I check, booting Windows, if this mapping is correct?

  1. I need rsync to save Linux files and Windows files from various computers, to a NTFS external USB HD, without losing file permissions.
  2. I don't know how to install and run the driver ntfs-3g to allow chown, chmod and anything else that is needed to make that possible. What options, and where?
  3. All computers have carl username, but that doesn't guarantee that their SID, UID or GID are the same.
  4. The environment is composed of 18 "documents" folders, 6 of them Linux, 6 of them Win7, 6 of them virtualbox Win XP. All of them will be a single "documents" folder into the NTFS external hard drive.
  • I also read this forum, and maybe it is useful to someone trying to help me here.
  • Also thought of these other three solutions, making the filesystem ext. But the external HD may be used in Windows boxes; I could not install or have write to install drivers, so it needs to be readable easily by any Windows and NTFS is the standard.

All my Google searches was too much technical to follow.

4 Edited the title to be more specific about the problem of OP.
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Is NTFS under linux able to save a linux file, with its chown and chmod settings?

    Tweeted twitter.com/#!/StackUnix/status/60993465307238401
3 Fixed some formatting and English issues.
source | link

What I need is to be able to save a linux file, with its chownchown and chmodchmod settings, to a NTFS filesystem, and be able to retrieve this information back.

What I have today is a NTFS that saves all files with the owner:groupowner:group of who mounted the volume, and permissions rwxrwxrwxrwxrwxrwx for all.

I've come toI read this article but it is too much information and I could not understand some trick things when trying to actually implement:

  • Is it stable in the current version?
  • Do UBUNTU 10.04 have all things needed already? Or do I need to install anything?
  • What is the relation of POSIX ACL to this? Do I need install anything regarding this or just ntfs-3gntfs-3g will do?
  • Where are UBUNTU packages to run with apt-getapt-get?
  • If I map the users (with usermapusermap) can bring the HardDrive to another computer with different users, will I be able to read them? (Under linux/windows)?

    For one thing I noticed, usermap was not ready to use. So I download and compiled (but not installed because I was afraid to mess things here), the last version of ntfs-3g. In the READMEREADME file it says:

    TESTING WITHOUT INSTALLING

    Newer versions of ntfs-3g can be tested without installing anything and without disturbing an existing installation. Just configure and make as shown previously. This will create the scripts ntfs-3g and lowntfs-3g in the src directory, which you may activate for testing :

        ./configure
        make
    

    then, as root : src/ntfs-3g [-o mount-options] /dev/sda1 /mnt/windows

    And, to end the test, unmount the usual way : umount /dev/sda1

    But it tells nothing about the mount-options that I need to use to have full backups (full == backuping/restoring files, owners, groups and permissions).

Why have chmod and chown no effect?

By default files on NTFS are owned by root with full access to everyone. 
To get standard per-file protection you should mount with the "permissions"
option. Moreover, if you want the permissions to be interoperable with a
specific Windows configuration, you have to map the users.

Why have chmod and chown no effect?

By default files on NTFS are owned by root with full access to everyone. To get standard per-file protection you should mount with the "permissions" option. Moreover, if you want the permissions to be interoperable with a specific Windows configuration, you have to map the users.

Now this default was mapped because I wrote "default" to one file that was under the default user during the inquiring. I'm not sure if I did that right. I don't care for any users but carl (and root for that mattersmatter), and for any other groups but users. I saw the FAQ telling me to answer the group with the username. Isn't it the case to tell the group as "users"? And how can I check, booting windows, if this mapping is correct?

Thanks,

Beco.

Briefing the questionSummary:

  1. I need rsyncrsync to save linux files and windows files from various computers, to a NTFS external USB HD, without losing file permissions.
  2. I don't know how to install and run the driver ntfs-3g to allow chown, chmod and anything else that is needed to make that possible. What options, and where?
  3. All computers have carl username, but that doesn't guarantee that their SID, UID or GID are the same.
  4. The environment is composed of 18 "documents" folders, 6 of them linux, 6 of them win7, 6 of them virtualbox win XP. All of them will be a single "documents" folder into the NTFS external hard drive.
  • I also read this forumthis forum, and maybe it is useful to someone trying to help me here. www.tuxera.com/forum/viewtopic.php?f=2&t=1284
  • Also thought of these other three solutionsthese other three solutions, making the filesystem ext. But the external HD may be used in windows boxes I could not install or have write to install drivers. So it needs to be readable easily by any windows and NTFS is the standard. www.howtoforge.com/access-linux-partitions-from-windows

Please, make this answer a nice howto that will be indexed and googled all around the world, bringing here people with the same doubt. Because allAll my google searches was too much technical to follow. Thanks very much.

What I need is to be able to save a linux file, with its chown and chmod settings, to a NTFS filesystem, and be able to retrieve this information back.

What I have today is a NTFS that saves all files with the owner:group of who mounted the volume, and permissions rwxrwxrwx for all.

I've come to read this article but it is too much information and I could not understand some trick things when trying to actually implement:

  • Is it stable in the current version?
  • Do UBUNTU 10.04 have all things needed already? Or do I need to install anything?
  • What is the relation of POSIX ACL to this? Do I need install anything regarding this or just ntfs-3g will do?
  • Where are UBUNTU packages to run with apt-get?
  • If I map the users (with usermap) can bring the HardDrive to another computer with different users, will I be able to read them? (Under linux/windows)?

    For one thing I noticed, usermap was not ready to use. So I download and compiled (but not installed because I was afraid to mess things here), the last version of ntfs-3g. In the README file it says:

    TESTING WITHOUT INSTALLING

    Newer versions of ntfs-3g can be tested without installing anything and without disturbing an existing installation. Just configure and make as shown previously. This will create the scripts ntfs-3g and lowntfs-3g in the src directory, which you may activate for testing :

        ./configure
        make
    

    then, as root : src/ntfs-3g [-o mount-options] /dev/sda1 /mnt/windows

    And, to end the test, unmount the usual way : umount /dev/sda1

    But it tells nothing about the mount-options that I need to use to have full backups (full == backuping/restoring files, owners, groups and permissions).

Why have chmod and chown no effect?

By default files on NTFS are owned by root with full access to everyone. 
To get standard per-file protection you should mount with the "permissions"
option. Moreover, if you want the permissions to be interoperable with a
specific Windows configuration, you have to map the users.

Now this default was mapped because I wrote "default" to one file that was under the default user during the inquiring. I'm not sure if I did that right. I don't care for any users but carl (and root for that matters), and for any other groups but users. I saw the FAQ telling me to answer the group with the username. Isn't it the case to tell the group as "users"? And how can I check, booting windows, if this mapping is correct?

Thanks,

Beco.

Briefing the question:

  1. I need rsync to save linux files and windows files from various computers, to a NTFS external USB HD, without losing file permissions.
  2. I don't know how to install and run the driver ntfs-3g to allow chown, chmod and anything else that is needed to make that possible. What options, and where?
  3. All computers have carl username, but that doesn't guarantee that their SID, UID or GID are the same.
  4. The environment is composed of 18 "documents" folders, 6 of them linux, 6 of them win7, 6 of them virtualbox win XP. All of them will be a single "documents" folder into the NTFS external hard drive.
  • I also read this forum, and maybe it is useful to someone trying to help me here. www.tuxera.com/forum/viewtopic.php?f=2&t=1284
  • Also thought of these other three solutions, making the filesystem ext. But the external HD may be used in windows boxes I could not install or have write to install drivers. So it needs to be readable easily by any windows and NTFS is the standard. www.howtoforge.com/access-linux-partitions-from-windows

Please, make this answer a nice howto that will be indexed and googled all around the world, bringing here people with the same doubt. Because all my google searches was too much technical to follow. Thanks very much.

What I need is to be able to save a linux file, with its chown and chmod settings, to a NTFS filesystem, and be able to retrieve this information back.

What I have today is a NTFS that saves all files with the owner:group of who mounted the volume, and permissions rwxrwxrwx for all.

I read this article but it is too much information and I could not understand some things when trying to actually implement:

  • Is it stable in the current version?
  • Do UBUNTU 10.04 have all things needed already? Or do I need to install anything?
  • What is the relation of POSIX ACL to this? Do I need install anything regarding this or just ntfs-3g will do?
  • Where are UBUNTU packages to run with apt-get?
  • If I map the users (with usermap) can bring the HardDrive to another computer with different users, will I be able to read them? (Under linux/windows)?

    For one thing I noticed, usermap was not ready to use. So I download and compiled (but not installed because I was afraid to mess things here), the last version of ntfs-3g. In the README file it says:

    TESTING WITHOUT INSTALLING

    Newer versions of ntfs-3g can be tested without installing anything and without disturbing an existing installation. Just configure and make as shown previously. This will create the scripts ntfs-3g and lowntfs-3g in the src directory, which you may activate for testing :

        ./configure
        make
    

    then, as root : src/ntfs-3g [-o mount-options] /dev/sda1 /mnt/windows

    And, to end the test, unmount the usual way : umount /dev/sda1

    But it tells nothing about the mount-options that I need to use to have full backups (full == backuping/restoring files, owners, groups and permissions).

Why have chmod and chown no effect?

By default files on NTFS are owned by root with full access to everyone. To get standard per-file protection you should mount with the "permissions" option. Moreover, if you want the permissions to be interoperable with a specific Windows configuration, you have to map the users.

Now this default was mapped because I wrote "default" to one file that was under the default user during the inquiring. I'm not sure if I did that right. I don't care for any users but carl (and root for that matter), and for any other groups but users. I saw the FAQ telling me to answer the group with the username. Isn't it the case to tell the group as "users"? And how can I check, booting windows, if this mapping is correct?

Summary:

  1. I need rsync to save linux files and windows files from various computers, to a NTFS external USB HD, without losing file permissions.
  2. I don't know how to install and run the driver ntfs-3g to allow chown, chmod and anything else that is needed to make that possible. What options, and where?
  3. All computers have carl username, but that doesn't guarantee that their SID, UID or GID are the same.
  4. The environment is composed of 18 "documents" folders, 6 of them linux, 6 of them win7, 6 of them virtualbox win XP. All of them will be a single "documents" folder into the NTFS external hard drive.
  • I also read this forum, and maybe it is useful to someone trying to help me here.
  • Also thought of these other three solutions, making the filesystem ext. But the external HD may be used in windows boxes I could not install or have write to install drivers. So it needs to be readable easily by any windows and NTFS is the standard.

All my google searches was too much technical to follow.

2 group is users not user.
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1
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