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user9371654
Asked: 2019-05-05 07:31:51 +0800 CST

How to give a user x full access to a directory?

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In Ubuntu 18.04, how can I give a user x a full access (read/write/execute) to a directory and all its content?

filesystem permissions directory 18.04

2 Answers

  1. It would help if you give a little more information about what exactly you are trying to do, but...

    Ubuntu by default uses Owner-Group-All permissions. I am assuming that you want "User-X" to have access to a directory that it owned by "User-Y"

    First, Create a group for "User-X" and "User-Y", and add those users to the group - replace <userGroupName> with a name that makes sense to you

    sudo groupadd <userGroupName>
sudo usermod -a -G <userGroupName> User-X
sudo usermod -a -G <userGroupName> User-Y

    Secondly, change the group ownership of the directory in question

    sudo chown User-Y:<userGroupName> <directoryName>

    Where <directoryName> is the directory that you are working upon

    Finally, change permissions at the directory to allow the owning group, (<userGroupName>), appropriate permissions.

    sudo chmod g+rwx <directoryName>

    If the group is non-empty, you may wish to change the permissions of all files and folders in the directory:

    sudo chmod g+rwx -R <directoryName>
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  2. You can use the -R (recursive) option to the chown and chmod commands, for example you could do something like this:

    chown -R x directoryname
chmod -R u+rwx directoryname

    The chown -R command then sets the user x as the owner of that directory and everything inside. The chmod -R u+rwx command grants the owner read, write, and execute permission for that directory and everything inside.

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