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Since I am not that experienced with Linux this might be an easy, if not too simple question for you. Recently I met an old friend of mine and I want to exchange some files with him. In fact I could send the files by E-Mail or share them by Dropbox or something like that but I want to make use of Linux and my RaspberryPi.
Here, the RaspberryPi can be accessed via SSH and I want my friend to be able to access one specific directory. The one where I place the files.
I don't want him to mess around in the system. Ideally he should be able to only see this one directory.
Is it enough if I create a user and put the files in his home directory?
Thanks in advance
See this introduction to permission management on Linux.
To answer your Question:
Is it enough if I create a user and put the files in his home directory?
Yes, but it's not a perfect solution because the home folder of an user contains some subfolders.
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I know that truecrypt isn't capable of creating a hidden OS but in another post someone describes the steps to do it manually and that he does it to all of his linux computers all of the time. Can anyone elaborate on his steps so that someone (like myself) who is not as experienced could accomplish this?
I would just ask this individual to provide more details but it appears as though their account is "anonymous" or something.
I developed something like you are describing.
Here https://github.com/antonio-petricca/buddy-linux you can find all the information and installation script.
Buddy linux allows you to install linux on (hidden) loop files (like for the link you provided), but providing GRUB loader by an external USB drive. So, removing, it will results in a Windows boot.
The other good stuff is that it is based on LVM, so you can extended file system "simply" by adding loop files as per your needs.
Regards.
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I'm running Raspbian Lite on a Raspberry Pi 2. I'm trying to have vsftpd set up with one user called admin to have root access for FTP, while all other users (such as filetransfer) get redirected to their home directory. Any help would be greatly appreciated :)
I gather you're using vsftpd's chroot_local_user setting to keep users within their home directories. If that's enabled, you can use the chroot_list_file setting to pass a file containing the users you don't want to be locked in their home directories.
You can find out more on the vsftpd manual page.
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I have a Ubuntu 12.04 machine that I can only access using SSH. On this machine I have two users and I want to limit the access to certain files to one of these users.
Basically I want that user to be able to access only its home directory and nothing more. I know that by removing the rx permissions to other home directories for others is one option but I wanted to know if there is another way, a configuration file where I can tell that my user can only have access to that folder.
Thanks.
chrooted jail is the answer.
Like: https://www.howtoforge.com/chrooted-ssh-sftp-tutorial-debian-lenny
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I have a computer with Linux installed that is being used by several users. Included is a secondary data partition that is being shared between the users. But permissions are not easily handled. Anything created by a specific user, get's that user as owner. I was wondering if it would be possible to use fuse to some how mimic the way Android handled it's /data/media location?
I don't know how Android handles /data/media permissions and my solution does not involve FUSE, but if you create a group and add all users in it and set setgid bit on the root of the secondary file system and change it's group to group with all users then owner of each file will still be user that created the file but group of the file will contain all user and therefore they can access it if you set permissions on that file right (something like 660).
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I like to ask how am I going to copy files from one of my Linux Server Account to other account? If anyone knows how, please help me.
Take a look at the man pages for scp. This is a very useful command that I use rather often at my job.
It works easiest if you are logged into the server that has the file you want to transfer (IMO). The syntax is scp src_file username#remote_host:dst_file, where the text that comes after the : in the second part is the destination path on the other server.
For example, if you have a file called "file.txt" on server1, and you want to put it on server2, you would type:
scp file.txt username#server2.name.or.ip:/home/other_username
or where ever you want to put the file. I would recommend copying the file first to your home directory on the other server as that minimizes issues with permissions, in my experience.
EDIT: If you want to log into the server that is going to receive the file, you can just swap the first and second arguments to copy from the remote server to the local one.