Red Hat / Fedora :: Users In Multiple Groups And File Permissions?
Feb 12, 2009
this directory has permissions 750 and is owned by user1 and group user1 I have an admin user that is primarily a part of group admin, but also a part of group user1 what would stop admin from having read and execute permissions on this directory? I'm running clamav and have a clamd daemon running as user admin (I could run it as any user, and I may make a special user later, but I don't want to run it as user1, user2, etc).
I have 2 (technically lots more, but let's just say 2 for now) users, user1 and user2 that have home directories /home/user1 and /home/user2. each is owned and group owned by user1:user1 and user2:user2 respectively with permissions of 750. my admin user is part of groups admin, user1, and user2 I need this to be able to scan my user's directories using the command (is this correct?):
clamdscan --move=/files/quarantine/ --config-file=/etc/clamd.d/adm.conf /home/user1/file
doing this gives the error:
/home/user1/file: lstat() failed. ERROR
If I change the directory permissions to 755, it works fine.Or if I leave the permissions 750 and change the directory group ownership to admin, it works fine. So, why would this be? Obviously it is a permissions issue, but why is it not reading admin as part of the user1 group and allowing the same permissions as it does when making the directory group-owned by admin?
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Nov 2, 2010
I have a remote directory shared over NFS called tech with perms set as 0750 and owner set to root:tech. I have 2 groups: tech, and techAdmin. tech can read and execute within tech/. techAdmin can read, write, execute. I have 4 users: user1, user2, user3, user4. user1 and user2 is a member of techAdmin, user3 and user4 are members of tech. simple so far...but wait here's the problem. If user1 creates a file inside tech, user2 cant read or modify it because user1 owns it. Here's a few sites that reference this problem:
[code]....
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Sep 15, 2009
Having set up many windows servers with complex permissions on shared folders, I now have to do the same in Linux (and I'm such a noob to Linux) I understand that each file/folder is assigned a user + group, and that the rights can be set for the user, the group and global (aka everybody else) My challenge is this, inside my shared folder there is a folder that should be RW to some users, READ ONLY to others, and not accessible at all to the rest of the users. (lets call the folder MyFolder ) All 3 groups have more than 1 user, so they have to be groups (right?) How would this model work in Linux ? If there is no other way, I guess I can nest the MyFolder in a folder that has permissions to allow all users that may access MyFolder, and block the rest, then on MyFolder, set owner group the RW users, and set global to READ ONLY.
Ps : The server I'm setting up runs Debian Lenny, files will be accessed from windows workstations using samba.
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Nov 4, 2009
I'm using my Linux (SLES 10) server as a File Server at this point. I need to set File Permissions to nested folders differently to different groups. For example:
homesharedengineering* should be read only for groupA
homesharedengineeringadmin should be read & write for groupB Plus read only for groupA
homesharedengineeringautocad should be read & write for groupC Plus read only for groupA
I've been using Webmin and Putty to set permissions but Putty only allows me the Default Group, it won't allow me to set several groups on the same directory. Webmin seems to allow me to add multiple groups (Webmin --> Others --> File Manager --> Info & ACL tab will provide extended abilities) but when I add multiple groups, they don't seem to take effect? I'm wondering if my setup at the 'Share' level or at the hierarchy of my folder structure (unix based) needs to be set specifically?
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Jul 13, 2010
I am used to setting up users and groups on my daughters computers with Ubuntu installed.
user: magz (daughter)
user: nigel (me)
group: nima
We each have our own folder for files i.e. magz and nige. This has always worked well and it didn't matter which user is logged in we could create and access files in the other users folder with full permissions.
root@nbsq: /media/2xfi/files# ls -l
total 8
drwxrwxr-x 9 nigel nima 4096 Jul 13 09:45 magz
drwxrwxr-x 3 nigel nima 4096 Jul 13 09:45 nige
I have finally got around to getting her to try Debian which I always use, however I have never had to set up users, groups etc in Debian (squeeze) so I just did what I'm used to with Ubuntu. What I've found is that if I create a folder while I am logged in then that folder cannot be accessed by my daughter when she is logged in and the same applies if she creates a folder then I cannot access it when I am logged in, unless of course I use terminal to change the owners. In each case with the new folder the owner will be: root and the group will be: root. I would have thought what works for Ubuntu would work for Debian, however there must be differences.
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Feb 5, 2010
I am setting up a samba server to operate in a windows AD domain. I want to set permissions for multiple groups to have different levels of access to one group of files, and it looks to me like unix permissions will not do that? I always hear about how robust linux is, and it seems to me that their file permissions model is WEAK compared to microsoft's?
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Jun 6, 2011
I am having problems with groups and file permissions. I have a file owned by myself
Code:
-rw-rw-r-- 1 diblemar users 2.1K Jun 3 06:02 /cluster/shared/Injects/1404_1405_1000033606_79964.return.xml
I want to modify the file using a cgi script running on an apache server (on the same machine). Both diblemar and apache are in the same group.
Code:
apache:x:48:diblemar
However, I receive a file permissions error when I try to modify the file. I assumed that with the permission settings above apache would be able to modify a file owned by someone else in the apache group.
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Jun 26, 2010
I'm trying to learn about permissions on linux webserver with apache.Some clues to the system: The server I have to play around with is Fedora based. Apache runs as apache:apache. To allow for e.g. php to write to a file the file needs to be chmod 777. 755 is not sufficiant.What I'm wondering is basically how set up permissions like they should be on e.g. a "shared web host".My main problem is that if I set a permission so that one user cannot access anothers home folder, then apache can't read from the public_html folder either.
To keep the users out I need to set chmod 700. But to let apache to read I need to have at least execute on world,so a 701 basically works, but won't let some users in.So I'm really stuck on what to do. Have been concidering adding the apache user to the frous grours
below to avoid having to add the world execute flag, but is that a bad thing? Should it be the other way around, the users in the groups below should also be in the apache group?I was aiming at having 4 groups:
1. webapp: same as dev_int, but is the only one that can go inside the webapp/live folder to e.g. do an update from the repo.
2. dev_int: can read,write and execute everything in the "web root", including the two below, but nothing outside of the web root
3. dev_ext: can read write and execute in all client folders, but cannot access anything outside of the webapp root
4. clientsBasic ftp accounts. Has a home folder with a public_html, but cannot access any other home folders
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May 11, 2010
I have a folder at /home/www/, and the owner is www, which is part of the www-group. I have another user, john, part of the john group. How can I chown /home/www/ to make it writable by both www and john?
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May 9, 2011
There is a folder that is owned by user tomcat6: drwxr-xr-x 2 tomcat6 tomcat6 69632 2011-05-06 03:43 document. I want to allow another user (ruser) write permissions on document folder. The two users (tomcat6 and ruser) does not belong to same group. I have tried using setfacl: sudo setfacl -m u:ruser:rwx document
but this gives me setfacl: document: Operation not supported error.
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Nov 12, 2009
I'm setting up a Fedora 11 server for the company of one of my friends. So far so good. But now he has asked me to setup access restrictions to folders through samba. Now I'm quite familiar with user access policies, even though I'm quite new to the GNU/Linux world. What I want to know is : what is the best way to give and remove, on the go, rwx access for a specific user to a certain folder in a linux system? Can I create groups for each folders, whose members will have the given permissions? Or do I have to create users for each folder and add to their group the user witch i want to give privilege to?
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Jan 12, 2011
I installed F14, then dropped in my passwd, group, and shadow from F9 w/o backing up
what F14 had done. So now I get some messages about missing users like rtkit
and missing groups.
Is there an easy way to find out what default users and groups F14 would have installed?
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Aug 7, 2009
I created a user and I want the particular user in multiple groups. How Should I and after creating the user,If I want to delete that user from a particular group.
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Jul 30, 2010
The question is, as far as I know Ubuntu distro adds a user created with useradd to supplementary groups automatically. For instance, I want to enable sudo for all newly created users on my LiveCD and want them to be added to the group 'wheel' on creation. I'm sure it is possible to do it in Fedora, but how?
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Jan 19, 2011
have recently encountered an issue in fedora 14 whereby upon entering the root password the users and groups and authentication utilities do not run. (system/administration/users and groups) They used to run fine.
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May 15, 2011
I want to make a webserver with multiple users allowed to login through SFTP to a specific folder, www.Multiple users are added, lets say user1 and user2, and all of them belonging to the www-data group. The www directory has an owner www-data and a group www-data.
I have used chmod -R 775 on the www folder, but after I try to create a folder test through my SFTP server (using Filezilla) the group of the directory created has only r and x permissions, and I am not able to log in with the second user user2 and create a directory within www/test due to a lack of w permission to the group.
I also tried using chmod 2775 on www directory, but without luck. Can somebody explain to me, how can I make it so that a newly created directory inherits the root directory group permissions?
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Jul 8, 2010
I own a particular file on a Linux system. I would like to give 2 groups (accounting, shipping) read access and only read access, and 3 users(Mike, Raj and Wally) write access and only write access. How can I accomplish this?
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Oct 26, 2010
Idealy I want to create a batch file which would read the list and create a user and a password.
I know i need to create the file using the vi command and using the useradd facility to add the users however where i go from there i am lost.
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Aug 1, 2010
I have a FTP server (vsftpd), and would like to setup different file permissions for different groups:
-"ftpusers" group should only be able to browse and download.
-"ftpadmins" group should be able to browse, download, AND WRITE (RNFR, RNTO, MKDIR....).
Let's say my main directory is /var/ftp/docs/. It should be accessible by "ftpusers" group, but only writeable by "ftpadmins" group. Other groups or users may not access it. Which permissions and ownership should I give? My problem is that the dir can't be owned by two groups...
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Nov 26, 2010
We are a school and we share a samba folder with students and teacher groups. What we are trying to do is:
- Give students group users the permissions to rwx own files in folder
- Students must not be able to do anything with others files. I mean nothing so, at most, they could see the files in folder but not read it.
- Teachers can do anything with files in folder
As you can imagine, the idea is that students deliver their exams in that folder without the ability to read/copy the other students files. With sticky bit we can restrict students permissions to their own files, that is ok, but how to restrict all the permissions on other students files without restricting student access to that folder?
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Oct 9, 2010
I am looking for solution that would allow multiple users distributed over several offices in several countries to access one corporate file depository. The features I am looking for, are as follows:
- There should be the way to establish user groups and then define for each folder access level (read/write) for every user/group. Every users is given his login and password.
- This file depository should be accessed from both Linux and Windows clients
- There should be a way how to sync certain folders/files on one's PC so that it is possible to work off-line and then sync back to the common depository.
Then I plan to launch some regular backup routine on that folder where all the files of depository are kept. I can imagine that the solution could be involving several tools, ie access for Windows users might involve setting up samba server, but I don't know how to establish all the limited access stuff for Win clients via samba.
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Dec 20, 2010
I am logged in with the account i created with ubuntu back in 10.4 but i cant do anything with the users and groups management tool any idea's what might be wrong? It also doesnt ask to escalate provilages when i run it which i suspect is part of the issue.
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Nov 13, 2010
i have 5 groups, i want to set 3 of them to have full permissions to a folder and set 2 others with read only to same folder, please help me to solve this problem. in other words i want to set this 5 groups diffrent permissions to a folder.
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Sep 3, 2010
How can I set permissions for users within the share?
Example: I have a share called Programming and some user can create folders within it most others can not, can read the documents.
How do I set permissions?
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Dec 30, 2010
I'm running 10.10 64-bit and have configured it for root graphical login for administration of the system. When I log in as root, I can run all menu items in System -> Administration with the exception of Users and Groups. When I try running this, the application starts, but I only get an animated spinning disk that doesn't stop, can't modify the users properties and I can't close the application unless I go to System -> Administration -> System Monitor -> Processes tab , highlight users-admin and click End Process.
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Apr 30, 2010
If there are more tools that can be used to add users and groups, can someone direct me on how to find this information out, or can someone compile a list of tools?
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Dec 23, 2010
Is it possible to nest groups so that users can access directories owned by other groups?
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Jan 18, 2010
how to add users to groups with ldap? Further, could someone point me towards some good command-line management tools? Creating each dn manually is going to get old real fast...
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Mar 31, 2010
I have centos 5.4 installed (2.6.18-128.2.1.el5 #1 SMP Tue Jul 14 06:36:37 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux), and I am using WHM/Cpanel to manage my server. I am looking for a GUI utility, so I can graphically manage users/groups.
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May 25, 2010
i wonder, why nobody has written about it ...
How can i grant permission for files to specific user or specific group ??
Updated:
We have 3 groups: "g12" ("u1" and "u2), "g34" and "g56".
"g12" should only read the file.
"g34" should write and read it.
"g56" should have all permissions (rwx).
And others should not access the file at all.
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