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-1
votes
1answer
24 views

add groups from external file

I want to write a script which add groups to the system, specified in groups.txt file. content of groups.txt : group01 : computer group02 : electronics group03 : IT . ...
3
votes
1answer
39 views

groupadd failure while writing changes to /etc/group

I have been following this guide on installing debian-kit on my Sony Xperia Tablet Z and the installation goes fine until I try to apt-get install andromize which fails with the error groupadd: ...
3
votes
2answers
82 views

Short, simple command to create a group if it doesn't already exist?

What is the cleanest way to modify this command in bash to only run if the group does not exist? groupadd somegroupname A one-liner would be best.
2
votes
3answers
46 views

adding list of users to multiple groups

I have a shell script which add list of users which is listed in another file lets say users.txt. After that, I want my script to add users to multiple existing groups with condition, one user may ...
2
votes
3answers
938 views

Limited SSH user on Ubuntu 12

I'm running Minecraft on a server. How can I give my friend SSH access just to the minecraft folder (a root folder), the screen command, and some ports?
1
vote
1answer
19 views

Troubleshooting joining a group in Mint in VirtualBox [duplicate]

I am trying to join my user to the vboxsf group to access a VirtualBox shared folder from inside my Linux Mint virtual machine. However I'm encountering a problem that I can't troubleshoot. I've ...
6
votes
2answers
5k views

I added a user to a group, but group permissions on files still have no effect

I changed permissions of a file (chmod g+w testfile) and running ls -l testfile gives: -rwxrwxr-x 1 user1 user1 0 2011-01-24 20:36 testfile I then added a user to that group ("/etc/group" has ...
0
votes
1answer
23 views

Cannot lock group file: already locked

I'm trying to add a group using this command: groupadd somegroup which returns: Cannot lock group file: already locked. I did some research and most of the solutions require removing a lock file ...
2
votes
2answers
671 views

group option in fstab not working

I'm trying to take advantage of the "group" option for fstab entries and not having any success. From the mount man page: Normally, only the superuser can mount filesystems. However, when fstab ...
2
votes
1answer
350 views

Adding Windows user to Linux group; possible?

I have a NAS that runs on Linux and I connect to it from my Windows desktop. I noticed that all directory in that drive belongs to user 'root' and group 'root'. That effectively denies me the right to ...
4
votes
1answer
117 views

View List of Sudoers with No Sudo Priviledges

If I'm not a sudoer, is it possible to view the list sudoers? Does /etc/group show this information?
1
vote
1answer
67 views

AT&T UNIX System V Release 4 - How do I create a new “Administrator” user?

I am running AT&T UNIX System V Release 4 Version 2.1 inside VirtualBox, and want to create a new "user account" for myself. At first, I simply created a new user with the useradd command, but ...
1
vote
3answers
84 views

Delete non-unique group with group ID as primary group of a user

So say I have two groups with names testing1 and testing2. Both groups have the same group ID of 2000. Then I add a user named testing-user with GID of 2000. Along the way I want to delete group ...
55
votes
5answers
74k views

How do I remove a user from a group?

Which command should I use to remove a user from a group in Debian? When adding a user to a group, it can be done with: usermod -a -G group user However, I could not find a similar command ...
7
votes
4answers
170 views

Groupwise uniq command?

I am searching for a command to get from a file in this format: hello 32 hello 67 hi 2 ho 1212 ho 1390 ho 3000 To this format (deduplicate by taking the last row of a "group"): hello ...
2
votes
3answers
258 views

User permissions problem Linux

Every time I create a new file from "eclipse", I need to run these two lines of code to get the r/w permission: chmod -R 775 /var/www/folder/filename.extension And/Or sudo chown -R ...
10
votes
3answers
26k views

Change gid of a specific group

I'd like to change group id of a specific group. There are so may solution for changing the gid of a file or directories. But that's not what I want. Is there a way to do that?
73
votes
6answers
21k views

Where did the “wheel” group get its name?

The wheel group on *nix computers typically refers to the group with some sort of root-like access. I've heard that on some *nixes it's the group of users with the right to run su, but on Linux that ...
-2
votes
2answers
38 views

Clarification on permissions with GID & UID in UNIX

If Test1 & Test2 are users, then Test1 : UID : 501, GID :501, groups=501,100 Test2 : UID : 502, GID :502, groups=502,100 What will be the correct option from below and explain how? Test1 ...
0
votes
2answers
175 views

Privileges for jenkins at apache's folder

I'm having issue similar to this: How to copy files as Jenkins "post build" action if i don't have privileges to destination directory I'm willing to move/copy/rsync files from jenkins ...
1
vote
0answers
52 views

postfix expand ldap group AND afterwards resolve alias

We have a postfix server which has the user config stored in a openldap directory. Recently we also implemented ldap groups which are expanded by postfix. This works fine, unless the group expands to ...
3
votes
1answer
64 views

Two users with different permissions on same directory

Is it possible to give two users different permissions on the same directory? I want to use it for ftp: userFull gets R+W and userLim gets only Read, depending on who logs on. Im getting stuck on the ...
3
votes
2answers
96 views

/etc files on a different partition

My setup requires that some of my /etc files reside on a separate partition. For this purpose I've created a softlink: ls -li /etc/group 956 lrwxrwxrwx 1 root root 21 May 7 15:48 /etc/group -> ...
2
votes
2answers
38 views

Who should own files shared by a group and where should they go

I am configuring a Linux work station that will be used by a small number of users (20-30). These users will belong to a small set of groups (5-10) with each user belonging to at least one group and ...
2
votes
1answer
72 views

Can one directory be owned by two groups?

Can one directory be owned by two groups (RHEL 6.2)? I have created one directory: mkdir /opt/shared, then I created two groups: groupadd sales groupadd marketing I added manually to each of ...
1
vote
2answers
31 views

Store a file for all users within a group

If user A is member of group foo, is it then possible for A to share a file for all members within foo without root permissions? chown foo:foo file Is not permitted without privileges. A can say ...
4
votes
2answers
723 views

Getting new files to inherit group permissions on Linux

I am having a problem with permissions on a Linux server. I am used to BSD. When a directory is owned by a group the user who owns it isn't in such as www-data, files created in it will be owned by ...
4
votes
1answer
48 views

How do you give a developer group access to apache, MySQL, php and the webroot?

We have 3 web designers that are currently logging in to our server via root to configure apache and setup websites. I have very basic linux knowledge (I'm a web designer) and have created users and ...
5
votes
1answer
147 views

Apache, Group Permissions and User Uploads

I have a folder named "digitalgoods" with the following ownership -- apache:apache residing outside of the htdocs folder and is therefore not accessible to the public. However I need the same folder ...
1
vote
2answers
48 views

Command to know privileges of a user group

If I run cat /etc/group command or groups username I am able to know the list of groups as group of a particular user. Is there any command through which I could know which type of privileges a ...
7
votes
1answer
370 views

Why cannot a user change group ownership of his own files? [duplicate]

Why cannot a user change the group permissions of files which he owns. Let's suppose I have user martin: $ ls -lAd /home/martin/ drwx------ 8 martin martin 4096 Apr 20 01:06 /home/martin/ For some ...
1
vote
1answer
67 views

Re-add accidently deleted system group

In my attempt to delete the admin user group I accidentally deleted the adm system group. I "added it back" by issuing addgroup --system adm. I have a feeling this is going to bite me back later. Is ...
11
votes
2answers
286 views

Why is root in wheel and operator? Can root being in a group ever make a difference?

I just noticed on my FreeBSD machine that root is in wheel and operator. I'm trying to think of a situation where UID 0 being in a group would have any effect on... well... anything, and I'm coming up ...
0
votes
1answer
30 views

Trying to change GID on AIX server

I am trying to change GID on Unix server "AIX". I want to change mygroupname:!:79002: from group GID from 79002 to 79003. I have permission to use sudo /usr/bin/chgroup. I have tried everything, ...
3
votes
2answers
46 views

Why are newly created users assigned to primary groups of their usernames?

I've noticed that on a number of linux distributions that whenever a new user is created, it is assigned to a primary group of its own name. eg. If i create a user called "testuser", by default it is ...
0
votes
1answer
63 views

How can I allow a group to execute a command as another user?

I'm conservative about my sudoers policy. I'm trying to allow wheel users to run psql postgres postgres as the postgres user (because when ident that's the only way it works). root ALL=(ALL) ALL ...
5
votes
2answers
260 views

Group memberships and setuid/setgid processes

Processes which de-escalate privileges via setuid() and setgid() do not seem to inherit the group memberships of the uid/gid they set. I have a server process that must be executed as root in order ...
1
vote
1answer
36 views

Find which directories each group can access

I need to take the /etc/group file (RHEL) and check what high level subdirectories each group has access to. Here is a made up example: Group 100 - \xxx\xxx\xxx Group 150 - \xx\xxxxx\x Is that ...
4
votes
1answer
49 views

When a member of multiple groups, how do I set the default group for newly created files?

With umask, I can determine the permissions for newly created files. But if I am a member of multiple groups, how do I set the default group for newly created files? This question seems relevant, ...
0
votes
1answer
64 views

Confusion about group `cdrom` in linux system

When I type command groups ubuntu, the output would we like, ubuntu : ubuntu adm dialout cdrom floppy audio dip video plugdev netdev admin I am interested in the cdrom group. What does the group ...
4
votes
3answers
235 views

granting write permissions to a group to a folder

How can I grant write permission to 1 group ? I have 2 users (alex and ben). alex is member of group alex and of group consult. ben is member of group ben and of group consult. I want to grant read ...
2
votes
1answer
59 views

Should I assign gid explicitly when I create a group?

I thought gid is automatically assigned when I create a group. But I found a chef receipt file that assigns a number 403 to gid directly. ...
5
votes
1answer
95 views

How to run a process with a specific group?

I have to start an application with my own user rights, but the group must be different. So, instead of: $ ps -eo "user,group,args" | grep qbittorrent morfik morfik /usr/bin/qbittorrent it ...
3
votes
4answers
2k views

How to configure permissions to allow file access?

I'm running Wowza Media Server on my server as "root". The problem is that all files created (recorded) by Wowza are "root:root" and aren't writable, editable, or deletable by any other users. How can ...
1
vote
1answer
53 views

Putting two accounts in group not giving read access to group members

I have an Apache based web site and am trying to allow the user to upload files to a drop box on one machine and then have them transferred to another. So I form a group for two users: www-data which ...
0
votes
1answer
14 views

Trying to form group with two users

I am trying to form a group with two users so that only those two users have access to a directory using chmod g+r dir I form a new group, www-OtagoHarbour, and try to add an existing user, ...
1
vote
2answers
77 views

How to get the group that a user belongs to in SCO

I can see how to add a user, but is there a way to get information on a user, such as the group that it belongs to?
1
vote
1answer
260 views

delete user from group in fedora from command line

I have been using ubuntu extensively and use the following from the command line: deluser <username> <groupname> It doesn't seem to work in fedora. Is there an equivalent?
0
votes
1answer
53 views

Permissions not extended to user in minecraft group [duplicate]

I have a directory, under /srv: drwxrwxr-x 3 minecraft minecraft 4096 Dec 30 06:23 minecraft Owned by user minecraft, group minecraft. Group has read/write/search permissions. I have a user, ...
5
votes
2answers
71 views

Nested POSIX groups in Linux [duplicate]

If I want to add all of the members who belong to the supplemental group web_users to the apache group (as an additional supplemental group) can I just add web_users group to the apache group? Or do ...