Permissions are the unix way of controlling access to resources such as files, directories and devices and may be specified for an owner, group, or all users.
3
votes
2answers
95 views
Can I run a command with specific privileges on certain directories?
I would like to be able to run a command, passing in parameters to bash or similar, such that this command is not allowed to write to a particular path, overriding the user's other privs.
Eg:
...
4
votes
1answer
238 views
ACL mask does not work as expected
If I copy a file with a base ACL of:
u::rw-,g::r--,o::r--
into a directory with a default ACL of:
u::rwx,g::r-x,g:users:rwx,m::rwx,o::r-x
I obtain a file with mask of m::r--. I would have ...
1
vote
2answers
712 views
permission denied when executing a binary
I used these instructions to install mongodb on my OS X machine. I did not make the files owned by root though, I used my local user (markdsievers), and installed to /usr/local/mongodb and ...
1
vote
2answers
164 views
Weird executabe behaviour
I have a server machine with ubuntu 9.10. I am trying to put in place an executable, which turns out to be the latest flashplayer (debugger version).
Somehow the file appears as present and ...
5
votes
2answers
430 views
How to prevent user from changing files using linux permission
Is it possible, using linux permission scheme, to allow users create files but not edit or delete them at a later time? I mean, we have a delivery folder where users put artifacts there and we do not ...
2
votes
1answer
447 views
pure-ftpd permission denied on external usb drive
I have a sheevaplug PC (Debian installed) that I'm trying to setup my personal FTP server with. So far I was able to set up auto mounting and installed pure-ftpd. I currently have autofs setup to ...
10
votes
2answers
3k views
What is the difference between 'su -' and 'su root'? [duplicate]
Possible Duplicate:
Why do we use su - and not just su?
I understand that root doesn't have to be a superuser. But in the case that it is ... what is the difference between sudo su - and ...
2
votes
1answer
8k views
How to move a file to /usr/local in Ubuntu?
I am working in the most recent Ubuntu in a 64 bit machine. I am currently on the
Gnome command prompt and I am trying to move a file under the Downloads directory to /usr/local. However, it gives me ...
2
votes
2answers
2k views
how to chown mounted device?
When I plug in my external hard-drive when running KDE, it prompts me to mount the device (by clicking an icon, no sudo involved), and once I've done that I am the owner of the files. This is great.
...
1
vote
2answers
630 views
newgrp and groups assigned via pam_group.so
For convenience reasons I tend to assign special group memberships like floppy, audio, plugdev, video etc. via /etc/security/group.conf (pam_group.so) mechanism instead of adding all users to this ...
4
votes
2answers
11k views
How to add a ssh user who only has permissions to access specific folder?
How to add an ssh user who only has permissions to access specific folder?
useradd -d /var/www/xyz.com.tr/musteri -s /bin/bash -g sshd musteri
I created a user called musteri. I set its home ...
2
votes
1answer
231 views
How can I limit wine's permissions?
I don't want wine to:
have access to the network (extra: separately defined access control per program that uses wine to start)
have access to the main users files (run wine as different user??)
...
1
vote
2answers
102 views
Terminal command (called not from SU) that would restrict process from writting to all directories but one?
We have an app testApp. We have a folder called notRestricted in the directory where we run app from. We want to limit access of the app to file system so that app could write only to that folder (we ...
1
vote
1answer
767 views
reading cifs share fails with permission denied - cifs samba directory permission denied
I'm trying to setup a samba server to share data among clients via cifs. As a test, I mounted the samba share on the same machine and tried to access the contents of the directory. The mount command ...
2
votes
2answers
332 views
I can create a file but I can't read from it
I've been using linux for a while, but I always had root access, so permission problems were no big deal. But now I don't have root access and it's driving me mad.
I have a ssh access to a web ...
4
votes
2answers
123 views
How can I give a very stripped down login for viewing logs?
I have various log files in folders on an RHEL 5 system:
/var/log/syslog-ng/A/
/var/log/syslog-ng/B/
/var/log/syslog-ng/C/
I would like to be able to give certain users the rights to view/tail (but ...
6
votes
2answers
2k views
User can't touch -t
When SCP'ing to my Fedora server, a user keeps getting errors about not being able to modify file timestamps ("set time: operation not permitted"). The user is not the owner of the file, but we cannot ...
1
vote
1answer
2k views
“Error: permission denied” error from Transmission Client
i have done the following on my Asus WL-520gu
Installed the dd-wrtv24-sp2 mini svn:13064
Updated for usb support
Installed optware package
Activated the transmission client
but i keep getting a ...
1
vote
1answer
365 views
Different access rights for different groups for a folder on Linux
I have a folder on a Linux machine that I would like to be read only for members of one group, read write for members of another group, and read write for the owner. Others would not be able to access ...
1
vote
0answers
315 views
W2K3 DC: Samba file sharing access permission problem
I want to access SAMBA shares from a Windows Server 2003 domain controller without a password. But, I am receiving a permission error each time. I'm using RedHat 5.5.
# ls -l
total 96
-rw------- 1 ...
0
votes
1answer
547 views
Changing owner of NAS drive
I have setup a Freenas system that I would like to mount on my Ubuntu Desktop. Freenas is configured with cifs service.
When I open the freenas server in nautilus smb://freenas/homenas/ I can create ...
7
votes
5answers
1k views
Directory with +x permission, parents without it. When would this be useful?
Say I have a folder called folder in the following path:
my_path = /a/b/c/d/e/folder
and a file called file in that folder.
Then, say I run this command to remove group permissions under /a/
> ...
12
votes
2answers
4k views
Do the parent directory's permissions matter when accessing a subdirectory?
If I have a root folder with some restrictive permission, let's say 600, and if the child folders/files have 777 permission will everybody be able to read/write/execute the child file even though the ...
3
votes
2answers
368 views
How does the Unix file privilege system differ from that of Windows?
Related question: How does the Linux file system/organization differ from Windows?
I am somewhat familiar with how privileges work when it comes to files and directories - each entry has an owner and ...
10
votes
4answers
2k views
Wrongly set chmod / 777. Problems?
I was trying to run chmod -R 777 ./ but ended up typing chmod -R 777 / and set 777 on my entire machine. What can go wrong? How can I fix it?
2
votes
3answers
315 views
process that only root can run
I have created a process and it is running in the background as a daemon it.Now I want that only root should be able to view the output of that process.My process is something like "top" which ...
3
votes
3answers
1k views
How can I setup group permission for different user on multiple Linux installations?
I have two Linux installations on my computer, with /home on a different partition but shared for the two installs. And each install has a different username to avoid conflicts. The thing is, I'm a ...
9
votes
3answers
7k views
Make all new files in a directory accessible to a group
Suppose I have two users A and B and a group G and a folder foo, both users are members of G (using linux and ext3).
If I save as user A a file under foo, the permissions are: -rw-r--r-- A A. ...
4
votes
1answer
1k views
Symbolic link permissions
I have access to a remote Linux machine where everytime I create a symbolic link, it is created by default with the following permissions: lrwxrwxrwx
If I try to change the permissions of the ...
1
vote
1answer
1k views
How do I change permissions on an external hard drive in Arch Linux?
Permissions to my portable hard drive on Arch is read-only and it seems I can't change it- when I change it from the GUI it takes no effect. So, how can I change it through the terminal?
Is there ...
4
votes
2answers
173 views
Directory special permission problem
When I write:
chmod g=rws,u=rwx,o=rx folder_name
I get:
drwxrwSr-x
But S is not the same as s, right?
1
vote
1answer
413 views
Temporary Permissions when installing DokuWiki?
I'm trying to upgrade to the latest version of DokuWiki, and I'm finding that the easiest way to do this is to install the upgrade plugin and just click a few buttons. But there are permissions ...
2
votes
1answer
5k views
“rsync: failed to set permissions on …” error with rsync -a or -p option
When I use the -a option as is asked and answered in Preserve the permissions with rsync, I got a lot of "rsync: failed to set permissions on" errors.
rsync: failed to set permissions on ...
1
vote
1answer
2k views
Preserve the permissions with rsync
Let's say I have a file a.txt in LINUX with permission of 0664.
When I use rsync to copy the file to my Mac with rsync -r -t -v LINUX MAC, the file's permission becomes 0644.
How can I keep the ...
2
votes
2answers
237 views
using chown in linux
I want to assign www-data user full rights in folder /var/www/ and all of the files inside this folder.
I have tried chown www-data /var/www/
1
vote
1answer
267 views
How to block the execution of files owned by root through lighttpd?
I've created a group and a user to run lighttpd.
I would like to run from the web server only files that have these permissions (myuser:mygroup). I don't want to run files with root permissions.
Is ...
5
votes
1answer
2k views
NTFS under linux
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 ...
1
vote
1answer
282 views
No exec permissions on programs in /usr/local/bin
I have installed the newest Erlang from source. As the final step I have executed
sudo make install
Among other things, it placed erl link in /usr/local/bin, but its permissions are insufficient ...
4
votes
2answers
736 views
Screen session running as root? (it shouldn't be) node.js
cd /serv
screen -R node
{in the screen}
node test.js
C^a d
initially,
ls -l /dev/pts
total 0
crw--w---- 1 tick-tock tty 136, 0 2011-04-19 16:41 0
crw--w---- 1 tick-tock tty 136, ...
2
votes
1answer
120 views
How to make Nautilus notice changes regarding group permissions
If I follow a process I mentioned here, I am supposed to log out and then in for the changes to take place. What about Nautilus? I tried to restart it and was still unsuccessful. The only way I have ...
2
votes
3answers
1k 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 ...
5
votes
2answers
4k views
Make all files under a directory read-only without changing permissions?
First, some background:
/dev/md1 is a RAID-0 array serving as primary file store. It is mounted to /var/smb.
/dev/md2 is another RAID-0 array storing backup snapshots taken from /dev/md1. It is ...
2
votes
2answers
638 views
Groups ssh user is apart of don't apply on SSHFS
I am connecting to a remote server over SSH but am running into a permissions issue.
My remote account is thelq and primarily part of the group thelq. I'm also part of the generic group users. ...
3
votes
1answer
290 views
Changing group and retaining environment variables
On campus, everyone's primary group is user and each person is additionally associated to groups depending on the courses he or she is taking, lab he or she works at, etc.
My coworker and I are ...
3
votes
3answers
1k views
How to copy a file from my home folder to /usr
I'm trying to copy a file from my homedir to /usr. How do I setup the permissions to allow this?
$ chmod 777 KeePass-2.14.zip
$ cp KeePass-2.14.zip /usr/keepass/
cp: cannot create regular file ...
3
votes
2answers
287 views
File permissions when transferring to another server
If I was to chmod 777 blah.sh on server A and then move it to server B, would it retain the permissions, or would it default to some other permissions once it hit server B?
4
votes
2answers
2k views
How do I give all the permissions to a file for a single user that's not me?
When I want to grant access to another user to my file, I use chmod 777 file, but if I want to be sure I'm granting permission just for that user, how can I do it?
-- update
The file is owned by ...
3
votes
2answers
12k views
Why do I get an “rsync: failed to set times on … : Operation not permitted (1)” error on Ubuntu 10.10 with SME Server 7.4?
I am trying to cron an rsync via ssh between two fileservers that are running SME Server 7.4 and Ubuntu 10.10, respectively. The first rsync worked just fine (for reasons that I do not know), but now, ...
4
votes
2answers
2k views
Why can't root on one machine change nfs mounted content from another machine?
On my NFS server, I have the following export defined:
#NFS exports Database
/shared -alldirs -network=192.168.1 -mask=255.255.255.0
On my NFS client:
192.168.1.7:/shared /shared nfs rw 0 0
...
5
votes
4answers
3k views
Is there a web based converter between rwx and the octal version?
I can never remember what the conversion is from something like rw-r--r-- to 644. Is there a simple web based converter between the 2?
