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.

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8
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801 views

How do I let an SDL app (not running as root) use the console

I want to use an SDL-based program to display graphics on the console, without having to log on from the console, and without running the program as root. For example, I want to be able to run it via ...
4
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0answers
64 views

tor works when its in /usr/bin but not in /usr/sbin/

I have this very strange behaviour, I have two servers both running Ubuntu 14.04. I've installed tor on both. on machine A tor was installed (by default) in /usr/bin/ and works without any issues. on ...
4
votes
0answers
449 views

Permission problems. Can't retrieve inbox mails from dovecot

I got a VPS server at a webhoster which has CentOS 6.6 as operating system. Because I have multiple domains which are used by various people this server is going to serve multiple roles: nameserver ...
4
votes
0answers
3k views

Samba's “inherit permissions” does not inherit modes for other

I have a share with "inherit permissions = yes". I have a directory in the share with mode rwxrwsr-x. If I create a subdirectory, the modes are rwxrws---. The same happens with a parent directory with ...
3
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0answers
46 views

Protecting my server from it's own users

Are there any tools to check my server's file system for permission vulnerabilities? My server is a low security web and email server running our local email and website. Anyone in my organization ...
3
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0answers
6k views

fatal: bad ownership or modes for chroot directory component “/”

I used to be able to connect via ssh with the user I have created but now I keep getting: "Write Failed: Broken Pipe" and I can only connect as root In the ssh auth.log I get the following: ...
3
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0answers
535 views

Give domain users permissions on cifs shares?

I am using CentOS 6.5 - users authenticate using winbind, all are domain users except for root. /home is mapped to a cifs share on a windows server in /etc/fstab with this line: \\server\home$ /home ...
3
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0answers
3k views

Permission denied when Ubuntu is attempting to mount to a remote Windows share folder

Fellow guys, I encountered the error when I's mounting my Ubuntu server to a remote Windows share folder, the following is the error on terminal after I typed command line 'mount -a': mount ...
3
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652 views

Network Manager doesn't show Wireless connection

I've just installed on my Debian Sid with XFCE4 network manager, but I have a problem, no wireless connection are shown. What Should I do? I used to use wicd but I had problems to connect to free ...
2
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0answers
30 views

File permissions for kernel have changed in OSX Yosmite, why?

I am working my way through the book Learning Unix for OSX Mountain Lion (I don't have access to the updated version for OSX), in which it demonstrates that using $ ls -l /mach_kernel should ...
2
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0answers
50 views

Why does file-roller appear to have lower priviledges than the user

In Ubuntu I have a mounted samba share. I have selected some files in a directory on the samba share in nautilus and attempted to compress them to an archive in the same location. File roller tells me ...
2
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22 views

Bind a directory as me

Analogous for a regular user running a thin FTP server (where others can access the file system with his/her permissions), can a regular user (through fuse maybe) "mount" a directory for others to use ...
2
votes
0answers
56 views

File permissions when removing user from git

I have a shared git repository set up, which users pull from with the ssh protocol. I would like to set up the permissions in a way that only users in a specific user group (e.g. git_group) may ...
2
votes
0answers
201 views

MySQL read only error but permissions set and SELinux AFAICT correct

I am new to MySQL and Linux and because I had issues with an old MySQL version (5.1) I used mysqldump and installed MySQL 5.6. I changed the datadir location by copying everything to the new folder ...
2
votes
0answers
34 views

Cleanup old /dev/pts files?

My company has a policy that sweeps all files on our AIX servers to see if any are world writeable. They are upset because there are some files in /dev/pts (a few with me as owner) that are world ...
2
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0answers
42 views

Disable viewing/listing rights to users

I'm new to linux administration and I'm not sure how to search for this problem. When I create a new user, s/he can browse the filesystem. E.g. ll /. How can I restrict the user to a few select ...
2
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0answers
106 views

Maildir permissions for courier

I'm having difficulty with maildir permissions for Courier, an IMAP server I've installed on a box running Debian Wheezy. The mail directory I use is /var/mail/users, with the following permissions: ...
2
votes
0answers
646 views

Tomcat unable to create file in dir owned by same group

I have a server running Tomcat, and I need Tomcat to create a file in a particular folder. Tomcat (technically a Java app) runs as the user 'tomcat', as evidenced by top: #top 1251 tomcat 20 0 ...
2
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0answers
110 views

How do I recursively apply default ACLs of a directory to its descendants?

If I have a directory with default ACL entries assigned to it, but some or all of its descendant files and sub-directories have access or default ACLs that do not agree with those defaults, how do I ...
2
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0answers
232 views

Logrotate no longer reads symlinked configuration file due to non-root ownership

We are currently upgrading from Ubuntu 12.04 LTS to 14.04 LTS on our ruby on rails application servers, and have noticed that the log files are no longer rotating. On both machines we have a file ...
2
votes
0answers
402 views

Permission denied when running logrotate with anacron

I am trying to figure out what is causing anacron to send me the following error message: /etc/cron.daily/logrotate: /var/log/mariadb/mariadb.log-20140710.gz: Permission denied error: error running ...
2
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0answers
115 views

Easiest way to sandbox an user

I'd like to sandbox a user so that they can only read files under /media/shared/somefolder. What's the easiest way to accomplish this? Users/groups? ACL? AppArmor? Some context: Plex Media Server is ...
2
votes
0answers
462 views

Java plugin not working with FireFox 24.3.0 on Red Hat Enterprise Linux 5.10

In the about:plugin tab, there is not Java plugin. I have created the symbolic link as suggested. The output of the 'ls -al' command is: lrwxrwxrwx 1 shehab shehab 58 Jun 4 11:21 libnpjp2.so -> ...
2
votes
0answers
1k views

CentOS 6.5 sound permissions

I am trying to configure ALSA for a CentOS 6.5 minimal install, my problem is non-root users do not have permission to access the sound devices in /dev/snd because the files are missing access control ...
2
votes
0answers
118 views

NFS mount edits on local NFS-exported filesystem change permissions on the remote NFS mount

I believe there is a noperm or something to that effect option in NFS, but how do I make sure that if server A is exporting /opt/nfs and it is mounted as an NFS mount on server b /export/serverA that ...
2
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0answers
204 views

New files getting wrong permissions from setacl

I'm trying to create a file from windows on a mapped samba share, but after creating the file, I'm unable to edit it. For some reason the mask is changing to rw- even though my default is set to rwx. ...
2
votes
0answers
4k views

Permission denied for user accessing mount

Using root I can mount another Linux share no problem. root@crunchbang:/mnt# mkdir javalib root@crunchbang:/mnt# mount -t cifs //10.1.3.7/javalib ./javalib -o username=guest Root can read/write to ...
2
votes
0answers
71 views

LXC: Have rootfs mounted without nosuid

I have the container's rootfs in a volume mounted with the nosuid option. When I start the container, its / mounted is then also mounted nosuid, which breaks programs such as sudo. How can I avoid ...
2
votes
0answers
370 views

write only permissions on samba

I am busy setting up a file server in our church office (using samba on a debian machine). I would like to impliment a dropbox-like folder for each user, where othere users may deposit files. ...
2
votes
0answers
135 views

Problem with encrypting /var/www and ikiwiki

I tried to encrypt /var/www with encfs. To do so I did following: mv /var/www /var/www.bak mkdir /var/www_enc encfs --public /var/www_enc /var/www cp -a /var/www.bak/* /var/www/ /etc/init.d/apache2 ...
2
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0answers
264 views

Samba: system group mapping

I have w2008R2 PDC and Linux server with samba and winbind. Now I'd like to add some domain users to Unix adm group in AD. Let's say I have adm group defined in AD, and every user from this group ...
2
votes
0answers
965 views

Owner & Group setting for OpenCart install on CentOS 6.3

I'm setting up a development server on a HP microserver with CentOS 6.3. I'm relatively new to Linux and have ran into some issues/confusion. I have the server fully setup/updated with yum. It's a ...
2
votes
0answers
613 views

proper permissions under HTTP root with Apache2 + FastCGI + Suexec

I currently have a setup which runs Apache2 + FastCGI PHP + Suexec. As an example, I'm using /mnt/data/www/vhosts/inflex.co.uk/htdocs as a DocRoot for one of my virtual hosts. I have a script ...
2
votes
0answers
906 views

Permissions for Apache and FTPd users

I'd like advice about permissions on directories and files on a web/ftp server. Here is my situation: Debian Server with those user:group userme:userme for SSH www-data:www-data for apache/php ...
1
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0answers
23 views

Funny message when changing ownership of top directory in a mounted file system

For unknown reason, the ownership of this directory changed. This is a mount point: VM-data is /dev/sda3 which is a btrfs file system. When I changed it back, I got an error, chown: changing ...
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0answers
13 views

Correct permissions for a cache directory

I have setup a PhalconPHP project on an AWS EC2 instance. To get thinks working I gave the cache directory 777 permissions. I realise this is bad practice - what would be the correct permissions for a ...
1
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0answers
29 views

Can't determine where umask is being changed

On my RHEL system, my /etc/login.defs has the line UMASK 077. I have one user who has a .cshrc which changes his umask to 022. I also have a second user who does not have a .cshrc or .bashrc or any ...
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0answers
10 views

defining firewalld permissions without SELinux in Debian

I don't find an explanation regarding the permission system of firewalld in Debian without SELinux. I have multiple users. How do I grant one user admin permissions to firewalld while denying these to ...
1
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0answers
44 views

logadm permission issue in Solaris

Facing the following issue in a solaris box while using logadm tool . It is showing me permission denied error . -> logadm -w princelog /html/web/www.log -C 3 -s 500m -z 0 logadm: Error: ...
1
vote
0answers
61 views

User has write permissions but cannot write to files

I am using a python script to write (and sometimes overwrite) data files. I can write new files just fine, but am getting permission denied when trying to write to existing files. What's strange is ...
1
vote
0answers
22 views

Why can't I view a folder in the Files navigator, but permissions are 766, owned by me?

I have the following mounted drive: caleb@ubuntu-box:/media/data/plex$ ll total 20 drwxrwxrw- 5 caleb caleb 4096 Jul 11 13:29 ./ drwx------ 3 caleb caleb 4096 Jul 10 19:48 ../ drwxrwxrw- 4 caleb ...
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0answers
21 views

TUI Tool to change directory permission rules?

There are some strangers to Linux who need to use it in terminal mode but they are helplessly limited to accept that using chmod and chown is dead simple. They would be satisfied only by a tool that ...
1
vote
0answers
21 views

APCUPSD script can't close program

I want to use APCUPSD to stop a program (called ns_image_server) which runs in a terminal window when it detects that power has been lost, to give that program time to close before the computer shuts ...
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0answers
44 views

Is it possible to change file permissions when copying

I have a directory with default ACL permissions that get copied to all files created in that directory, but only if they are created in that directory. Would it be possible to change the permissions ...
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0answers
34 views

untar error - Cannot change mode to rwxr-sr-x

I am trying to untar a .gz file , which is stored in the /root folder onto a directory in /mnt/flash2/example I use the following command - tar xzf filename.gz --no-same-owner -C /mnt/flash2/example ...
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0answers
45 views

Mount cifs permission problem on deep directory perhaps due to UNC and prefixpath splitting

I am trying to mount a directory (dir3). However, on the windows machine the directory /server/dir1 is already a file shared folder, but I don't have permission to it. I have been given the read ...
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vote
0answers
131 views

Mount FUSE directory into CIFS share with correct permissions

I'm using Time Machine File System (tmfs), which is an extension of FUSE, to read the data on a backup drive and hopefully make accessible from a Windows machine: Create a shared folder you can write ...
1
vote
0answers
119 views

Decrypting with GPG after a “su - different user”

I have cron job running a script in the cron of "USER A" that encrypts many files in a loop using the gpg command below: gpg --batch --cipher-algo AES256 --passphrase "PASSWORDISHERE" -c FILENAME ...
1
vote
0answers
41 views

Virtualmin, mounted disk under home directory, but having permission errors

I have a virtualmin installation in debian 7. My hard drive was full so mounted a second under home directory (/home/disk2) using fstab file. I created a virtual server and moved it to second drive by ...
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0answers
26 views

Centos 7 FTP Hidden Directory Issue

After setting up Centos 7 with a web server standard install and LAMP stack. I installed vsftpd. Everything works fine and configured it to accept passive to enable gui ftp programs. However, when ...