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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Why is sed changing permissions of a file on a cifs mounted share?

I have an Arch linux machine that uses the following fstab entry to mount a share: //192.168.3.1/Documents /mnt/ cifs ...
4
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2answers
293 views

Unable to SSH Using a Private Key Through Bash Script

To start with, I apologize if this is a painfully obvious/trivial issue, I'm still learning the ins and outs of linux/unix. I work with a few servers that require access via ssh and private key to ...
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1answer
40 views

vsftp doesn't respect chmod setting when uploading outside my local network

Yo! I've a ftp server on my linux machine and I've set the following rules: I keep group and owner and chmod it to 775. When I use it at home (192.168.x.x) it's ok, files keep their group and user ...
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2answers
181 views

Can users in a group access a file that is in another user's home directory?

I have 3 users A,B and C inside a group 'admin'. I have another user 'D' in whose home directory, there is a project folder. I have made D as the owner of that folder and assigned 'admin' as the group ...
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1answer
73 views

vsftpd, 553 Could not create file. How do I chown two different users?

I'm new to linux, but I'm learning! I'm running CentOS 6.7 with nginx and I'm trying to get vsftpd to work. I can log in via FTP okay, but when I try to write a file, I get an "553 Could not create ...
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2answers
60 views

Permission bit of 730 for a directory? what does this mean?

I know its rwx-wx---- but what does -wx for the group mean? Can they write and execute the file but not see them? Can they overwrite file with same name or delete the file?
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1answer
130 views

/bin/sh: bad interpreter: Permission denied when installing Postgres

I have already looked at similar posts in this forum related to bad interpreter and denied permissions, and was unable to find a solution to this problem. I have a vps Linux x64 (v2.6.18; CentOS ...
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64 views

Having trouble updating my firmware “Error processing Archive”

On Ubuntu OS sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following packages will be ...
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3answers
632 views

sudoer file how to give a particular user full access to only certain file

I want to give a user full access to only certain files, can someone show me how to do that? For example, I want to modify the sudoer file to grant user access to only certain file. Thanks.
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32 views

Trouble with Xfce permissions for suspend and nm-applet

I have problems with permissions in Xfce, and I have no idea how to search for solutions. Googling gives lots of different solutions but none of them work for me. When I suspend/logout/reboot etc I ...
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1answer
30 views

(vsftpd) uploaded file group

I'm creating an ftp server with vsftpd, and I've almost finished, the only thing remaining is when I upload a file (logged as an user U), the file belongs to a group which has the same name (so group ...
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1answer
68 views

Is it a good idea to set file permissions to 640 on windows partition?

I run both Arch Linux and Windows 10 on my computer. When I cd onto the Windows partition (which uses NTFS), I notice that all files and folders have 777 file permissions. I want to run $ chmod 640 -R ...
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1answer
99 views

Access a file in PHP through a symbolic link from a user that normally doesn't have permission

I have this website, where if the user submits a form, a python script is executed through a php page, and the python script creates a zip file and should offer it to the user for download through a ...
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1answer
45 views

Allowed group can't access a folder [closed]

I've a weird problem on my linux machine, I've multiple users, we can say u1, u2, u3... who all belong to a group G. I have a group folder in /home who belong to one of these user (we'll say u1), and ...
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0answers
53 views

Apache, can't link to Home directory, Alias does not work

I am trying to make a folder in which I can build websites (using php). I have switched from a Windows system where I was using Uniserver (http://www.uniformserver.com/) which is a setup with MySQL, ...
2
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1answer
40 views

ACL group permission still not allowing write permissions

There's a file called '/etc/file.conf' on my filesystem. $ getfacl /etc/file.conf getfacl: Removing leading '/' from absolute path names # file: etc/file.conf # owner: root # group: root user::rw- ...
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3answers
70 views

Change files with Editor that need sudo permissions

I want to change files with KomodoEdit, that need sudo permissions. I cant start KomodoEdit with sudo tho (for whatever reason). Can I somehow grant Komodo permission to edit those files (in ...
5
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1answer
251 views

how to remove SELinux label?

I added the SELinux label svirt_sandbox_file_t to /home chcon -Rt svirt_sandbox_file_t /home The label is shown using: [user@localhost ~]$ ls -Z unconfined_u:object_r:svirt_sandbox_file_t:s0 ...
1
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1answer
189 views

Allow user access to their own dir, /var/www/html, nothing else

My company has a web designer that's going to upload files to /var/www/html and edit them. I created an account and will give them ssh access. I added them to the apache group, but they can't access ...
0
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1answer
72 views

Setuid does not work for my windows program hosted on a Linux server [closed]

I compiled ExpressI.exe on a Windows system with Visual C++. The file ExpressI.exe resides on a share mounted from Linux. I need to permit only the program ExpressI.exe to access the test folder ...
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0answers
94 views

Permission denied using ecryptfs-setup-private as root

If i create an encrypted home directory for a non-root user as root user, I mean: ecryptfs-setup-private -u kok After that, when kok login it fails to mount: Failed to detect wrapped passphrase ...
2
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1answer
125 views

Bash script unable to move files

I'm trying to write a "janitor" script that will run as a cron job in one specific directory. It is supposed to create an archive folder with the date of creation in the name, and then find and move ...
1
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1answer
26 views

Group Directory permission

you have been asked by couple of programmers to make ProjectA a group directory on a UNIX server which allows them to create files under that directory to facilitate collaborative work, but only the ...
2
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0answers
45 views

Unable to insert records on sqlite on a Linux environment

I tested a simple Php program using Sqlite3 instead of mySQL on my own computer and it works fine. What the program does is simple insert of record into a certain table. Now, when I try to do that on ...
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0answers
185 views

How to change to a different user after SFTP login

The goal: Use local IDE (IntelliJ PHPStorm 9) to browse & edit remote files via SSH The obstacle: My user on the remote machine does not have permissions to read files, which are owned by ...
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1answer
22 views

When installing a package, can I give write permission to specific files?

I'm trying to install numpy onto my system. I'm kept from installing the package, however, because I don't have permission to edit certain folders. This "permission block(s)" is the standard safety ...
3
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2answers
80 views

Creating a user having only access to folder & sub-folder which is present in other user of the same System

I have 2 users on my ubuntu system, User1 and User2. I have a directory(folder) in User1 as /home/User1/Software and I want to set this Software folder as home directory of User2 so that whenever ...
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0answers
24 views

Can't Wireshark the USB bus: permissions

I am trying to monitor my USB traffic using Wireshark. The docs say "just do sudo modprobe usbmon". Well, that doesn't work: vorac@laptop:~$ sudo modprobe usbmon [sudo] password for vorac: ...
2
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1answer
90 views

How to make files unmodifiable and undeletable without `chattr`?

I (and my collaborators) have a directory tree containing ~160K files (most of them are automatically generated by data gathering instrumentation). These files reside in a system that gets backed up ...
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0answers
52 views

Starting a minecraft server using screen doesn´t work properly

I'm trying to run a minecraft server on my vServer. Everything works properly when I start the server like this: java -Xmx1G -Xms1G -jar minecraft_server.jar nogui But I want the server to run in ...
2
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0answers
43 views

How to set EMIRGE program to write files with desired permission

How can I get the EMIRGE program to read certain files? I am using Linux Mint (17.1). I have downloaded a program call EMIRGE, which is supposed to take fastq files (a text file format for ...
2
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1answer
47 views

Accessing Time Capsule Drive from SSH?

I have an Apple Airport Extreme Time Capsule. I'd like to use it to store information for data mining operations. I've set up OS X server, and set up user accounts such that users can log into a Mac ...
3
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1answer
109 views

How to specify owner and permissions for an NFS mount?

I have an NFS mount in fstab: 10.0.12.10:/share1 /net/share1 nfs rw 0 0 which defaults to root as owner and group and 777 permissions. How do I specify another owner and different ...
2
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1answer
93 views

Avoiding permission issues on portable hard drive in Linux Mint

I'm trying to pre-emptively avoid permission issues on my portable USB hard drive. The plan is to put a couple of Virtual Machines on the portable hard drive, and use it between two PCs both running ...
2
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2answers
95 views

How to set default owner per directory?

I'm on Debian 8. While How to set default file permissions for all folders/files in a directory? is about permissions, I'd like something similar for ownership. Whenever I login as root and add a ...
5
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1answer
100 views

Why does default setfacl fail for nested directories?

I am using sftp with the internal-sftp for debian. What I'm trying to acomplish is to jail all users to a specific folder which is working fine. I also need to have a single user that has "admin" ...
3
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2answers
48 views

Do permissions for the root folder in *nix filesystems differ from other directories?

In a comment under this answer I received a suggestion that "permissions on the / folder are a special case". Is it true and if so, how does the implementation of permissions for the root folder ...
2
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0answers
21 views

Netatalk user in both rwlist and rolist

0 down vote favorite I'm currently configuring a AFP server that's running OD, AFP, SMB etc. My problem is that I got a few shares that ALL needs to have read only on and a few people in a specific ...
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0answers
18 views

RHEL / SELinux - Apache unable to write to a directory it can write to [duplicate]

I have a RHEL 7 machine running an Apache web server with multiple virtual hosts on it. I've recently run into an issue where I am unable to upload media, e.g. images / pictures / video, to my machine ...
3
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0answers
60 views

Read but not write access to a socket on Linux, what can one do with that?

On a server installation, I found sockets writable by group, but only readable by others. I assume that the latter has no effect, as my understanding was that write access is needed to be able to work ...
0
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1answer
48 views

Default text file permissions?

How do I find out the default permissions for a newly created text file? I've tried ls -l filename.txt but it keeps saying it cannot access the txt file, so im pretty sure I'm doing it wrong ...
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1answer
316 views

file with permission lrwxrwxrwx does not show any link on “ls -l” command

lrwxrwxrwx. 1 tomcat tomcat 27 Oct 17 00:23 work This is my file(link) I want to go inside a directory within it to rm a file and then copy the new one. But it says permission denied and does not ...
0
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1answer
42 views

Add permissions to access /media/External drive

I'm using RaspberryPi and Raspbian distribution. Additionally I have installed Kodi and set it up to auto start. I have problems with setting permission to /media/myDrive directory. It's because od ...
0
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0answers
70 views

Logged in as root server but terminal not showing #

when I log into Centos 6.5 server with root details, It is not showing # in my terminal, when I do sudo it says "sudo: /etc/sudoers.d is world writable" So i checked on google and used answers ...
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1answer
171 views

zipping files without changed its ownership

I understand now that i cant give away files Using chown as i am a normal user and not the one with root permissions . Now my problem is I have a whole bunch of files with write permissions on them ...
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1answer
34 views

`sudo tar` but own the resulting file

I want to put a bunch of files into an archive with tar. However, I don't have permission to access all of them, so I have to do sudo tar. However, now that root has run the tar, the resulting ...
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1answer
38 views

Rights, permissions and groups

I have a external drive mounted to /media/usbhdd, the owner is: debian-transmission and the group is gebruikers. In the group gebruikers i have added the person debian-transmission and pi. But when i ...
2
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2answers
293 views

Prevent a user from removing file

I am looking for a way so that a particular user or a group should not given the permission to remove any file in the system, but only read/execute the file.
2
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1answer
42 views

how to prevent access to other user with same user id (UID)

I have two Linux OS installed in two partitions in my system. However I have few usernames which are common in both partitions. For ex, I have user friend in both the OS. I have noticed that friend ...
0
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1answer
41 views

permission denied on ~/.ssh for the owner of it! [closed]

I have set the owner of /home/jack/.ssh to the jack and also give it the permissions as follows: -rw------- 1 jack jack 1679 Oct 10 01:41 id_rsa -rw------- 1 jack jack 396 Oct 10 01:41 id_rsa.pub ...