Short for "file system permissions" - access control based on user, group, or global access.

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8 views

Can I have my ubuntu linux sudo/su password diffrent from my desktop login password?

Is it possible to have a desktop login password different from the password use for super user permissions like for example when you are installing software or running a command in sudo or something ...
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24 views

Is it safe to change ownership of all files in “/root” folder to “root:root” recursively?

I mistakenly ran chown -R buttle:butkus *;chown -R buttle:butkus .* in the /root directory. I killed the command but it definitely changed a lot of files' ownership before I killed it. So a lot of ...
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2answers
19 views

How do I add a permission for write and read access and not remove the folder?

I have Ubuntu 14.04 installed. I want to secure my folder. How can I add permissions to allow for write and read access and not removed the folder?
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16 views

ls -l Commands Gives ? for Permissions

This is a movie file, .avi that is on an external hard drive. It shows up purple when I do: ls -l For some reason I'm not able to see it using a GUI (not admin/sudo). But it will show up using ls ...
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0answers
9 views

Can mount and view samba share, unable to do anything else

I have a samba share set up on a raspberry pi. I'm trying to share out the entire file system, so I can access it from a laptop. Here is my config for the share: [pi_share] path = / available = yes ...
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1answer
26 views

Can't execute this file

I can't execute the skype file. I have the permissions I need. What's the meaning of filename* in the ll output?
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9 views

Mount virtualbox shared folder from .desktop file in ubuntu guest on OS X host

Trying to make mounting the shared folder done through a clickable icon on the desktop. I can run this command from the terminal and it works fine and mounts the folder: sudo mount -t vboxsf -o ...
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1answer
28 views

Cannot find ld when non-root user

I have an autocompile program available on a website that I am running. The program uses clang++-3.5 to compile C++. When I run the auto-compile python script, as a root user, compilation is ...
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2answers
55 views

chmod 777 on a home network

first and foremost i am a noob in ubuntu, but since i want to learn more i decided to make my home server an Ubuntu Desktop machine. After searching online i installed Samba and connected my other ...
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1answer
23 views

What are the privlages i should give to a standard user account?

What privliges should i give to a standard account? what should i remove? The user i am changing was the original Main admin account. I have set up a second account that will be my new main admin that ...
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1answer
18 views

What is the proper way to allow multiple users access to /var/www?

Software Versions Ubuntu 14.04 Apache 2.4.7 I have a small web server set up and have about 5 users for whom I host websites. My web structure is like this: /var/www/user1 /var/www/user2 ...
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0answers
10 views

Login to desktop environment only for some users

i have a system with kubuntu on it and two different desktop environments. Is it possible to restrict the login for one of the two environments for a special user group? Like users of the group ...
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1answer
33 views

Hide files from root in ubuntu

My question would be a little bit silly, but who knows because linux is a very rich and sophisticated OS. Is there a way that a normal user in ubuntu can hide some files from root ? I know that the ...
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1answer
23 views

Why can't I log in to my Samba share on my home network?

Recently I've had to reinstall Ubuntu Server 15.10 64-bit after wiping my home server due to an insecure password-only SSH server sitting on it for too long. Now, I'm plagued with setting my machine ...
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17 views

Deluge Daemon fails to start on Ubuntu 15 systemd error: code=exited, status=203/EXEC

Trying to install deluge by following this guide on a new Ubuntu 15.10 VM. I have looked at the two most likely linked questions, but I can't discern an answer and the error message is different from ...
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1answer
13 views

How to change zram size?

I installed zram with sudo apt-get install zram-config. After that it started automatically and when I verified with cat /proc/swaps it's running properly But when I used sudo echo 128M > ...
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2answers
56 views

Passive Root Usage Program/File Type [on hold]

As opposed to my previous phrasing asking quite simply Fastest Way to Give a Virus to Ubuntu?, this is re-phrasing it into a question that it inside the boundaries of the help center. I would like to ...
1
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1answer
26 views

VLC can't open UDP stream in Ubuntu 14.04

I have Ubuntu desktop 14.04 with two NIC, eth0 and eth1. One is just for internet and the other one is on local subnet where multicast UDP stream is coming. Default route is on eth0, and multicast ...
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1answer
16 views

Locking a folder on a shared linux server

My college has a server set up for students and we all have a folder for our persona stuff on it (access via ssh). So I explored it a bit and found out I can access most of the folders of other ...
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1answer
22 views

unable to change owner for my drive

I am new to Ubuntu OS. I have noticed that once of my drive 480 GB drive partition is owned by root. I was trying to change the permission to user skorlam (my user name) but it says : ...
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0answers
30 views

Insufficient permissions trying to edit nginx.conf

Sorry if I come off as ignorant, I have not been using Ubuntu for a long time, but I figured that because i have an interest in coding, and I also have an interest in Streaming games to twitch.tv, I ...
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1answer
25 views

Prevent other users in same group to change my own file?

I have a share directory with another user, say Bill. The directory has permission as 775. I create my own file with the same permission in the directory. My file has owner and group as my user ...
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20 views

Problem installing bin file

I need to install .bin file on Ubuntu 14.04 LTS RaspberryPi, but I cannot do it with the commands: chmod and ./file.bin. Actually, I´ve read quite a lot about this, but could not find anything like ...
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39 views

usb stick rechte

I suddenly seem not to have the permission to write on my usb-drive. - it's formatted with fat32/16. Ii tried to change the permissions using chmod 777 /dev/sdb1 in the result ls -l shows all ...
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1answer
23 views

How can I set system time as regular user via cmd line?

I need to be able to set the system time using 'date' as a regular user. I have a non-networked pc connected to a GPS receiver and would like to sync the time to GPS time. Needs to be done from a ...
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1answer
27 views

nfs4 permission denied: UID GID numbers shown for owner. I expected strings

I do not get the expected file permissions from my Lan Server using NFS4. Mounting the 'exports' dir as a client works fine. ls outputs the correct folder content. But if the client tries to cd into ...
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1answer
15 views

sudo cp --preserve=all not preserving ownership

I am trying to copy data back onto an sd card with an ext2 type partition whilst preserving the ownership and permissions. I use the following command: sudo cp -va --preserve=all 2nd/. ...
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2answers
32 views

I used sudo chown -R yourusername:yourusername /etc but cant turn it back [duplicate]

I have used sudo chown -R yourusername:yourusername /etc to get access to that folder to remove some files, but now I get errors when I try to install stuff, as seen below, and can't seem to change ...
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18 views

access removable device remotely by NFS

I have a server and some clients sharing some directories using NFS. Now I want to have access (both read and write) to any removable device (such as external hard disk) which attaches to server ...
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0answers
8 views

Coping a file to a windows NTFS partition has no permisson

I share (Xubuntu) through network or copy directly files into NTFS directory and then sometimes I can not do anything with them in Windows XP. The files can not be read and sometimes they can not be ...
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32 views

VirtualBox for Ubuntu Guest and Mac OSX El Capitan Host (Unable to connect to VBoxClient)

I have installed VirtualBox 5.0.14 on MacOSX El Capitan, and inside it, I have Ubuntu 15.10 as a Guest. I have downloaded certain files in the guest, and I wish to enable the exchange of these files ...
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21 views

Windows User Folder Is Showing Empty! I want to backup my data(My Documents) as my Hard Disk is likely to fail soon! Please HELP!

History: I was using Windows 7 and my laptop crashed and was not able to boot, I first tried ubuntu by live usb there I found out that my Hard disk was likely to fail soon, so to save the data I ...
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20 views

How to mount ntfs usb flash drive with permissions automatically when plugged in?

I recently made it so I can use the ./ command in a usb drive by formatting to ntfs and then using the command sudo mount -t ntfs -o fmask=0022,dmask=0000,uid=1000,gid=1000 /dev/sdb1 ...
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17 views

How to change permissions for folders in media/teja “for external hardisks”?

I tried others ways to change the permissions for folder and files in media/teja let me explain my file structure: In media I have a folder named teja which is my user name , I never created it and ...
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1answer
15 views

No permission to write to serial device

Getting error "Permission denied" while writing to serial port from command line. I do : echo aaa > /dev/ttyS0 or even sudo echo aaa > /dev/ttyS0 but get the same result. How to solve this ...
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12 views

Permission denied while using PHP Mail using Postfix

I already asked this question in Stack Overflow (http://stackoverflow.com/questions/35159754/permission-denied-while-using-php-mail-using-postfix) but since I am not sure whether it is a Ubuntu ...
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1answer
47 views

I can't use the ./ command in USB flash drive [duplicate]

I recently got Linux, and wanted to run the game dwarf fortress in my USB flash drive. To run dwarf fortress on Linux you have to use ./df in the dwarf fortress folder, but when I use this command it ...
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10 views

Cannot access a folder on Windows due to ownership issues [duplicate]

I have access to all the files on Linux, with ownership details "-rw-------", in my folder, say "my_files". However, I am not able to access the folder on Windows, as it says, "You don't have ...
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1answer
15 views

How do I share a secondary internal drive?

I'm running Ubuntu 14.04 LTS. I have two HDDs. One for the OS and one for Storage (actually called Storage, even). I have three computers. This one running Ubuntu and two others running Win 7. What ...
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14 views

Ubuntu touch - applications permissions [closed]

Someone can tell me why when i go to my settings-->privacy & security--> apps permissions .. Between all the apps i can not see the names and icons of three of them!
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15 views

NFS mount. Permission issue?

Attempting to mount an NFS share on my server and the following seems to be as far as I get... I've tried various solutions apart from an OS reload, which may be coming still... :) Not running an ...
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0answers
22 views

Whole directory and content changed to non-existent owner and group

Would there be a reason (other than an action on my part) that the owner and group of a directory and all of its content would be changed by some unknown force? The said directory and content are now ...
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0answers
9 views

Installation of Sentifuge 2.1

I have downloaded sentrifugo.zip from http://sourceforge.net/projects/sentrifugo/files/ 2) Then changed the permission to by below command chown -R nobody:nobody Sentrifugo 3) nobody group was not ...
2
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1answer
18 views

Allowing a systemd system unit to access/mount a disk required for that service to run

Preface: I am new to Ubuntu and Linux in general so bear with me. I have created a systemd system unit to run a program as a service. For added security, the service runs under its own group and user ...
4
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1answer
102 views

Moving files with bash scripts

I have a bash script that watches a folder, if something is added to the folder, the script will move all contents withing the monitored folder to the defined destination. I have a few of these ...
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0answers
20 views

Bug in CIFS accessing filesystem root?

I'm having trouble accessing the root directory of another Linux machine. In my fstab I have two entries for the machine in question //ltotto/root /mnt/ltroot cifs ...
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13 views

how to install .sh file in ubuntu 11.04 [duplicate]

I downloaded Ubuntu Operating System Update(php,MySQL,C++) for Version 11.04, 32 bit from www.hsslive.in when i started to run update.sh file, but i got the text editor page. then i right click the ...
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6 views

why do some log directories need x permissions? [duplicate]

I have some log directories that were causing me problems when I did not have x permissions for their owner, why would writing a log file require x permissions?
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0answers
21 views

Wordpress wp-config.php installation error in Ubuntu

The following problem didn't happen to me in Win10 and from a quick search there isn't much data on this problem with Mac. Maybe someone encountered it and could detail solution: I am trying to ...
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1answer
22 views

Why I can't erase a hidden file with root privileges?

I downloaded a compressed file (rar) with two files inside: 1) A PDF standard file, and 2) A hidden file .fuse_hidden000004a90000000c (a dot, not extension, file name), which is the exact same PDF ...