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

learn more… | top users | synonyms (2)

2
votes
2answers
61 views

What service asks for “Authentication to change own user data”?

Related: Seemingly random “Authentication is required to change your own user data” Every now and then (only after resuming from Suspend) I get the following dialogue. The information provided is ...
2
votes
1answer
9 views

How to make a device have read/write permissins when pluged?

I have a home-made device and I wrote a program for data acquisition from it. But each time I plug-in the device I have to change the permissions for /dev/ttyACM0, so that the port can be used for ...
0
votes
1answer
1k views

How to add .bgl to GoldenDICT

I am trying to add a glossary to my goldendict. First I opened the .bgl's containing file which in this case was a .exe one and extracted the files. Then I used chmod to change their permissions to ...
0
votes
1answer
37 views

Simple Samba File Share

I'm trying to setup a simple ubuntu (14.04 lts) file server to allow win xp and osx machines on the network to have read write permissions to the share without having to authenticate with a password. ...
-1
votes
0answers
15 views

NFS: mount.nfs: Access denied y server

Hey I have 2 vms both on diffrent subnets on my hypervisor and I have installed nfs on hypervisor and trying to mount directories in vms as /export ...
1
vote
0answers
56 views

USB Drive - Not able to change file permissions

Now, please note that this is a sub-question of my old Changing Ownership: “Operation not permitted” - even as root! question. If you do not want to visit that link or cannot, to sum up, while ...
0
votes
1answer
18 views

Ubuntu can not access other ubuntu hdd which is external

I had 14.04 ubuntu and my laptop crashed. I need to save data from there. So i created a ubuntu 14.04 live usb and put in into my desktop and boot from it. I can see my hdd now (i connected via usb ...
1
vote
2answers
28 views

Permissions problems with /var/www/html and my own home directory for a website document root

I'm trying to not give 777 permission in my /var/www/html folder, but I want to edit my files without sudo. So I though in create a symlink of a folder in my home directory within /var/www/html. I ...
0
votes
1answer
689 views

Matlab crashes on start after upgrading to 15.04 (from 14.10) [works as sudo]

I recently upgraded to 15.04 and immediately after, Matlab 2012b no longer worked and crashed either as soon as it loads the program, or a few moments after I try to do anything. I tried installing a ...
0
votes
2answers
18 views

Cannot save files even though logged on as Administrator account

I've logged on as an administrator user but I can't even save files using my IDE. Error mesage: "Could not save project: java.io.FileNotFoundException: ...
0
votes
0answers
26 views

cifs, smb - Can't mount (permission denied) or navigate shared folder

I've recently bumped into this problem. I usually navigate through a local network shared folder from a Linux machine via smb (i.e. from file manger using smb: ). Now whenever I try to access the ...
0
votes
2answers
84 views

can't login as mysql user root from normal user account in ubuntu 16.04

I just installed Ubuntu 16.04 along with packages php, mariadb, nginx. I ran mysql_secure_installation and changed root password. Now when I try to login to mysql using mysql account root while logged ...
2
votes
2answers
3k views

Samba user and guest permissions

I have a folder in /var/www/html/ that people upload files to via PHP called store. store has the permissions rwxrwxr-- it is owned by the user josh and the www-data group. The store folder is also ...
1
vote
1answer
20 views

AppArmor: Unusual denied “name=<string>” message

I have a custom AppArmor profile to confine Syncthing. (I realise that this might not be a specific Ubuntu question, but I only use Ubuntu so I haven't seen if this affects other Linux distros). ...
0
votes
0answers
11 views

VSFTPD Virtual Users

I have created a web site on my ubuntu computer. I now need to be able to give 1 external user (no access to the computer itself, but FTP access) so that they are able to ftp files in and out of the ...
0
votes
0answers
25 views

Ubuntu web browser does not start after upgrade to 16.04

I have recently updated my Ubuntu installation from 15.10 to 16.04. After it the Ubuntu web browser app does not start. Here is the console log: (webbrowser-app:7778): dconf-CRITICAL **: unable to ...
0
votes
4answers
1k views

Reinstalled Ubuntu 12.04 and now I cannot change preferences like theme, wallpaper, and nautilus preferences

So I just down-rev'd ubuntu from 13.04 back to 12.04 LTS desktop 64 (Precise). I am using Unity. I just reformatted the Ubuntu partition, but kept my home directory intact, and everything seemed to ...
2
votes
2answers
47 views

How to circumvent hard link creation permission to directories on the same file system

I'm well aware of the difference between symbolic and hard links. I'm also aware of the dangers of creating hard links to directories. Nevertheless, I'm insisting on creating a hard link to a ...
1
vote
3answers
48 views

Why is /usr/local/ owned by root?

I am wondering why directories such as /usr and /usr/local/ are owned and created by root. Usually I am logged in as a normal user and I want to store programs that I personally use in these dirs. For ...
14
votes
4answers
141k views

How do I set read/write permissions my hard drives?

I've recently installed Ubuntu 11.10 on my laptop, but I can't do anything with my 1.5TB external drive, and my 500GB because I don't have write permission. Are there any specific commands I can use ...
0
votes
1answer
24 views

How to login with root user? [duplicate]

I'm trying to do a login in my Ubuntu, but I can't: I read Q&A about enabling root user, but how I can do it without a sudoer user? How can I add a sudoer user without having root access? I ...
-1
votes
1answer
22 views

start screen programm with crontab @reboot

I try to start a start.sh at reboot with crontab. But nothing happens afer a reboot, and the log is without an error. Does someone know what i've done wrong? For testing i gave the start.sh and ...
3
votes
2answers
39 views

How to check for executable files in a given directory and its sub-directories?

I understand that it is a bad practice to keep files owned by oneself in one's home area which are executable, so I am in need of a script/tool which checks recursively through a given directory (in ...
0
votes
1answer
13 views

Apache2 All catalogs without index.html or php are forbidden

All catalogs that havent index.html, or .php are forbidden. I can't access it by server (for example I can't use css in folder css). My apache2.conf <Directory /> #Options Indexes ...
1
vote
1answer
28 views

Permissions error when sudo-ing

I'm following a simple installation guide and I have a noob question. The software I'm installing is Movim (the guide: https://github.com/movim/movim/wiki/Install-Movim) The 'Downloading' part of the ...
0
votes
0answers
24 views

OS error permission denied

I'm trying to execute a python script but I'm getting an OSError saying “Permission denied”. I tried to change the permissions of the temp folder by sudo chmod 777 -R temp but it did not work here ...
-2
votes
1answer
23 views

How i can do for know what i have to do i this type of cases: root? [duplicate]

I receive that message when I want install or try to don know that was installed, after it's here : apt-get install linux-generic -(the error)- E: Could not open lock file /var/lib/dpkg/lock - open ...
0
votes
3answers
4k views

generic-CUPS-PDF-printer - Ubuntu 14.04

Printing any document to a PDF works nicely. Unfortunately I want the created PDF file to be saved at a different location. The current default location is: /home/PDF The desired one location is: ...
0
votes
0answers
23 views

How do I setup Homeshares that ask for the password that uses pam authentication?

How do I setup shares that lists the users under homes for the home directory share and when clicking on the username it requests the password from the pam authentication module? This will happen when ...
1
vote
1answer
25 views

apt-get install r-base Gives 403 Forbidden Error

I am trying to install r-base in my just installed Ubuntu 14.04 system. However, I get the following error (only last few lines of output is shown here): 0 upgraded, 70 newly installed, 0 to remove ...
1
vote
1answer
4k views

SSH: Permission denied, please try again. While tryng to connect to remote 12.04 server

I'm having quite the head ache because of this. The day before yesterday I rented a VPS at atlantic. They provided me with vnc and root's ssh credentials. I could only login through a VNC viewer ...
0
votes
1answer
24 views

I run the chmod command on /. Folder and my laptop hang

I run the followimg command on my and laptop hang. then i turn the power off and start it again since then it is saying run in low graphics mode bt its not working ayush@inspiron# chmod -x /. so ...
0
votes
1answer
30 views

Can't access Windows Partition anymore - No permissions

I've installed Ubuntu 15.10 alongsite Windows 10. I was able to access Windows partition without any problems since today, after rebooting my compyter I can't access it anymore. A pop-up shows up ...
0
votes
0answers
13 views

Permission denied by some commands but not others [duplicate]

I am writing a script that will install Eclipse STS and create a .destop file so that it shows up in Gnome dash. This might not be the best way to make a .desktop file but when I run it I get a ...
0
votes
1answer
73 views

Fix permissions after upgrade to 16.04

I updated a server from 14.04 to 16.04. Now apt-get update does not work anymore. I get the following errors: 0% [2 InRelease gpgv 11.5 kB] [Connecting to archive.ubuntu.com (91.189.91.26)] dpkg: ...
0
votes
0answers
4 views

All folders are getting created in home directory [duplicate]

I am having a unique problem. I changed my directory to Desktop using cd Desktop and then on using ls it lists a couple of pdfs present in the desktop. However, I could not create any directory in ...
0
votes
1answer
18 views

How to Share existing ntfs partition to windows network with specific users

Im a newbie in Ubuntu so I need all the help I can get. Here's my situation: I have an hdd with 2 NTFS partitions: 1. Windows System & 2. Data What I would like to accomplish is to put this hdd ...
0
votes
0answers
13 views

bindfs with filesystem ACL support?

I have been using the ServerPilot service to provision a Vagrant box (14.04 LTS) for local development. NFS is the fastest option when setting up a synced folder between the host and guest VM but this ...
0
votes
0answers
12 views

How to disable password prompt in Settings GUI [duplicate]

So before you give me an education in proper Linux security, let me just say: I know. I know I know I know. I'm doing this for an employer who has looked at all of those arguments and thrown them ...
9
votes
3answers
57k views

“You are not the owner…” message when trying to access folder

In the properties menu of this folder the permission is set to "root" user and group, it shows the message "you are not the owner, so you cannot change these permissions." I am indeed the owner and ...
1
vote
2answers
699 views

sudo: file permissions

If I create or modify any file or directory with sudo then permissions go to root only. And it seems that I need to use sudo in order to do some things in ubuntu. For example, I can't seem to mount a ...
0
votes
3answers
24 views

Do files/directories belong to a user AND a group?

I'm trying to understand how file permissions work in Ubuntu. However, I can't understand the difference between user and group permissions. In here it says: Owner permissions − The owner's ...
0
votes
1answer
4k views

Samba file share permissions issue

I have a quick question in regards to Samba share. I have recently built an Ubuntu server and moved all my previous Windows NTFS HDD into the server. My goal is to share all 4 HDD to utilize on my ...
0
votes
2answers
180 views

Interesting VirtualBox Plex Permissions Issue

My system is setup with an Ubuntu 14.04 installation running a 14.04 guest virtual machine, via Oracle's Virtual Box. I also have 3 x 2TB drives setup in a zpool. To give the virtual machine access ...
0
votes
0answers
9 views

How can I stop the 'rename' dialog box from showing

Since I upgraded from Ubuntu 15.10 to 16.04, a dialog box appears every now and then, when renaming files. The text in the dialog box is: renaming "file1" to "file2". You can stop this operation by ...
4
votes
3answers
582 views

Restricting MTP devices from being mounted by a user/group

I am working on converting an Ubuntu (14.04 LTS) installation into a kiosk-like system with disabled USB storage. However, this does not prevent a user from mounting an MTP device such as an android ...
5
votes
2answers
12k views

Ubuntu 14.04 QtCreator Qt5 examples missing

After upgrading to Ubuntu 14.04 I removed the official qtcreator in order to install the modified version from the software center because I'd like to try the SDK. Fortunately, the docs are now ...
0
votes
0answers
35 views

guest session unable to change user

When I login as guest I am unable to changue to other user or execute any command with sudo (ubuntu 15 , 16, lubuntu... , on ubuntu 12.04 its works ) : su USER setgid operation not permitted ...
0
votes
0answers
17 views

Sharing folder between Owncloud and Plex

I have a working owncloud and plex installation. Now I want to have a shared folder between these two. I have created a folder /Music and have added it as external storage in owncloud and as library ...
0
votes
1answer
12 views

Remove files created through mount & owned by root

So, I have been doing some trial & error learning about bind mounts in Ubuntu Desktop 14.04... I got everything working the way I wanted it, but as a result of my trial & error learning the ...