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

learn more… | top users | synonyms (2)

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15 views

Acer 5750G/5755G Perl script requires access to /dev/port

I recently decided to get rid of windows and install Linux on my Computer. So far it has been a good experience. However, one of the main things that was worrying me was the fact that I maybe could ...
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0answers
12 views

How to recover administrator permission and media access for normal user?

I have a dell pc with ubuntu 14.04 lts version for my work. On a spring day, my system administrator removed my system's administrator permissions and removed my media access. He used the following ...
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5answers
632 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 ...
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0answers
11 views

Can't copy files into Apache WWW subdirectory [duplicate]

I'm trying to set up Joomla on my 16.04 box. I have Apache installed, and trying to copy files to the www/html subdirectory using FileZilla. Nothing seems to work. I'm suspecting it's a permissions ...
1
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1answer
24 views

Why won't chmod +s allow me to do stuff in root's stead?

I have a very specific command I'd like anyone to be able to run. For the sake of example, let's pretend the command is ip addr flush dev foo0. I found this and this. Unless I'm misunderstanding ...
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1answer
17 views

www-data vs <username>

I am really confused about ownership www-data vs [username] (ex: admin, mike). www folder owned by [username] same as any folder or file created, great. So why do I need to change owner to www-data? ...
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11answers
31k views

Matlab install - Java permission denied

Matlab version 2012. I know there are many threads about this, suggesting to chmod +x the following files (if you are in installation directory): sys/java/jre/glnx86/jre/bin/java ...
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2answers
267 views

Accidental changing of permissions to run sudo, leading to its inability to function

I ran sudo chmod 777 -R /usr/bin as I had a few programs there I wanted to be able to run with more ease, without continuously entering my root password but now /usr/bin/sudo keeps giving me an error ...
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0answers
16 views

Just fails on chown command, anyway to fix?

Ubuntu Server 14.04LTS: {whit no root enable and passwd} i try to use chown www-data:www-data /somedirctory but fails on enter with sudo chown -R www-data:www-data / when i try to sudo command i ...
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0answers
19 views

Custom script not working as expected in ubuntu [duplicate]

I wrote a java application, want to register it as a service, so wrote a bash script in /etc/init.d/. Here is the script: #!/bin/sh # # chkconfig: 345 50 83 # ### BEGIN INIT INFO # Short ...
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2answers
29 views

Access is denied because the NTFS volume is already exclusively opened

I'm trying to mount a drive with: sudo mount -t ntfs /dev/sda1 usb I get this error: Mount is denied because the NTFS volume is already exclusively opened. The volume may be already mounted, or ...
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1answer
22 views

Can't log in: Upgraded to Ubuntu 16.04 invalidated my public ssh-keys, changed to PasswordAuthentication no and now I can't get back in

I upgraded my remote server to Ubuntu 16.04 (from 14.10). Then I reconfigured it to only use keys and not passwords. Did that by editing the /etc/ssh/sshd_config file where I changed to the ...
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0answers
6 views

“Access denied for user 'root'@'localhost'” when updating vendors in a symfony app while deploying on a remote server

I am trying to deploy my symfony application on a remote amazon server. While updating the vendors using: composer install --no-dev --optimize-autoloader command this error occurs Access denied for ...
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0answers
11 views

Permission denied error setting up IPSEC VPN on Ubuntu 15.10

I am following this tutorial to create an IPSEC VPN on Ubuntu 15.10. I have followed the previous instructions to a T, however, when I get to this step: sudo -i ipsec pki --gen --type rsa --size ...
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0answers
7 views

Cannot rename .theme file in Drupal 8 installation

I don't know if this is an Ubuntu question or a Drupal question but since it SEEMS OS-related I'll ask it here. Sorry if that's a mistake. Here's my question: Summary of problem: I've added a ...
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1answer
18 views

Sharing a Network Drive through OpenSSH for a Specific Group

First question, hooray! To the point: I'm not very well versed in Linux, I'm in the process of studying my Linux+. I'm working on a variety of projects with friends, co-workers, and teachers. I'm ...
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1answer
9k views

Denied Permissions to access and move folder from a Mac Hard Disk

I have a iMac in which the Hard disk has failed. I am trying to get files off the users desktop that has not been backed up. I cannot repair the Hard disk and do not have another Mac to transfer the ...
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0answers
39 views

Can't execute .sh file that works finely through the terminal in Xubuntu 16.04

My first attempt with scripts, is a shortcut to open a Jupyter Notebook on a specified folder from an file on the Desktop called ipython.sh. The content of ipython.sh is: #!/bin/bash cd ~ ...
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0answers
14 views

Send mail with php and postfix - can send mail with php -a from terminal but not from web page

I have designed a simple contact form that sends an email to a gmail account. Currently if I run from a terminal (non-root user): ...$ php -a php > "me@gmail.com","test postfix php","this is a ...
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4answers
7k views

tftp error code 2 access violation (tftp not working)

System info: Linux ravi-Inspiron-N5010 3.13.0-46-generic #79-Ubuntu SMP Tue Mar 10 20:08:14 UTC 2015 i686 i686 i686 GNU/Linux root@ravi-Inspiron-N5010:/home/ravi/Desktop# lsb_release -a No LSB ...
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2answers
4k views

Create FTP users with limited access only to home directory Ubuntu 12.04

I'm having Ubuntu 12.04 server and I have installed VSFTPD service for FTP. I'm trying to create a FTP user who has access only to /var/www/ directory and all permissions for sub-directories. ...
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1answer
22 views

How to run the btsync service as the local user?

I just installed the new btsync package, per this blog post. All seems well, except I can't add any folders—the service is running under the newly-created btsync account. I need to find out how to run ...
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0answers
8 views

Ubiquity Do not create users

I create my own distro for school computer and everything is good but ubiquity installer not create user I try to edit casper.conf file and lightdm but it doesn't help me Maybe my live user is ...
0
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1answer
28 views

Determining which account failed to write to a folder

I'm trying to start Jenkins hosted through Tomcat7. The JENKINS_HOME variable is pointing to /opt/jenkins. The problem I'm having is this: when I try to start the webapp, it fails if tomcat7 is not ...
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4answers
37k views

Permissions of mounted cifs share (Shared from FreeNAS)

I have a FreeNAS installation running under VirtualBox. When I try to mount one of my FreeNAS shares in Ubuntu 12.10, permissions on the share prevent me from entering the directory, listing or ...
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1answer
22 views

Adding users and giving special permissions

I have tried different things with chmod and adduser commands but it will take too much time for me to do this. Here is what I try to do: Lets say I will add 3 users to my system. Each user can read ...
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1answer
815 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
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1answer
17 views

Readonly /dev/loop

I am mounting an iso file downloaded from CentOS website using below command as root mount -t iso9660 -o loop /root/Centos7ISO/CentOS-7-x86_64-Everything-1511.iso /mnt/CentOS7/ But it throws ...
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0answers
32 views

USB disk/flash drive permission

I'm running ubuntu 14.04 and I have one standard account wherein USB storage devices (flash disk, external hard disk etc) are plugged in. In this scenario, the permission on the mount location ...
0
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1answer
171 views

permission error in virtual machine manager

i am trying to install win8.1 as a guest on my Ubuntu 14.04 using kvm and virt manager. when i choose path of ISO file in virt manager, it prompt this error: "The emulator may not have search ...
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7 views

Ubuntu 16.04 needs reboot to apply group permissions recently granted to a user [duplicate]

After changing /var/www owner and group to www-data and permissions to 750 (drwxr-x---), I have tried to add the current user to the group www-data by using $ sudo usermod -a -G www-data username. ...
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1answer
345 views

How can I execute scripts as root without pointing to its location?

I tend to use sudo arp-scan --localnet --interface wlan0 a lot, but I find it cumbersome to type this each time. To speed things up, I've created a script, called arp-lw-scan, which should do this for ...
0
votes
1answer
31 views

Run computer as root without terminal [duplicate]

I have a lamp project and I can't move my project in the file I'm supposed to move unless I do it from terminal as root, and then it doesn't let me open the project and change it, I have a lots of ...
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0answers
14 views

Ubiquity not create user

I create my own distro for school computer and everything is good but ubiquity installer not create user :/ I try to edit casper.conf file and lightdm but it doesn't help me ;/ Maybe my live user is ...
1
vote
1answer
50 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 ...
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0answers
14 views

Apache2 url not found

I have been having trouble recently with setting up files for others to download like when you go to www.website.com/downloads/download.exe. I want it to ask " if you want to download the file" right ...
0
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1answer
26 views

Vsftpd - different r/w permissions to one folder for different group of virtual users

I have configured Vsftpd on Ubuntu 16.04. Everything works fine, but I need one more thing. Let's say I have: folder /var/www/folder1/uploads Virtual users: admin1, admin2, admin3, customer I use ...
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0answers
17 views

mysql and phpmyadmin File Permissions at home

1-answer by me below 14.04 - mysql (community vers): What is best practice for dealing with user names and file permissions on a home (dev) Ubuntu Linux box? There are no users named mysql or ...
0
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1answer
33 views

unable to access cifs network shared drive via fstab entry despite having administrator rights

Good afternoon- I am new to Linux and am attempting to mount a network shared drive with fstab entry but continue to receive a dialog stating "only system administrators have the permission to do ...
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1answer
20 views

locked workstation

I cannot login to my system. Ubuntu 16.04 LTS on ASUS X58L notebook. I left the workstation in suspend mode. My kids entered wrong passwords several times. they just typed characters and then hit ...
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0answers
47 views

Directory Permissions

I have the following directory structure: rodrigo@LabGeM:/home/labgem/renameSeq$ ls -al total 1484 drwxrwxrwx 3 root root 4096 Mai 16 08:47 . drwxr-xr-x 31 labgem labgem 4096 Mai 16 09:07 ...
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2answers
55 views

Can't compile programs on flash drive

I have mounted my flash drive to a new mount point inside my home folder. However, when I still try to compile my .cpp file, it tells me permission denied. How can I fix this? 1) In GParted, my flash ...
0
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0answers
11 views

key-mon and getting it to work in ubuntu 16.04

I'm using ubuntu 16.04 64bit and notice key-mon (app that shows what keys are pressed and mouse clicks for recording presentations) gets an error. The files are created in the tmp directory but it ...
0
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1answer
31 views

sed: no input file / permission denied

I get a weird error when I run 2 almost identical scripts and I don't get the difference. When I run this script things go well: #!/bin/bash sed -i 's/^\(\s*\)sudo\s*/\1/g' ...
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0answers
20 views

User cannot edit files in a directory even though the user belongs to a group with write permissions?

I have an Apache2 installation. I have a folder on my desktop that I would like to use as the root directory rather than the default location. I have confirmed that Apache is using the www-data user ...
2
votes
1answer
37 views

Mounting Flash Drive to Compile C++ Programs

I am very new to Linux, and thus have very noob questions. I currently have Ubuntu 14.04 LTS installed on my hard disk. However, my biggest issue is with flash drives. I have all of my .cpp files on ...
10
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7answers
20k views

How do I set up a folder so that anything created in it inherits permissions?

I have a /data folder (actually a partition) for all data that should be accessible by all users (in this case family members). We all have individual user accounts and are often all logged in at any ...
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2answers
35 views

Definitive permission to folder

I'm giving full permission in a folder using chmod: chmod 777 /srv/folder Inside this folder many other folders and files will be created. My problem is that the full permission does no apply to ...
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0answers
20 views

How do I make games 'public' in Ubuntu Server?

I'm fairly new. I thought I'd mess with paths and permissions and so forth by doing something pretty straightforward. I have the Infocom z-machine interpreter frotz installed and working. z-machine ...