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

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9 views

ACL issue. Not getting correct mask

I got a problem with my ACL rules. The mask is not being followed, even though its defaulted to rwx root@WinterFell:/mnt/backup/test# getfacl ./ # file: . # owner: root # group: root user::rwx group::...
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1answer
39 views

How to run a sleepy process in Ubuntu

I need to change the state of group of processes from sleep (S) to run (R), is there any command to perform this quickly and note that I have their PIDs.
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1answer
30 views

Changing default 403 forbidden message

I'm using Virtualmin as the control panel for my ubuntu server. Every time i create a new virtual server, when i visit the site it says Forbidden You don't have permission to access / on this server....
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18 views

Retry 0: Got TIMEOUT while uploading sketch to Intel Galileo Gen 2 in Ubuntu 16.04

I'm trying to upload a sketch to my Intel Galileo Gen 2 board using Arduino IDE. Everything was working fine until today I started getting the error saying /dev/ttyACM0: Permission deniedwhich I ...
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1answer
24 views

Shell Script Won't Run

Newbie. I am trying to install BeautifulSoup4. There is a shell script "convert-py3k" to run, to convert to Python 3 version. It has an executable permission but, neither double clicking nor, ...
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11 views

shared folder no access permission denied

ubuntu 14.04 64bit on computer A and B. Lan crossover cable connected. Made manual ip address settings. Disabled firewalls. Wired connection works. I have read posts also here. It will not work. ...
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63 views

Can't login to Ubuntu 15.10/16.04 after update from 14.04

So I had a problem with Ubuntu 14.04 (I made a question about it), and to solve it, I just upgraded my ubuntu version to 16.04 using partitions; I saved my /home file and erased the rest. The problem ...
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1answer
24 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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15 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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15 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 ...
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1answer
33 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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20 views

Just fails on chown command, anyway to fix? [duplicate]

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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26 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
112 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 following:...
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31 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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22 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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18 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
34 views

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

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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2answers
29 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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2answers
44 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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25 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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108 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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13 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 ...
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2answers
217 views
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1answer
28 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
23 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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1answer
27 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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1answer
36 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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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
38 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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17 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 ...
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37 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 (/media/...
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1answer
52 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 this....
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1answer
23 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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22 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 ...
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1answer
68 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' /home/d/Desktop/Sandberg/...
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23 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 ...
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1answer
45 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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2answers
61 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 ...
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1answer
49 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 ...
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31 views

Adding SSH to new user: Jailed (chrooted) SFTP user can authenticate, but is immediately exited [duplicate]

I'm having trouble creating a new user with some key permissions. I want this new user to do the following with "everything else" locked down: SSH tunnel to port 5432 (postgres) SFTP jailed to the ...
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19 views

Cant open pavucontrol

I just installed pavucontrol and cant open it. I get this Error whenever I open pavucontrol. When I tried to open it by sudo pavucontrol I get this error => altair@Aiden:~$ sudo pavucontrol Home ...
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3answers
154 views

FTP account for just one directory

Background information: I'm using Serverpilot to manage my Ubuntu server which doesn't provide any FTP service. There is a user: serverpilot With the home directory: /srv/users/serverpilot/ And ...
1
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1answer
61 views

Can't give write permissions to /root?

I am trying, and failing, to give the user jenkins write access to /root. Firstly: Yes, this is not something you would normally recommend doing. But for some reason Jenkins is insisting on writing ...
1
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1answer
39 views

what is dialout group in ubuntu?

what is dialout group in ubuntu?what permissions do the memberships of this group have?I read about it that memberships can access to the serial devices. what are serial devices? thank you for your ...
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16 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 ...
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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 ...
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22 views

mysql and phpmyadmin File Permissions at home

14.04, Apache2 mysql php5.5.9: Can someone recommend a tutorial on usernames and file permissions for home, remote sandbox, and production servers for website development, or where can I find a ...
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1answer
36 views

Permissions to copy denied

I am unable to copy onto external device despite going into Dolphin in root. The permissions are denied and will not change. I have upgraded in Synaptic also. I get this message in root and would be ...
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15 views

Permissions in VSFPTd

I am trying to setup a VSFTPd Server on Ubuntu where I have multiple directories in a structure as follows: <ftp_root> |-> topic1 |-> user1 |-> user2 |-> topic2 ...