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

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How to allow other users to access a mounted NTFS partition with a UserMapping file?

I can't get users other than me or root to access the files on a mounted NTFS partition. The answers I've found to similar questions usually mention to set the uid and gid options. In my situation I ...
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2answers
37 views

Is it possible to change user while logged in as guest?

before my first few questions, let me begin with a background story(tl;dr below): So, I'm setting up some new computers at my workplace for public access and I had the bright idea(and I still think ...
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1answer
9 views

Cannot read/write files from ubuntu hard drive plugged into another computer

Recently I tried to install the fglrx (AMD) graphics driver on my computer running Ubuntu 14.10. Long story short, it didn't work, and I messed up my computer pretty badly. Then I fixed it, and tried ...
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3answers
323 views

chown - Difference between user and user:user

What is the difference between: sudo chown $USER:$USER and sudo chown $USER Why is it 2 times? Is the one user wrong? When I look at permissions with namei -l, I often see things like root root ...
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2answers
30 views

Sublime Text 3 authentication question when saving document

I am using Sublime Text for web developement. Every time I try to save changes (Ctrl+S), the authentication window pops up: Authentication is needed to run '/bin/cp' as the super user Obviously, ...
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12 views

How do I make myself admin? [duplicate]

My dad made himself admin, and locked me out when he gave me this computer about 5 years ago (running Ubuntu 12.04, can't update). He no longer has his sudo password, and now I can't install new ...
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1answer
25 views

Can't access a partition I've created

I've spent 4 hrs going through all the relative forum q&a's and I still cant fix my problem. I am very much a newbie I've created a partition /dev/sda2/ at /mnt/sda2/. Its an ext4 partition and ...
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1answer
75 views

Passwordless ssh error

I am trying to enable passwordless ssh for Hadoop 2.6.0. The method I tried is as follows: ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys I also ...
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19 views

Admin password recovery [duplicate]

I can not recover the admin password have tried all the steps, included in the blog by they all do not work keeps putting up password augmentation, password unchanged.
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2answers
11 views

Permission denied error during “hadoop namenode -format” command

I am trying to install single node hadoop cluster using this tutorial. I followed all the steps as mentioned the above link says but I am not able to format the namenode using command hadoop namenode ...
0
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1answer
10 views

Allow users in the “exampleuser” group to run su -c exampleuser

I want to modify sudoers so that users in the group www-data can switch to the user www-data without a password. I know it is possible, but I don't want to break my system. Here's what I have so far: ...
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1answer
18 views

Problems with permissions with squid3

I have been trying to get squid to work. I have a configuration for the cache to be created in the directory /var/cache/squid3/. However, I get this error when running squid with the "-z" tag (It is ...
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2answers
40 views

Problems with accessing applications under /var/www

I have Ubuntu 14.04 installed. The DocumentRoot is /var/www/html When I type in my url address, it works fine: My test file shows up. When I try an application I installed under /app1 and /app2, ...
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0answers
22 views

How to whitelist commands to certain users in Ubuntu

I have heard that there is a way to whitelist certain commands to users in Ubuntu. Such as allowing a user to run rm but not rm -r or rm -f. Hope someone can help.
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1answer
27 views

Change Folder/File Permissions for HIDDEN Subdirectories

This question is very similar to Change Folder & File Permissions for all Subdirectories , which worked for me completely when the folders weren't hidden. However, I have a hidden folder (call it ...
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0answers
20 views

how can I link virtualhost to /root/myfolder

I have change /var/www/html to /root/myfolder in /etc/apache2/sites-available/000-default.conf. But when I try to access website I get "forbidden" error. I tried adding permissions to /root/myfolder ...
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0answers
42 views

How to add flags and/or arguments to a command in the 'sudoers' file

How would I add flags and/or arguments to allow users in the sudoers file to run certain parts of commands, such as only allowing a user to run sudo rm and not sudo rm -rf? I am using 14.04. # # ...
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2answers
695 views

What is the Ubuntu equivalent of OSX `chmod -h` flag?

In OSX I can set the permissions of the symlink itself (instead of the thing it points to using the -h). From the man page: -h If the file is a symbolic link, change the mode of the link itself ...
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1answer
26 views

Restore permission default of /usr folder [duplicate]

I ran a stupid command: sudo chown -R ngoclb:ngoclb /usr. Then I couldn't use sudo command and login to Ubuntu. To fix this issue, I using recovery mode to chown /usr to root (sudo chown -R root:root ...
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1answer
24 views

How to add directory bookmark when the parent directory is not readable?

In file dialogs and file managers, it's possible to add bookmarks representing directories, used similar to other "places". To add a bookmark for a directory, I have to enter the parent directory and ...
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1answer
21 views

Any way to force files to inherit owner permissions from parent directory?

Is there any way to force a file, created within a directory, to inherit ownership from the parent directory? I tried the sticky bit, but that doesn't seem to work. Example of what I'm looking for: ...
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2answers
87 views

Certain commands not working for a user with sudo after adding to `sudoers` file

I cannot seem to allow the user (In this case Ruby) to run sudo rm -rf, sudo rmdir, or sudo mkdir. I have tried it with other commands and it works fine allowing that user to run sudo apt-get update ...
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1answer
40 views

After Permission & Ownership Changes system starts giving me errors

All problems started when I changed ownership and permission with gksu nautilus from the ETC and SBIN folder after realizing what I have done I followed some online threads I've put back chmod and ...
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1answer
24 views

Creating a 'public' group for accessing programs throughout the OS

You see, I have xampp, Android SDK installed in /opt/ directory as root. Now, the problem is, this machine is being used by 2 people (my sister and me) and even she uses them both. The problem arises ...
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0answers
22 views

CIFS client behaving as root on server

I have a CIFS client w/a regular user. I have a SAMBA server where the only user is root. I want the user on the client system to be able to access the files on the remote server as root. So far I ...
0
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1answer
29 views

Permission denied for shared drive

Fairly new to Ubuntu; I'm trying to share a drive containing video files on my tower with two laptops, all running 14.04. When I go into the network and try to open the drive, I get the following: ...
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2answers
31 views

How to move files on Computer freely? [duplicate]

so I'm new to Ubuntu and I get frustrated everytime I need to move/delete/rename files on the computer drive I need to go through the terminal and go 'sudo ... ' .. is there a easier way to do it ...
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0answers
24 views

Can't change folder permissions using `ispconfig` [closed]

How can I change the permissions for all my folders . Note: I have root access to my server. P.S. "Opération non permise" = "Operation not permitted" lsb_release --short --codename&&uname ...
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0answers
14 views

Regarding user permissions

i want to create user with limited user user permissions like USB port allows only printers and browser allows only specific site like that.please provide me solution for this.
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20 views

Ubuntu admin user privileges error

When trying to change settings in the network toolbar dropdown, I get this error: Connection activation failed (32) Not authorized to control networking.` When trying to mount a USB drive: Unable ...
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4answers
410 views

Is it OK to mount a partition to /home/

My office system's HDD capacity was 500 GB, but the usable space was only around 100 GB. When I analysed disk I found that some of the space was used by boot and swap and the rest was used by an empty ...
3
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1answer
47 views

Suddenly can't run sudo

I didn't do anything on the computer except Internet for a few days and suddenly when I tried to do: $ sudo apt-get update I got: sudo: effective uid is not 0, is /usr/bin/sudo on a file system ...
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1answer
59 views

How to create a SFTP (SSH) User with extremely limited permissions

i run a server on Ubuntu Server 14.04. I want to create a user that is able to connect via sftp, download 1 file and terminate the connection. The user should not be able to do ANYTHING else. Browsing ...
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3answers
215 views

What does `pbrun -u [username] dap' do?

What does pbrun -u [username] dap do? I tried to search for the dap option, but not sure exactly what this dap stand for and its functionality.
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0answers
37 views

How do I get write access to my external hard drive?

I have recently formatted an external hard drive for use with Ubuntu 14.04 using GParted. I formatted the drive to Ext4, and everything seemed to work until I tried to copy files to the drive, at ...
3
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1answer
35 views

Permission denied (failed to create pid) when starting SphinxSearch

When I try to start the SphinxSearch service like this /etc/init.d/sphinxsearch start or this sudo /etc/init.d/sphinxsearch start I get the following error Starting sphinxsearch: Sphinx ...
0
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1answer
19 views

Permissions when installing brackets.io

I recently installed the brackets editor and was wondering what the best approach to handling the file permissions is. I tend to edit php/html files that are located in my /var/www/html and I'm ...
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votes
1answer
30 views

MATLAB R2014a permission denied problem

i have installed matlab r2014a on my pc, it was all ok during installation, but at the end when i try to lunch the programm without sudo permission i have this error message: ...
0
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1answer
25 views

Execute scripts and Java programs from apache/PHP

I'm trying to allow apache and PHP to execute a script I have written that is located in /usr/local/lib the script in question is called "pathy" has been added to the path in my .profile, and I can ...
4
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2answers
22 views

“Find” Permission Denied

I am a new user of Ubuntu and I was trying to find my xorg.conf. I used find / -name xorg.conf but it says "permission denied" like in this image. What can I do to get the permission? ...
1
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1answer
49 views

Why do I not have permission to access my usb device, wihch is in /dev/ttyUSB0, even though I am in dialout?

Ubuntu 14.04 problem: It seems I do not have permission to access ttyUSB0, though I am already in the dialout group.(and logged out and back in) Heres some things I have run: ammirato@bvision4:/dev$ ...
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0answers
32 views

Permission denied trying to setup postgres sql

I'm trying to setup Dspace for a uni job here, but this Protgres SQL is asking for a password (For the postgres user) but it's supposed to be indent, I have no idea what's going on. So, When I try to ...
2
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0answers
38 views

Default permission for /opt/lampp folder

I want to know correct permission or default permission for /opt/lampp folder. By mistake I have given command sudo chmod 777 -R /opt/lampp. Therefore I am getting error. MySQL said: Documentation ...
0
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1answer
21 views

pulseaudio not running on nonstandard /home 14.04.1 LTS permissions errors

The issue that I am having with pulseaudio seems to be slightly different than I have been able to find, but I think I have an idea how to fix it. I have a dual boot Win7/Ubuntu laptop, HP ProBook ...
1
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1answer
19 views

550 Denied Proftpd User

When I create a directory from Php Script I have: drwxr-sr-x 3 www-data www-data 4096 May 14 18:52 folder Here Users: User: www-data root@101:/mnt/storage_01# groups www-data www-data : www-data ...
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1answer
25 views

Do Not Have Permission to a Internal HardDrive

So, I had an admin account on my computer. I created another one from it named Rahul Holani, and I later changed it to RahulHolani. I deleted the previous user and began working on the new one. Later ...
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2answers
18 views

More user with admin rights to work on the ubuntu server

I have an ubuntu server. On this server runs an apache2 with php and MySQL. I am the admin of this server but I have a person, who is the admin of the apache2-server. I know, that you can't create a ...
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0answers
14 views

mkdir in Matlab on sshfs mounted network drive permission denied

I'm trying to make and remove some files and folders as part of a MatLab script I'm developing under Xubuntu 15.04. The script as well as the files and folders are on an sshfs mounted network drive. ...
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0answers
24 views

File permission reset after reboot with Lubuntu/PCmanFM

I am changing file permission with chmod a+w /var/run/btsync.debconf-default.pid and it works. After a reboot i get: service btsync start * Autostarting btsync instance 'debconf-default' ...
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1answer
35 views

No systemd rc file?

With upstart, I used to have the permissions of some files set at boot time via a shell script in /etc/init.d/ (sym-linked, from /etc/rc2.d/): link="/sys/class/backlight/intel_backlight" chgrp ...