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

learn more… | top users | synonyms (2)

0
votes
1answer
14 views

Converting .pcap files to .txt using tshark

I am trying to convert my .pcap packet capture files generated by tcpdump into a text format. I am getting a permission error whenever I try to convert the .pcap file or even just port ">" the stdout ...
-2
votes
1answer
13 views

Applications not running under root

Why are there applications which don't allow you to run them as root user? For instance, you can't run steam as root.
1
vote
0answers
6 views

Pronterface will not connect to 3D printer

When I click connect in Pronterface for it to connect to my 3D Printer (a Rigidbot) I get this error message: stty: /dev/ttyACM0: Permission denied [ERROR] Could not connect to /dev/ttyACM0 at ...
1
vote
4answers
142 views

Make owner of newly create files AND folders www-data instead of superuser/admin

I've been struggling with permissions so far, and posted another question but identified what the problem was, without any way to fix it yet. My setup: Ubuntu Desktop with LAMP stack 5 "users" I ...
0
votes
0answers
16 views

Setting all files and folders that will be created in a certain directory to have read and write access by 'Others'

I've recently switched my uTorrent on Windows 7 torrent download/seeding machine to a Deluge on Xubuntu machine with Samba (to allow sharing with Windows PCs). I am using Nautilus as my file manager ...
0
votes
0answers
31 views

Setting Permissions for /var/www on a local server running Ubuntu Desktop to share writing privileges with other computers on the local network

I've been struggling like hell for 3 days now, can't figure what I did wrong... EDIT 3: I think my question is more specific than I thought, so I have a new thread here: Make owner of newly create ...
0
votes
0answers
25 views

Permanently change permissions of /var/run/postgresql [on hold]

On Linux Mint 17.0 Cinnamon Edition, I want to use /var/run/postgresql as the unix_socket_directories option for all of my postgres databases. Whenever I run the command pg_ctl -D postgres-data -o ...
1
vote
0answers
22 views

How do I get Super User access in guest

I have recently installed Ubuntu via Wubi Installer. The dual-boot works fine but when I can't login as Admin, it only allows me to enter via "Guest". To do any administrative activities such setting ...
0
votes
0answers
26 views

Can't install anything “Do not have permission”

Hey guys any time I try to install something it just says do not have permission, I just finished installing ubuntu and don’t know what happened. org.freedesktop.PolicyKit.Error.NotAuthorized: ...
2
votes
1answer
16 views

How do I allow ImageJ to update its ij.jar file stored in /usr/share/java?

I am wondering if there is a safe and easy way to allow ImageJ to update itself by allowing it to replace its ij.jar file with a new one in /usr/share/java? Right now, an error message says "No Write ...
1
vote
0answers
19 views

Folders, shares and permissions

I want to organise my home network for my family, so: kids get their own login (probably on a Windows machine). Kids get read/write access to their own folder. Kids get read-only access to a folder ...
0
votes
0answers
16 views

CIFS: “permission denied” but (empty) file created?

From /etc/fstab: //fileserver/share /home/share cifs credentials=/etc/smb.credentials 0 0 Share exists and is successfully mounted (by the root process). Writing to the share under Windows works ...
0
votes
1answer
17 views

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 ...
1
vote
2answers
42 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 ...
0
votes
1answer
13 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 ...
2
votes
3answers
335 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 ...
0
votes
2answers
40 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, ...
0
votes
0answers
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 ...
0
votes
1answer
26 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 ...
1
vote
1answer
79 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 ...
0
votes
0answers
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.
0
votes
2answers
13 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
votes
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: ...
0
votes
1answer
40 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 ...
0
votes
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, ...
0
votes
0answers
23 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.
2
votes
1answer
29 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 ...
0
votes
0answers
21 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 ...
2
votes
0answers
43 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. # # ...
12
votes
2answers
707 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 ...
0
votes
1answer
28 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 ...
0
votes
1answer
26 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 ...
1
vote
1answer
24 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: ...
3
votes
2answers
94 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 ...
1
vote
1answer
41 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 ...
1
vote
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 ...
0
votes
1answer
26 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
votes
1answer
31 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: ...
-1
votes
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 ...
1
vote
0answers
26 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 ...
-1
votes
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.
0
votes
0answers
22 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 ...
4
votes
4answers
415 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
votes
1answer
49 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 ...
1
vote
1answer
64 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 ...
2
votes
3answers
222 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.
1
vote
0answers
40 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
votes
1answer
46 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
votes
1answer
20 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 ...
-1
votes
1answer
35 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: ...