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

learn more… | top users | synonyms (2)

6
votes
1answer
2k views

How to repair/restore after 'sudo chmod / 777'? [duplicate]

Possible Duplicate: What if I accidently run command chmod I changed file permissions recursively on the root directory '/' with sudo chmod / 777 -R and after that i run "save mode" and i ...
5
votes
2answers
255 views

14.04 kate editor does not show any plugins (wrong config permission even after fresh install)

I got a strange problem with kate editor. For some reason, whenever I runs kate in normal mode (without sudo) then all kate plugins disappear. I could not see any Projects/FileSystemBrowser/Documents ...
5
votes
1answer
4k views

No Permissions for software center

I just installed Ubuntu 13.04 (coming from 11.04) today. And I can't use the Software Center from the Dash. When I start it from the dash, it always says that I don't have enough permissions to ...
5
votes
1answer
4k views

“Permission denied” error when editing /etc/ld.so.conf

When I run this command it fails: sudo echo '/usr/local/lib' >> /etc/ld.so.conf bash: /etc/ld.so.conf: Permission denied I don't have any problem running sudo for other tasks. I am using ...
5
votes
1answer
16k views

How can I give myself permission to edit files in /var/www without having to use the root account or sudo? [duplicate]

Possible Duplicate: How to avoid using sudo when working in /var/www? Permissions mystify me. I'm worried about compromising the security of my folder, too, since it's public.
5
votes
1answer
5k views

USB devices and Flash disks mount as root instead of the user

After reinstalling Ubuntu 12.04 I am facing a strange problem. Anytime I plug in a flash key, Kindle etc., I can see it, but can't write. Owner of the device on say /media/usb0 is root. When I try to ...
5
votes
2answers
537 views

How to prevent users from installing non-free software?

Is it possible to disable installation of non-free or proprietary softwares and applications in Ubuntu?
5
votes
2answers
3k views

Default groups for user in Ubuntu 11.04?

I accidentally removed my user from some groups yesterday because of some virtualbox issues and today I couldn't use sudo to do anything and had to use a livecd to edit sudoers. Anyway I want to edit ...
4
votes
2answers
94 views

Help me win this war!

History: The map: I have a dual-booted laptop, Windows 7 alongside Ubuntu 14.04. For Ubuntu, I have a separate partition, which stores my data. The enemy: sudo chown -R hadoopuser /, which literally ...
4
votes
1answer
151 views

Change default groups assigned to new users

When a new user is created, they are assigned to a set of default groups. How do I change which default groups are assigned?
4
votes
1answer
7k views

Setting up wireshark for non root user

I am setting up wireshark to run as non root user, a la here, that is: sudo apt-get install wireshark sudo dpkg-reconfigure wireshark-common sudo usermod -a -G wireshark $USER (restart) This is ...
4
votes
0answers
5k views

Bluetooth Permission Denied (13) error [closed]

After upgrade to Oneiric Ocelot, my Bluetooth is broken. It can recognize the device (my phone) and "Pair" with it (exchange passcodes) but when I try to Send Files to my phone it fails with ...
4
votes
3answers
757 views

How can I create a new user with the equivalent of a Windows guest-user's permissions?

Basically, I want the new user to have only a few permissions -- can't read the normal users' home directories, can only read or write files to one directory (can only read or write /home/user/... can ...
3
votes
2answers
47 views

Hide/Don't list non-readable folders

In a multi-user environment using Ubuntu server 14.04 as a shared drive All users connect via SFTP using Filezilla/WinSCP and are chroot to /home/company-folder/ Each user has also its own personal ...
3
votes
0answers
103 views

Firmware will not update

sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following packages will be upgraded: ...
3
votes
1answer
61 views

If I make a file executable on one system, will it remain so if I move it to another?

If make a file executable with chmod +x <file> , will the change be still applied even if I move the file onto another system? Would that apply even if I distributed the file to a wide number ...
3
votes
2answers
1k views

Root directory '/' locked after using chmod

I accidentally used sudo chmod 3 / which gives a execute and write permission to the root directory, while deleting the read permission. How can I recover from this, I cannot even use sudo now.
3
votes
1answer
12k views

Error : Cannot run C compiled programs. if you meant to cross compile use --host' Ubuntu

I'm completely new to Ubuntu I downloaded and unpacked a tar.gz package, after extraction, it is said in its documentation : "type ./configure --disable-gts" But when I run this command alone it ...
3
votes
2answers
300 views

Prevent user from viewing and editing /var/www folders

I need to be able to restrict a secondary user that I'm creating from even viewing /var/www as it contains some sensitive information in its PHP files. Currently, the user is able to view the files ...
3
votes
1answer
6k views

transmission-daemon: error loading working config-file. User priveliges?

Transmission-daemon has worked perfectly on a small headless server for a long time. However, it currently gives me the following error: transmission-daemon Error loading config file -- exiting. ...
3
votes
1answer
3k views

ubuntu 12.10 The location is not a folder [duplicate]

i just upgraded my Ubuntu to 12.10 and i noticed that i get this message The location is not a folder whenever i try to access a mounted media (USB or even my other partitions). I am now unable to ...
3
votes
1answer
5k views

Setting Default Permissions

I've read a lot of solutions for something like this, but nothing seems to work quite right for me. I have a shared development box used for a few projects that require such a thing and I'd like to ...
3
votes
1answer
1k views

Restrict access to my home folder from another standard user account

I have made a new user on my machine to be used by my family. But when I logged in to the family account which is not an administrative account, I could access my home folder(which is an ...
3
votes
2answers
3k views

How can I prevent users from accessing the root directory?

While still allowing my account to access the root directory. I've tried adding myself to the root group with $ sudo adduser myaccount root but when I do $ sudo chmod o-r /etc followed by $ cd /etc $ ...
3
votes
1answer
1k views

Gaining access to a folder which requires you to be the admin/owner?

Hey there, I'm trying to install a gedit plugin called zoom, and in order for it to be picked up by gedit it needs to be extracted in this folder /usr/lib/gedit-2/plugins. My problem is I can't ...
2
votes
1answer
134 views

Why does dpkg give a “Broken pipe” error while installing an update?

Below is the error message dpkg gives me while running updates: sudo apt-get upgrade dpkg: error processing archive /var/cache/apt/archives/linux-firmware_1.143.4_all.deb (--unpack): unable to ...
2
votes
1answer
64 views

Use common data folders for two users instead of separate ones

I have a 15.04 machine with basically 2 user accounts, an admin and a restricted user. What I want is that both of them have separate home directories (for system/application settings etc.), but use ...
2
votes
1answer
65 views

What is the expected behaviour for ecryptfs?

I am relatively new GNU/Linux user and currently use Xubuntu 14.04 LTS. I have my main user and I also enabled root account (but not used it and root password is setup). I am interested in ecryptfs ...
2
votes
3answers
4k 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 ...
2
votes
3answers
30k views

Forbidden You don't have permission to access /phpmyadmin on this server

I installed php, mysql, phpmyadmin on my Ubuntu 12.04 localhost in the following steps: I try these steps: sudo apt-get install apache2 sudo /etc/init.d/apache2 restart sudo apt-get install php5 ...
2
votes
1answer
225 views

Ubuntu no longer prompts for root privilege (but doesn't give it either)

So on 14.04 LTS I was playing around with some settings to solve another problem, and somehow managed to screw things up and now Ubuntu no longer asks for root privileges before trying to perform ...
2
votes
1answer
174 views

Icons appeared alone and I can't delete them

It's very strange, the computer freeze and I restart it. After the restart I saw 3 icons appeared on the desktop. I can't delete them! Right click - "Delete" is not active, as well as the keybord. ...
2
votes
1answer
1k views

Getting root permissions on a file inside of nano? [duplicate]

I have completely the same problem as the guy in this question. So basically I am using nano somefile.txt editing it and then permissions denied because I forgot to use sudo. The only difference from ...
2
votes
1answer
62 views

How can I list files that the current user can access?

For security auditing purposes I would like to go through my systems' users and make sure they don't have filesystem access to more than I'd prefer they did. I'd like something that outputs in the ls ...
2
votes
1answer
1k views

Can't change brcm_monitor0 in /proc

I am trying to change the value in the file /proc/brcm_monitor0 from 0 to 1. This file is used to set Broadcom wifi modules into monitor mode. The default method to do this is: sudo -s echo 1 > ...
2
votes
2answers
9k views

could not save the file /usr/… permission denied (13.04)

I am running Ubuntu 13.04 and am trying to create an .sh file for conky in /usr/bin using gedit. When trying to save I get the error dialogue: Could not save the file /usr/bin/conky-start.sh You do ...
2
votes
1answer
883 views

Should I install non-repository software as root or as my user?

What is the right way of installing programs that are not available in repositories: should my user own the binaries and keep them in ~/bin/, or should root own the binaries and keep them in, say, ...
2
votes
1answer
2k views

Can I have a user execute sudo commands without being an administrator? [duplicate]

Possible Duplicate: How do I add a user to the “sudo” group? I recently became a UNIX admin for some relatives, and they are quite far up the creek on how to use ubuntu. I know that one key ...
2
votes
2answers
3k views

How to edit lightdm to show “other user”?

I am an IT student aide at a college and we have a very small test computer that we started messing around on with 12.04 and used likewise to join it into the Windows network that we have. However, ...
2
votes
1answer
853 views

Permanently set file and folder permission for a user

I just got hold of a Linux machine running Ubuntu from my friend. It places 644 permission on all new files created by a user. But for some purposes I want 755 permission on all files and folder ...
2
votes
2answers
3k views

12.04 run from cd, cannot copy files from mounted disk

I am running 12.04 live from cd and trying to copy some important files from a mounted hard disk to an external disk. (My previous installation of 10.04 crashed and I want to install 12.04, and back ...
2
votes
1answer
1k views

Where did “Show_Advanced_Permissions” gconf-editor setting go?

I find the default display of "Permissions" in nautilus (when viewing properties of a folder/file) difficult to use. To solve this, I always used gconf-editor in 10.04 to change to the following: ...
1
vote
0answers
219 views

Samba authentication fails

I have been endlessly searching for what went wrong, and can't figure it out. There is a lot that I still don't understand about working with samba on Ubuntu, so if something looks noobish, I am ...
1
vote
1answer
169 views

Steam Library-Must be on a filesystem mounted with execute permissions

I've looked at various questions and threads and forums on this and nothing has worked. I've been trying to mount a HDD that I have my linux games installed to. This drive worked flawlessly in the ...
1
vote
1answer
30 views

How to keep users out of system files?

I'm trying to build a system that will be as idiot proof as possible. This will include keeping regular users out of system files to prevent them from rendering the system inoperable. And hopefully ...
1
vote
1answer
824 views

Error message “Unable to create a required folder. Please create the following folder, or set permissions such that it can be created”

I have created another user for hadoop and when I am trying to login to the new account it is giving me this error: Unable to create a required folder. Please create the following folder, or set ...
1
vote
1answer
261 views

Upstart for docker and setuid permissions

OK, this has kept me busy for a day at least, since last night. I am trying to do something very simple: run a bash script which creates a few folders and runs a docker container - but using upstart. ...
1
vote
1answer
666 views

Permission denied for “dd” of Android phone's file system connected over mtpfs in Ubunutu 14.0.4

I have connected my rooted Mi3 android phone to Ubuntu 14.0.4 using jmtpfs. I am using ~/Desktop/phone as my mount point. I am able to browse the Android device using Nautilus. Now I want to recover ...
1
vote
4answers
105 views

How do I change user ownership

I recently fat-fingered a permissions change in my /home/randy folder. When I check permissions by booting off a live session cd I see user is 1000. I can't gain access to it. Is all lost? Hey Guys, ...
1
vote
1answer
188 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 ...