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

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4
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1answer
3k views

Configure vsftpd to chown uploaded files

I have vsftpd up and running on my Ubuntu server. This is a development server and I want to be able to FTP my code directly to the directory which Apache is serving out. As most of you know, ...
8
votes
2answers
10k views

Why doesn't chmod work on a file under /media?

I want to execute a script file from terminal but it shows error root@silambarasan-PC:/media/D-DEVELOPME/androidSdk/adt-bundle-linux-x86/sdk/tools# ./android -bash: ./android: Permission denied` so ...
1
vote
1answer
308 views

Why Ubuntu ask me for for root password while upgrading?

I frequently upgrade the desktop of my daughter (using ubuntu 12.04.1) through the official processes,but in the latest attempt the computer is asking for a root (or super user) password. In the past ...
1
vote
1answer
3k views

Ubuntu 12.04: Problem editing file in recovery mode using the shell

I'm pretty new to ubuntu/linux and I guess I messed up my /etc/fstab file. Ubuntu (12.04) won't boot anymore. I've found some tips on the internet on how to fix this, but I didn't manage to get them ...
1
vote
2answers
4k views

How can I get access to the folder that I've copied to /opt?

I've just copied a folder named journey to the /opt directory of home folder using the following command: sudo cp -r '/media/B60EB9810EB93B67/xampp/htdocs/journey/' '/opt/lampp/htdocs' Now I can't ...
1
vote
1answer
1k views

fstab. allow 2 users mount NTFS with passwd. Deny other users. possible?

i've seen this answer, but it requires the partition to always be mounted (and do the user access via group perms on the root FS that mounted the NTFS) What i'm hopping to be possible, is to allow ...
3
votes
1answer
528 views

Finding all directories with a certain string then changing permissions

I'm trying to combine two things. I have to set permissions on a number of directories, all of which have "domain-" in their name. I wanted to "find all directories in the current directory that ...
1
vote
1answer
441 views

Problem understanding file permissions

I have a problem understanding some aspects of file permissions. The situation is this: I created a directory as /to using sudo and then changed it's permissions to drwxrwsr-x. I also changed the ...
0
votes
2answers
6k views

Why do I get “Authentication Failure”? [duplicate]

I recently installed Ubuntu 12.10. As i started the terminal and ran the command su which we usually use to perform root operations and to get the # symbol. After running the command it asks me to ...
1
vote
1answer
6k views

Can't copy/cut/paste into my external harddrive

I have a 1 TB external hard drive and I can't write anything on there. I have some movies on there and I can watch them perfectly fine but I can copy new files to there, it's just grayed out. I ...
0
votes
2answers
4k views

How to give a new user permissions to call sudo without a prompt for sudo password?

I am setting up a server in Amazon EC2. I created an image from Amazon's provided images of Ubuntu x64 12 LTS. My goal is to set up a secure svn server there, where access is only possible by IP ...
1
vote
3answers
8k views

How do I access the file system as a root or owner?

I need to add online store configuration files in file system var/www. but I can't access the file system, because it says that only owner can access it, the owner is root. So, how can I access those ...
-1
votes
1answer
68 views

Why can't I use a partition?

I converted one of my NTFS partitions to ext4 format with the GParted tool. Now, I can not copy, or create, any files on that partition.
1
vote
1answer
350 views

Most suitable permissions for mounted internal disk shared with Windows?

I've been using Ubuntu/Linux for a few years now but I'm still learning.. I've just updated to 12.10 after installing a Samsung 830 128GB SSD which has Windows and Ubuntu OS's dualboot on it. My old ...
2
votes
1answer
1k views

Unable to open Update manager or Ubuntu tweak

I cannot open Update manager and Ubuntu Tweak when I open Ubuntu tweak I get this log user@laptop:~$ ubuntu-tweak Traceback (most recent call last): File "/usr/bin/ubuntu-tweak", line 124, in ...
1
vote
2answers
974 views

Terminal command to clean tmp folder and set permission flags

Because of a low-graphics error I am not able to log into my system anymore. Well .. I am not seeing any graphical interface (solutions here How to fix "The system is running in low-graphics ...
0
votes
2answers
2k views

Permission denied for using some files or copying files to desktop

Sometimes ago i experienced couple of errors in my Ubuntu 12.10 and i was getting the permission denied error in a lot of Softwares. Finally i found the solution. I found out that a lot of the files ...
3
votes
1answer
6k views

How do I restore the default permission on a directory/folder?

I am using ubuntu 10.04,I need to give execute permission in www folder.But by mistake i gave execute permission in whole var folder.sudo chmod -R 777 /varThen i try to change it into normal ...
9
votes
2answers
33k views

How could I mount an ext4 partition and have write permission?

I've set the /etc/fstab file so that I can mount an ext4 partition on startup and I did it with the following options : rw, auto, nouser, exec, sync. The problem is that I can't create or delete any ...
1
vote
1answer
390 views

How to set permissions to use jpilot and synchronize?

The information and manuals are so bad that I had to discover that I need to sudo to execute pilot-xfer -p usb: -r <directory> successfully in order to restore a Palm handheld connected to a ...
2
votes
2answers
2k views

Configuring mongo DB to work with NTFS drive

I have 120 GB SSD Drive with two partitions (NTFS with Windows and ext4 with Ubintu) and 2TB NTFS HDD shared between Windows and Ubuntu. I configured my HDD to be properly mounted on system boot: # ...
2
votes
2answers
3k views

Why can't I change some file permissions?

I use Ubuntu 12.10 and whenever I click on .tex file it says it is an executable file. I wanted to remove this and tried gksu nautilus, but I can't tick off the permission. When I try to remove the ...
2
votes
0answers
529 views

Why am I asked for the “password for root” when upgrading packages?

I have a fresh install of Ubuntu 12.04. I installed with one user account, then added a second user account using the GUI dialog box method, making myself an Administrator type. I now use the second ...
6
votes
2answers
42k views

Mount USB drive with write permissions for everyone or specific user

I know there are similar questions but I get some specific problem I can't overcome. I have: HDD split into two partitions. /dev/sdb1 and /dev/sdb2. sdb1 is NTFS and I don't need it. I need sdb2 ...
2
votes
0answers
167 views

Lost Permission of Home Directory

I recently messed up my Ubuntu Setup, so I re-installed and choose to use my existing Home directory . Now I cannot launch Ubuntu-Tweak as myself, but am able to do so with sudo command. Any help ...
0
votes
1answer
2k views

Change WebDav permissions for creating files and folders

Files and folders created through webdav are assigned www-data.www-data and permission 740. I've already added my user to the www-data group, but I'd like to change the permission to 770, so I can ...
2
votes
1answer
1k views

Script to change permission on content, and move files to other folder

I have a program that downloads some files. I want those files to automatically change permissions to 755, and get moved to another folder on my system. I want this to autorun every hour. Is this ...
0
votes
1answer
672 views

Mac - Install from USB - Permission denied

I'm following the official instructions for burning an Ubuntu image on a USB stick from a macbook pro. Step 8 when trying $ sudo dd if=/path/to/downloaded.img of=/dev/rdisk1 bs=1m I'm getting ...
3
votes
0answers
131 views

Does enabling ACLs have an effect on performance?

I'm looking at a web application that needs ACLs enabled. Are there any benchmarks or other documents to show what potential impact ACL does{n't} have when the file system is under heavy load? Also, ...
1
vote
1answer
3k views

Ubuntu permissions to open files

My Macbook Pro hard drive is not working and I don't have a backup cd. I installed Ubuntu to see if I could access my files. I can see the folders but when I attempt to open them, I get a message that ...
1
vote
0answers
31 views

how do i gain acceess to a drive that owned by deleted user on ubuntu 11.10?

I did some trial on command line and creating a user account from it, then I logged off and logging to that newly created account (let us call it newaccount). Then I mounted one of my drive (I named ...
0
votes
1answer
558 views

How can I change folder permissions in a luks encrypted partition

I have a folder in a luks encrypted partition /media/user/luks-partition/folder on Ubuntu 12.10. I am not able to change folder's permissions. I tried using the nautilus gui and chroot both as ...
1
vote
1answer
209 views

Changed Permissions, Now Cannot see contents of Drive

I was having problems reading all files on an extra hard drive so I attempted to "fix" this with these commands as root: chown dave:dave /media/250GB chmod 644 * /media/250GB I'm now unable to see ...
9
votes
4answers
23k views

Automounted USB devices are read only

Since I upgraded to Ubuntu 12.10 the automout of USB devices does not work as expected. When I plug in a storage device it is recognized correctly but I do not have write privileges on it. I thought, ...
0
votes
1answer
1k views

java exception: No such file or directory

I am trying to run a GATE application via jetty web application server in Ubuntu. I am getting java.io.IOException: error=2, No such file or directory because of a particular GATE plugin ...
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 ...
2
votes
1answer
8k views

How to mount disc with exec permissions

I have a storage drive I normally mount just clicking on the disc in the file browser. However, I want to be able to run some bash scripts from that drive. When I try ./script.sh I get Permission ...
0
votes
1answer
770 views

12.10 403 Forbidden SymLink

I am trying to set up a simple development environment and even after setting all the permissions, I can't get past the 403 error <VirtualHost *:80> ServerAdmin webmaster@localhost ...
1
vote
1answer
11k views

Give access to a specific user to a specific folder within a group? [Terminal]

I have created a file, admin, that I want to assign to a group, admingroup, and later on give a specific user, adminuser, exclusive access to that file but I have no idea how.
8
votes
1answer
3k views

How to get permissions to execute programs from NTFS hard drive?

I have this problem: I'm used to compile and run .c files with CodeBlocks. If I do that from my Desktop (ext4 partition) it works without problems, but doing this from my secondary hard drive (NTFS ...
0
votes
1answer
299 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 ...
5
votes
3answers
5k views

Remove sudo password when connecting to *new* WiFi network

So currently when my non-admin user tries to connect to a new WiFi network (e.g. at a cafe say) NetworkManager prompts for the admin user's password. Is there a way to turn this off and to allow the ...
14
votes
2answers
34k views

How do I give www-data user to a folder in my home folder?

I have a folder: /home/myuser/folderA I want to give www-data user write access to the above, while 'myuser' continues to have normal access (as it is myuser's home folder anyway). Which commands do ...
8
votes
2answers
8k views

Why do question mark characters appear when changing the permissions of directory?

I am trying to change permissions of a folder temporarily whose initial permissions are user@ubuntu:/var/log$ ls -l squid* squid3: total 4 -rw-r----- 1 proxy proxy 0 Jan 16 14:43 access.log ...
0
votes
1answer
398 views

How do I get and keep access to encrypted home dir on an external drive?

I have a clean new install of 12.04 on my internal drive. On my external drive I have everything that used to be on this drive. The file I'm concerned with right now is my old home folder from ...
2
votes
1answer
6k views

chmod and chown a remote NTFS filesystem both fail

Our Ubuntu Server 12.04 system has a remote NTFS filesystem mounted via Samba at /media/blarg. One of our users had problems writing to the remote system, but not reading from it. Since the ...
1
vote
1answer
309 views

Nautilus plugin to chmod

Some time ago (around Ubuntu 8.04) there was a plugin to Nautilus to change permissions tab in file properties window. It was showing permissions as checkboxes for R/W/X for user/group/others. I can't ...
0
votes
2answers
303 views

Cannot update/edit any file

Hello friends I cannot update any file under the file system. It says you do not have permissions. I tried to edit files using gedit but it gives me this error... How can I update files in the file ...
0
votes
2answers
101 views

Allow creating directories from applications

I just started using Ubuntu a week ago. I noticed that applications don't have permissions to create directories. E.g. I can't create a new directory from my LibreOffice Writer save as dialog. Can I ...
1
vote
1answer
879 views

Why can't I delete a file even though I have write permissions?

The shell session should say everything: I can't delete a file (movie.avi) although I have write permissions. I don't get what the problem is. Have I missed something? confus@homeserver:/home/narur$ ...