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

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how to reset Ubuntu 12.04 root permissions? [duplicate]

I run this command "sudo chmod -R 777 /" by mistake. After restart, the OS became very wired, no internet access, many things doesn't work, can't open any software... is there any possible way to ...
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1answer
575 views

Not able to change permission of files/folder shared in samba [duplicate]

I am trying to change permission and change the group permission of the folders which are shared through SAMBA (Samba PDC). Commands are as follows: # chmod 766 /mnt/Format but nothing changed. ...
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1answer
163 views

how to set priviledge on port 21 ftp of a host

i have a linux hosting working with cakephp.some sites got intrusion/hacked.i used nmap to see the open ports. i found 21/tcp open ftp is the port which should be restricted and not accessible via ...
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3answers
5k views

Can't start an application as service, but running as standalone process simply works

For a service although a pid file exists but still on attempt to start service, it fails saying $ sudo service cassandra start * could not access pidfile for Cassandra I verified folder ...
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2answers
635 views

Permission denied - running script

I am new somewhat to scripting in Ubuntu and I have the following script which I am executing but getting back Permission Denied messages. Any help is greatly appreciated! Here's the sequence: The ...
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1answer
600 views

Permissions issue with netatalk

I set up an Ubuntu 12.04 server recently for my business, and we installed netatalk so we could share company files to our Mac computers. Here is the line we used in our AppleVolumes.default file: ...
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1answer
38 views

No keyboard response in applications due to permissions of /.config/ibus/bus

I was running into an error using the Android SDK-- the error message was: The owner of /home/[username]/.config/ibus/bus is not root! So, like a moron I did a sudo chown root:root /bus command. ...
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3answers
366 views

How to change the permission on a single file?

I need to change the permission on a couple of files in the /usr/share/backgrounds/. I've been lurking around forums but no one will give me a straight answer. Rather, they just keep warning me ...
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1answer
820 views

fusermount: mount failed: Permission denied

I'm trying to use google-drive-ocamlfuse to mount my Google Drive to an Ubuntu 13.04 VM I own on remote sever so I can copy some very large project-related files to my work computer. I've been ...
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1answer
644 views

Permission denied while installing matlab in ubuntu 12.04

I'm installing Matlab in Ubuntu 12.04 LTS by using terminal commands. As mentioned in installation guide I am entering the following command: /path_to_dvd/install & but when I enter the command ...
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3answers
61k views

What is the “t” letter in the output of “ls -ld /tmp”?

When running the command ls -ld /tmp, the output would be: drwxrwxrwt 30 root root 20480 Mar 11 14:17 /tmp So I have two main questions: What is the letter t after the permissions? As far as I ...
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336 views

How to allow writing locally on read-only NFS Partition

I created my own PXE/NFS network boot server on Ubuntu 12.04 as explained here. I can write to files on client side if I change /etc/exports file like this on server side: /srv/ubuntulivecd/ ...
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2answers
16k views

Permission on shared folder are correct but files can't be saved

I have a shared folder set up on an ubuntu machine. When someone connects to the folder and creates a file, the file permissions set the group to read/write. I can check the permission on Ubuntu or ...
3
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1answer
10k views

Autoclicker for Ubuntu

I've tried to search many places for an autoclicker I need one to use it in a game. And I found one here: From Murguu I downloaded it, but I have no idea how to install It states that it is for ...
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1answer
136 views

After mounting the ntfs partition, all files are readonly

I made the following changes in /etc/fstab, after doing this i cant create any files in any of the partitions and the existing files are readonly. Pls help me out. This is my /etc/fstab # ...
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1answer
201 views

How to change a drive's permissions if it's owned by root?

Earlier I was trying to install steam on my 32 Gb Flash Drive, because my hard drive is very small, but I couldn't because it was FAT formatted. So then I formatted it to EXT 4 using GParted, and when ...
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1answer
1k views

No permission to automount external HDD using ntfs-3g

I wanted to modify my mount options for my NTFS external HDD so that I can execute programs on it. I added the following line to my fstab accordingly: UUID=CE665A3F665A290B /media/Josh ntfs-3g ...
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1answer
68 views

Chmod crash version 13.10

I was watching a command line reference tutorial and testing out two commands, CHMOD and CHOWN. I ended up changing my root folder's permissions. What should I do? Version 13.10.
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2answers
734 views

No space left on left on Drive after deleting everything. /dev/sda6 100% used

I had recently run a script in our college exam on my computer which was specifically for 32bit(i386) but my ubuntu is amd64 , so the script wouldn't run but then I tried accessing the folders in my ...
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1answer
178 views

Fixing var errors

Sorry for not being able to properly format my question because I'm using SE Android app, my xubuntu isn't working. I dont know what exactly is the error but I'll try to describe what happened and ...
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2answers
116 views

Changed root directory's permissions to 644, how can I change it back?

I changed the root directory's permissions to 664. Now my display and keyboard are disabled. How can I change it back ?
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2answers
58 views

Permission issues after moving from folder from one partition to another

I am using ubuntu. I moved all my C programs/coded which was in a folder from one partition to another, after that all my files have -rw------- the owner has just the read and write permission, even ...
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45 views

Why would SSH ask for password every other day?

So I've been using ssh for quite a while with a server for the company I work with. Since about a month ago ssh keeps asking me for my passphrase for the rsa key, mind you, it does it every other day. ...
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1answer
2k views

ubuntu server and samba

I am trying to set up a Ubuntu server 12.04 nas using samba file sharing. I first tried to set it up with webmin and when that didn't work, I tried to set it up manually using the vi editor modifing ...
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1answer
18k views

“dmask” and “fmask” mount options

I tried this command to mount manually : sudo mount -t vfat /dev/sdb1 /media/external -o uid=1000,gid=1000,utf8,dmask=027,fmask=137 I am not getting what dmask and fmask does here. I know they are ...
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3answers
10k views

/etc/profile permission denied

I'm running an Ubuntu 12.04 LTS partition and I've recently have had issues logging in. From the GUI login screen, when I enter my username and password, it takes me right back to the login screen. ...
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1answer
511 views

Samba permissions

I'm setting up a NAS server, and I'm trying to configure samba. I can see the share on my windows clinet, but i can't write anything in it. My smb.conf looks like this: [global] workgroup=WORKGROUP ...
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1k views

ubuntu software center - error software can't be installed or removed

I have Ubuntu running on an Acer C720P, and I used crouton to install it alongside ChromeOS. I am using Unity and running 13.10. When I try to install software using the Software Center, it refuses ...
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1answer
352 views

How to Access Ubuntu files, while running from live cd

I wrote this Code greeter-show-manual-login=true in my Ubuntu etc/lightDM.conf, but when I restart my System ubuntu can't load it! Now I access this file with live cd, but when I open it and delete ...
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2answers
4k views

remounting read-only GPT filesystem as writable

I'm trying to read from a rescued macbook harddrive - here's the info from fdisk -l: Disk /dev/sdc: 250.1 GB, 250059350016 bytes 255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors ...
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1answer
2k views

permission warnings root folder

Yesterday I noticed a warning my terminal window showed when I installed Samba. The warning was: WARN: /etc/default/ufw is group writable! WARN: /etc/default is group writable! WARN: /etc is group ...
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1answer
2k views

Failed to spawn bluetooth main process: unable to execute: permission denied

I had bluetooth working on Ubuntu 13.10, quite well in fact. However, I recently did some experimenting with QtSixA, a tool which allows syncing of Playstation 3 remotes with Ubuntu over Bluetooth. ...
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39 views

What owner and mod should I give to /var/www [duplicate]

I would like to be able to edit the source code of my website from my editor and also allow the website to load in the browser. With sudo chown -R 'www-data':'www-data'the code is not editable but ...
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1answer
412 views

Messed up with libudev files and now I can't boot

So I wanted to test cgminer on ubuntu and I was getting an error message about missing libudev file so in a rush I tried to read a few answers on here but instead of fixing it, I just messed up things ...
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1answer
249 views

Using FTP to edit a file removes Apache permissions

If I edit a file using FTP with vsftpd on ubuntu 12.04 LTS... It removes the permissions that allow Apache to access the file... Currently If I upload a file with FTP, if it is a .php file it will ...
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1answer
6k views

Apache AH00035 error: is it possible to place site directory on a mounted media without losing security?

I tried to put site files on an encrypted disk that's mounted to /media and got (13)Permission denied: AH00035: access to / denied (filesystem path '/media/username/partition') because search ...
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1answer
49 views

Can't Get UMASK To Work [closed]

So, I am ssh'd into my Ubuntu 12.04 server. It is running Apache. I am trying to make it so that when a user logs into their account, and creates either a file or a folder, the public has the ability ...
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1answer
387 views

How to let a user execute a script owned by root? Setuid doesn't seem to work anymore

I have some bash scripts that I use with the user 'root' to manage iptable rules. The problem is that I want these things at the same time: The script must be owned by root Permissions must be 700 ...
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2answers
84 views

Set permissions just for a subfolder

I have a folder under the /etc directory. This folder and files contained in it has to be accessed by every user beloning to myGroup group. I correctly set permissions: every file in this directory ...
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3answers
2k views

Making a specific root folder accessible to user

I am using virtual box with ubuntu as the guest, which has a feature to share a folder between the host and guest, which is located for the guest in the media folder under root. It is quite ...
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1answer
231 views

Notify-send won't show notification unless run with sudo

I have just tried to use notify-send on my 13.10 machine and can't get it to work without using sudo with it. I don't know what details can I provide with this issue. My notify-osd version : $ ...
2
votes
2answers
12k views

How to add my user account to admin group (13.10 desktop) [duplicate]

I was trying to extract a web template into the hosting folder /docroot on the web service, which is working, however I do not have permission to complete the action. I cannot stand being locked out ...
0
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1answer
198 views

How setup samba share only readable by a certain domain group?

I'm using Ubuntu Server 12.04 connected to an active directory by Likewise open. I want to be able to share my files with others in the same domain group. I've followed this guide and also ...
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2answers
1k views

Can't change permissions on extracted files Ubuntu 13.10

I'm trying to install a program from the *.x86_64 file but it seems I don't have the right permissions to do it. Even if I right-click and go in the "Permission" tab, when I try to change anything ...
0
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1answer
1k views

Sharing Ubuntu disk to Windows over the network

I have got a HP Prolient mini sever in which I have added 2 additional 2TB Drives setup as a RAID 1 to give redundancy with the view to using it as a central repository for storing photos etc. I could ...
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1answer
246 views

Vuze won't let me delete anything, it says permission denied

I'm running Ubuntu 12.04. In the Vuze downloads properties, it says Owner: root. I don't know how to change that. This has only happened in Ubuntu, not Windows.
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2answers
4k views

Ownership of second internal hard drive

I can open nautilus file manager as root and tried various tutorials on this site but still having the same problem every time. I'm able to right click then select properties as root on my second ...
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2answers
295 views

Why do octal permissions start with 40?

I just installed nemo and I am displaying the octal permission field. The permissions are things like 40755 and 100755. I am familiar with the last three digits (755) and I assume those are rwx ...
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1answer
46k views

Solving /var/lib/dpkg/lock - open (13: Permission denied) with “are you root?” error [duplicate]

Error: E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied) E: Unable to lock the administration directory (/var/lib/dpkg/), are you root? So, I've seen this error crop up ...
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2answers
63 views

Assining permission to www folder

Very new to Linux (Ubuntu). So getting lost each moment where this time I just installed Apache and trying to create file in www folder. But it is giving permission error. Now I don't even know how ...