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

learn more… | top users | synonyms (2)

4
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3answers
3k views

Is “chmod -R o+x /home” dangerous? [duplicate]

I'm very new to Ubuntu. During work on my home pc, I accidentally made the following command: sudo chmod -R o+x /home I want to know if it's dangerous to open access for other users and, if so, how ...
0
votes
2answers
839 views

Not able to save files

I had installed apache,php just now and for checking whether php executes i had opened /var/ww and edited index.html file , but i was unable to save the file. It says i do have the proper permissions ...
0
votes
2answers
224 views

How can I change the owner of a folder? [duplicate]

I am an emigrant from Windows but I am having a serious problem which is changing the Root permission. I tried to changed the owner by doing right click and change the permission but it's not ...
16
votes
1answer
911 views

How Will App Permissions be Handled in Ubuntu Touch?

Most elements of the hardware, or data sets shared between apps on the Android and iOS platform are controlled strongly, and only provided to apps explicitly on a need-to-know basis. This can allow ...
2
votes
2answers
443 views

Need help for locking down linux desktop

Good morning all. So I work with a disabled guy and he has a computer. This guy asked for assistance, I put windows xp on his computer and I discovered that he loves deleting files (he managed to ...
0
votes
1answer
1k views

User permissions on upload directory

Uploading files via my website fails because apache is not recognized as having write access. However, my permissions show otherwise. Any ideas? When uploading via script, the script returns ...
1
vote
0answers
584 views

Postfix master.lock: permission denied

I'm triyng setup the postfix, but with no success. I am using webmin to configure. my problem is that postfix won't start, always with the same message: Mar 19 19:21:13 site ...
0
votes
2answers
112 views

Start vim automatically as root in home folder

Is it possible to start vim automatically with root permission if I start it in my home folder (or in a subdirectory of that folder)?
0
votes
0answers
1k views

What to do after 'chmod -R 777 /'? [duplicate]

I have many file permission problems, as being a newbie, I unfortunately set permissions on everything somehow to 777 (chmod -R 777 /). I believe I've done this from the root directory logged in as ...
0
votes
1answer
706 views

can't access root user

I came home from work and restarted my server pc just for a bit of refreshment and it turned on me and did the opposite. I'm running OPEN MEDIA VAULT, it's been very good to me, until now, I used to ...
24
votes
4answers
17k views

Npm errors when installing packages on windows share

I have Ubuntu 12.10 running as a VMware guest on my Windows 8 host. I have shared a folder on my Windows 8 Host and it is mounted in the Ubuntu guest on startup using this entry in fstab: ...
0
votes
2answers
1k views

How Do I Change Permissions On Folder And Files?

I've edited this post to hopefully make it clearer to anyone trying to help drwxr-xr-x [tutorials] -rwxr--r-- [helpguide.txt] When the above are copied over from the Dell laptop, they appear ...
2
votes
1answer
1k views

Permission Issues with command in rc.local

I am using a command to start a screen session and run a bash script for a user. /bin/su username -c "/usr/bin/screen -dmS test bash -c '/home/username/test.sh; exec bash'" When I boot, I am seeing ...
1
vote
1answer
469 views

Not able to change permission of a file to add +x [duplicate]

I am not able to understand what is the issue here ? vks@vksTP:~/dropbox/shells$ ll sssh.sh -rw-rw-rw- 1 root root 1218 Mar 17 17:58 sssh.sh vks@vksTP:~/dropbox/shells$ sudo chmod +x sssh.sh ...
0
votes
2answers
356 views

weird change of owner for user home dir when installing vettle

All of a sudden my home dir turned to be owned by user '1016': drwxr-xr-x 96 1016 1016 20480 Apr 2 2010 albert drwxr-xr-x 32 guest guest 4096 Mar 16 13:46 guest I don't understand how that ...
2
votes
1answer
448 views

How can I change the permissions of a folder from create or delete to list files only on a NTFS partition?

I have many NTFS partitions on my PC. If I change the permissions of a folder on a NTFS partition from "create and delete files" to "list files only", its permissions will return to "create and ...
3
votes
2answers
9k views

How can I prevent users accessing anything but their own home directory?

How can I prevent users accessing anything but their own home directory? For example, I have a NTFS partition mounted under /media/ntfs, so if the user logs in through ssh he can reach this ...
2
votes
1answer
4k views

Is /etc/sudoers file only suppose to have read only permissions?

-r--r----- 1 root root 723 Jan 31 2012 sudoers My dist-update frequently fails. At boot my system frequently asks for file system check. (My system-hardware is file) I am using vksTP ...
4
votes
4answers
23k views

Permissions for Video folder for minidlna?

I have a secondary hard drive that is mounted as /media/Media and I would like to user a folder called Videos located on that drive that I would like to share the videos located on this folder out via ...
2
votes
1answer
127 views

Problem when changing permissions of a folder in a NTFS filesystem

While trying to make a DAAP server work, with tangerine, I realized that my music library doesn't has read permissions for all users, but has all the permissions for the owner and the group (tangerine ...
4
votes
2answers
17k views

How to make a directory permanently writable?

I am using LAMP stack for development and I have a problem with making /var/www permanently writable. I use this command: sudo chmod -R a+rwX /var/www This works, but after putting a web app and ...
1
vote
1answer
132 views

How to solve the access permission problem for any folders in ubuntu?

How to do I solve the access permission problem for any folders in Ubuntu?? I am currently trying to copy a folder from one Ubuntu to another Ubuntu machine using "scp" command. scp -r foldername ...
0
votes
1answer
13k views

Change files permissions

I would like to know how to change permissions for all my files. I don't understand why some come with ''read'' only... I'm the only one that uses the PC, so the max permissions would be good! I ran ...
0
votes
1answer
371 views

Why can a new user not write to external Hard Drive?

I installed Precise Pangolin using this guide. I created a user account for my wife and a guest account. I formatted and mounted an external hard drive to the server. I created several file shares ...
5
votes
1answer
917 views

How to change default file/folder permission of specific user?

How can I make any folders or files created by a certain user always be public (accessible by anyone) in Ubuntu?
2
votes
0answers
643 views

Error while starting hadoop

When I try to run hadoop as bin/start-all.sh, I get this error.: mkdir: cannot create directory /home/prasanna/Desktop/hadoop/libexec/../logs: Permission denied chown: cannot access ...
2
votes
2answers
2k views

Folder permissions changed automatically

Hey guys first of all I searched a lot on this site but didnt get any exact answer to my questions. Dont know something happened automatically and all the folders permissions changed automatically and ...
3
votes
2answers
166 views

trying to have a group be able to read/write to a directory

First I'm a NEWBIE - I'm using a Bitnami stack to deploy a Rails app. Bitnami has the rails applications in /opt/bitnami/projects. I created a group called deployers. My login is bitnami. So, I ...
0
votes
0answers
214 views

Creating exact root user in ubuntu 12.04 [duplicate]

How can I create an user which will act same as root. When I login, it should go to # shell instead of $. There must be no need to apply sudo before any command. When I connect through Graphical ssh ...
0
votes
1answer
65 views

Share directory between users [duplicate]

I am trying to share a directory between two users. The directory is at /reports. I have created a group (addgroup reports), changed the group of the directory, changed the permissions of /reports to ...
0
votes
1answer
425 views

Allow user and program to use a directory (read/write) outside /home

There is currently an issue with Mendeley in Ubuntu and ecryptfs home folders The only workaround at this time is to allow Mendeley to write/read to another folder outside the ecrypted /home folder. ...
6
votes
2answers
3k views

Is it safe to chown `/usr/local`?

I know what /usr/local is for - installing software for the local machine. By default, root owns the directory. This means that to install there, you need to use sudo. For a single-user or developer ...
0
votes
1answer
2k views

Postfix fatal: open lock file /var/lib/postfix/master.lock: cannot open file: Permission denied

I have recently installed postfix and while configuring the server have run into an issue. At one point I received the error from my syslog, fatal: open lock file /var/lib/postfix/master.lock: cannot ...
12
votes
4answers
2k views
4
votes
1answer
194 views

How to use PAM to restrict HTTP access for some users?

I've read that PAM can be used to restrict HTTP access for some users, but I can't figure out how to do it in Ubuntu 12.04. The /etc/security/time.conf man page contains this example: All users ...
0
votes
1answer
443 views

Directory Permissions / Create Mask (Samba) (Ubuntu Server OS Directorys)

I want to understand the permissions a bit more! So I have a few questions: Does this change the directory's permission? sudo chmod -R 0777 Directory And is there a list for the "create mask" and ...
0
votes
1answer
181 views

can't scan videos with mythbuntu 12.04.2 + updates

I'm in the process of updating my system. Have been using Mythdora prior, so new to Mythbuntu. I installed mythbuntu 12.04.2 desktop amd64 and let it update during the install. The default path for ...
1
vote
2answers
3k views

Unable to Use External Hard Drive (NTFS Formatted)

I installed Lubuntu 12.10 earlier today on an old machine I have lying around. I've never really used this variation of Ubuntu before and was hoping I could get some (straightforward) steps on how to ...
1
vote
3answers
209 views

How do I recover files from an Ubuntu partition for which I am not the “owner”?

Good day, I've recently experienced an odd problem where for reasons that escape me my graphics configuration has been corrupted. I've tried going through the menu option that I am offered ...
1
vote
2answers
75 views

Is it possible to change the group of a file if I am not part of that group?

Is it possible to use chgrp or chown to change a file's group to one that I as the owner am not a part of? I own the file, but I am not part of the group that I want to change it to, so can it be done ...
1
vote
1answer
7k views

Symfony2 cache permissions issue ubuntu 12.10

i have install lampp 1.8.1 in /opt/lampp.Everything is working fine. i added my current user as owner to the htdocs folder so that i can write to htdocs folder. then i created my symfony2 project. ...
0
votes
1answer
70 views

lost right as administator

I have 12.04 freshly installed in my laptop. Recently I lost my rights as administrator. Hereare the problems: unable to do updates from Update Manager (though no problem if I do it from terminal). ...
1
vote
1answer
54 views

How can my app request sudo permissions when installed from the Software Center?

I have written a USB over IP server for Ubuntu and want to deploy it via the Ubuntu Software Center However for the app to run, it requires sudo access to udev files. Is there anyway to get sudo ...
-1
votes
1answer
3k views

Sharing a Second Hard Drve with Windows using Samba

I installed Ubuntu 12.10 32bit with the intention of using it to share hard drives across an office of Windows 7 computers. I've set up an initial share on the hard drive Ubuntu was installed from ...
0
votes
2answers
905 views

How to fix a permissions problem on www folder?

I have created a directory in my www folder using terminal and root user. Then, create some text files in that folder (with terminal and root user). Now, when I want to access these files and ...
0
votes
1answer
202 views

Does following `man sudo root` permenantly blocks your sudo?

I needed to enable the root account for whatever reason and being offline I had no better advice than this manual man sudo root "This is not recommended! To enable the root account (i.e. set ...
1
vote
1answer
497 views

vsftpd chroot opps on ubuntu 12.04

I'm unfamiliar with deb based systems, so my apologies if the solution is simple. I'm trying to setup vsftpd to jail users to their home directories. I get the 500 OOPS: vsftpd: refusing to run with ...
4
votes
1answer
251 views

Preventing a specific application from accessing a folder

I just installed an application that has the bad habit of automatically scanning all my folders for files to edit. The app has no available options to disable this behavior. I cannot just remove ...
0
votes
0answers
20 views

Permissions question for lighttpd [duplicate]

Ok, I thought I understood linux permissions and users and groups and all that, but I'm very confused about something. I've installed lighttpd, and left it's default dir at /var/www with cgi enabled ...
2
votes
3answers
2k views

How can I get root-like permissions so I can download stuff from the software center?

When downloading an application from the terminal it said I couldn't download it because I wasn't root, and when I got to search for the specific software in the Ubuntu software center it doesn't even ...