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

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24 views

I made new login names when i upgraded now I can't see files on external drive

Upgrade from 10.04 to 12.04 was successful and I thought everything was good. I decided to do a complete wipe and start from scratch so I off loaded everything to an external drive. I thought I was ...
3
votes
2answers
3k views

How to prevent users from renaming files while providing write permissions on Linux

For some special purpose, I want to prevent non-root users of the Linux Server from changing or renaming the filenames. However, they can modify and write to the contents of the file. How to do this ...
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3answers
1k views

why am I being denied my rights in sudo?

why am I being denid my rights to delete directories even I created in sudo now I cannot rid myself of it -- yes it is empty did this to insure I have sudo in the accounts: userz@bw:~$ sudo adduser ...
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1answer
1k views

Grant users access to directories on partition

I have just installed Ubuntu 13.04. The OS and binaries are on an SSD. All of the data and files are on a standard HDD. The system's other user accounts each have a directory on the HDD. ...
3
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1answer
2k views

How to access drives that are mounted by other users?

On my PC, I have three user accounts. Suppose I open a drive from the file manager in one account, it gets mounted and can be accessed fine. But when I try to access the same drive from another ...
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2answers
2k views

'Permission Denied' appears when attempted to install ise xilinx

When I tried to install ise xilinx on ubuntu 13.04, the following error occurs: "Permission denied" Can anyone help me? Thanks in advance! This is the error I'm getting: luaiks@luaiks-VPCEA22EA:~$...
3
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1answer
2k views

How to give different permissions to multiple groups of users?

I installed Ubuntu 12.04 server and want to give full folder access say example: "Folder01" to group "Group01' and Limit "Group02" for read access only. How I can do this.
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1answer
393 views

Can chmod 777 be a security risk on a personal machine?

Can 777 permissions increase security risk on an average Ubuntu single-user machine? How? What are other downsides of it? Thanks
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1answer
2k views

Permissions issue in eclipse

I am running Eclipse Indigo in Ubuntu 12.04.3. I checked out a project from subversion and put it in my workspace. When I try to run Main.CPP (it's a C++ project -- not java), I get the following ...
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0answers
46 views

How can I recover the access of an account after a Graphics card installation?

After installing the amd hd7770 videocard and installed the driver packages (which probably went wrong) I started to encounter 2 issues... The first issue that I have is getting into the account I ...
1
vote
1answer
32 views

Issue with Rosewell network adapter

When running the install.sh script for my roswell network adapter RnX-N180UBE I get an error Cannot change ownership to uid 1007, gid 501: Operation not permitted If anyone has any experience with ...
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4answers
7k views

permission denied while making a file without asking for password

I'm trying to create a file using cat > list but each time it shows me "Permission denied". xyz@jaishreeram:/home$ sudo cat > list bash: l: Permission denied xyz@jaishreeram:/home$ sudo cat >...
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3answers
957 views

How can I execute c programs in ubuntu 13.04

I upgraded my ubuntu to 13.04 version. After this upgrade I am not able to execute c programs in terminal. When I try to execute, it shows an error as shown below bash: ./cd: Permission denied ...
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4answers
6k views

FireFox won't launch, “Error: Access was denied while trying to open files in your profile directory”

I cannot launch FireFox, as I'm getting the "Your Firefox profile cannot be loaded. It may be missing or inaccessible." error when I attempt to launch the latest FireFox in Ubuntu 13.04 (up to date). ...
1
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1answer
571 views

wwwdata user not working when permissions are 400-500 - 403 forbidden access

securing my server i found that using: find . -type f -exec chmod 400 {} \; find . -type d -exec chmod 500 {} \; display 403 forbidden access. if I use: find . -type f -exec chmod 644 {} \; ...
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2answers
11k views

Root Owns Home Directory, chown does not work

I am running Ubuntu 12.04 and having various problems. I have traced it back to the fact that my user's home directory (/home/user) is owned by root. The /home directory is actually mounted on ...
2
votes
1answer
279 views

How to grant permission for newly created partition?

I just created 2 brand new partitions (sda6, sda7) from unallocated space. I wish to perform normal operations such as saving files, creating directory, copying files to these 2 brand new partitions ...
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2answers
1k views

VirtualBox won't start in Ubuntu 13.04

I am trying to run VirtualBox so I can install a copy of Windows XP for school. I can get through setting up a new VM but when I try to start it there's a problem with kernels. Failed to open a ...
2
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1answer
926 views

How can I share media from ubuntu 13.04 to windows XP

So I have set up samba successfully and I am using it for file shares but when trying to do media shares I am having issues. Specifically the problem is that I can see the Media folder in Windows but ...
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1answer
666 views

samba question: share = user

I am running Ubuntu 13.04 and Windows XP. I am a samba newbie but was able to set this up on Ubuntu following the instructions posted here https://help.ubuntu.com/13.04/serverguide/samba-fileserver....
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2answers
3k views

How to give a program access to make file in root directory

i am running a program which uses log4j.The log4j uses rolling file appender.However its not able to create the file. I guess its because the creation of file need root access. The program is ...
0
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2answers
3k views

How to permit SUID

I need to permit suid for my user account on my ubuntu 13.04. According to the mount command the bit flag for my account is nosuid. how do i change it to suid.
2
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1answer
23k views

Change Folder & File Permissions for all Subdirectories

I created some files as root that I would now like to be changed to a specific user. How would I do this? I cannot go trough the files one by one as that'd just take way too much time. I would like to ...
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2answers
1k views

effective user id not changing when setting uid to root

I'm currently reading a book on programming with C, i got to a part where i got to write a program which will display the real uid and effective uid that the file is being executed on. After compiling ...
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1answer
91 views

Prevent non-root users from viewing /var/www

Is there a way to prevent users from viewing /var/www? I tried chmod 0750 on /var/www, however, that prevented the webserver from viewing the files as well. Thanks!
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1answer
145 views

Can't delete from Ubuntu_Free_Culture

Some media showed up in my Ubuntu_Free_culture folder which I can't delete. Presumably this has something to do with permissions. I lack root privileges. I'm a complete Linux newbie.
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2answers
10k views

How can I change owner back to root? [duplicate]

So, I did a stupid thing... I was installing some software (Java SE 7, if you must know) from a tarball, and I got tired of using sudo, so I went and changed the owner of my /usr directory to myself. ...
0
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1answer
496 views

./configure Permission Denied when try to build llvm

I'm try to build to build Clang and LLVM and after download it I want to configure it so when I do that command : ../llvm/configure --prefix=/usr/clang_3_3 --enable-optimized --enable-targets=host ...
0
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1answer
1k views

problem with the installation of wireshark ubuntu “make” failed

I need to install Wireshark but it seems to have some problems when I type sudo make command. Here is what I get: dell@ubuntu:~/wireshark$ make LANG=C /usr/bin/perl ./make-version.pl . Version ...
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3answers
8k views

Locking is not possible in the directory “/opt/eclipse/configuration/org.eclipse.osgi”

I installed Eclipse 4.3 to my Ubuntu 13.04 and it works perfect when I am root. However when I try to run Eclipse without root authorization, I receive the following error message: Locking is not ...
0
votes
1answer
388 views

Do some files downloaded from the internet have execute permission by default?

I noticed that some files downloaded from the internet have executing permission (e.g. Tor, Bit-torrent, Sync etc.) by default. Therefore the permission information is stored within the files itself, ...
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2answers
62 views

I want to put my logs on a seperate partition

I want to put my /var/logs on a separate partition. I know how to fstab, but one thing concerns me... If I create the partition and mount it to /var/logs what would happen to the data already there.....
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2answers
787 views

Run program with group execution permission

I want to run program with execution permissions set to group. Unfortunately bash says "Permission denided". How can I run program as user different that root without giving ownership to this user? ...
0
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2answers
119 views

Mountpoints, file permissions

I have an application that writes to /var/lib/yacy. I have a partition I want to use for that database. I have the partition mounted in fstab at /home/somwhere/partition I want to move the current ...
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2answers
979 views

Please settle a Sticky (bit) argument

I got into a good-natured spat with a fellow worker about the nature of the sticky bit. My contention, working from the chmod man page was the the sticky bit, if set, allows only the owner to delete ...
0
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1answer
51 views

Can only open bukkit.sh with Java Web Start

I'm trying to run bukkit.sh file with java 7 runtime. Instead the only application I can associate the bukkit.sh java file is java web start. I've done the basics, installed java7, set the bukkit.sh ...
3
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2answers
773 views

Evince Document Viewer - Failed to execute child process “nemo” (Permission denied)

I've recently migrated from nautilus to Nemo. I've been reading a PDF and selected File > Open Containing folder option. This message appeared: Failed to execute child process "nemo" (Permission ...
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vote
1answer
4k views

Lighttpd starts but doesn't work. lighttpd.pid Permission Denied

System: Ubuntu 12.04 Server Restarting lighttpd show status as [ OK ] But on performing netstat -ntulp I don't find the lighttpd server to be running. Here is a screenshot showing the results. As ...
2
votes
2answers
7k views

No root privileges when using GUI

So I'm logged in as the user 'Shannon', but can't gain root access through the GUI when I'm prompted to install a program for example. However using sudo su, type in the root password, gain access ...
0
votes
1answer
2k views

Not able to access folder due to wrong CHMOD commands

I was not able to view my custom vhost www.ajweb.dev in my apache2. My www folder resided in /home/ajinkya/www So I did following. ajinkya@ajinkya-Inspiron-3521:~$ cd www ajinkya@ajinkya-Inspiron-...
0
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1answer
149 views

Problem with Qjackctl

I am struggling with Qjackctl. One of the things that was suggested on a youtube video was to create a nano file and put in this code: @audio - rtprio -99 ...
0
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1answer
173 views

Setfecl: Option -m incomplete, why?

My commands: sudo setfacl -R -m u:www-data:rwX -m u:`whoami`:rwX app/cache app/logs sudo setfacl -dR -m u:www-data:rwx -m u:`whoami`:rwx app/cache app/logs It returns: setfecl: Option -m ...
0
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1answer
2k views

How to become administrator user?

I'm new to this ubuntu 13.04 so in terminal i allways need to start my xampp as a root so please help me i wanna convert my current account as an administrator(root) user.
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1answer
98 views

User permissions inheritence

If an owner can read and write and the group can read and execute, can the owner execute the file? Do file permissions stack?
18
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5answers
67k views

How do I edit the /etc/hosts file?

I'm new at Linux and I just download Ubuntu 12.04 LTS. I found a spot that showed me how join my Windows Active Directory. It has me add couple lines into the 'hosts' but I'm not able to edit the ...
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0answers
473 views

sudo -Hu rsyncuser rsync --progress -avz /source/path/ host.org:/destination/path/ - why does it change directory permissions?

here is my setup: on my source machine i created user rsyncuser with reading and writing permissions in /source/path on my destination machine i created user rsyncuser with reading and writing ...
0
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1answer
8k views

Default user-group owner for /var folder

Unfortunately I missed and suddenly change permission for whole /var folder content (chown -R www-data:www-data ../../, but I was inside /var/www_virthost/mydomain), what is wrong as I guess ;) But ...
0
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1answer
414 views

Man user name problem

I have a user on my Ubuntu 13.04 that his username is: me and his name is Man Also I do not know the difference between user name and his name (in User accounts he is displayed as: Man me ...
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1answer
3k views

Add Apache2 Vhost at home

I just installed Apache2 on mint 15. I am able to see the localhost and so decided to add virtual hosts for my projects. I have added the hostnames at /etc/hosts 127.0.0.1 eclipse I also added ...
4
votes
3answers
14k views

Not able to install *.run file in Ubuntu? [duplicate]

I am newbie with Ubuntu and I am using Ubuntu 12.04.3 LTS version inside Windows using WUBI. I have to install few softwares in Ubuntu which are as follow: MPLAB X IDE version 1.90 XC8 Compiler and ...