Security :: Module - Copy ELF Or BIN Files From The Filesystem - Get Permission Denied
Mar 17, 2010
Whenever i copy ELF or BIN files from the filesystem of linux i must get permission denied. For this case i have gone through the linux security module but didn't get much help regarding the permission denied only in case of copy of ELF and BIN files from filesystem. how can i proceed in this. WORK DONE:
1. Downloaded linux-2.6.25.14
WORK NEEDS TO BE DONE:
1. compile the kernel with some modifications in linux security module to get the desired results but this time i am unaware of that.
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May 22, 2011
Running Ubuntu 10.04 I logged into (sudo?) (root?) using:
Code:
sudo -s
and then entering my password.
I navigated into the home folder and viewed the long listing of it's contents using:
Code:
root@host:~# cd /home; ls -l
total 4
drwxr-xr-x 65 uname uname 4096 2011-05-22 17:14 uname
[Code]...
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Jul 20, 2010
I can't perform any of those.Except from the Terminal.I didn't edit any permission... nor installed anything.Don't know what to do.Also, "Move to Trash" appears grayed out, in the right-click menu (for all the files/folders).
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Sep 23, 2009
I can't copy a few files from my pen drive. Got the files from a public computer, with windows. I use fedora 10.
cp gives the following error--->
cp const1.java /home/user1/Documents/scjp
cp: cannot open `const1.java' for reading: Permission denied
lsattr shows this--->
lsattr const1.java
lsattr: Permission denied While reading flags on const1.java
mount shows this--->
/dev/sdc1 on /media/disk type fuseblk (rw,nosuid,nodev,allow_other,blksize=4096)
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Jul 9, 2011
Here is a copy of my fstab # /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
[code]...
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Jan 3, 2011
Im running Ubuntu 10.10 on my hp mini 110 netbook, have been for since i upgraded from 10.04. The problem Im having all of a sudden is when I try and copy anything from internal file system, to anything external [phone, card reader, usb hardrive] I get a pop up that says Error opening file '/media/disk/<filename>': Permission denied
Should be a quick fix i would think, what you guys got ???
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Jan 2, 2011
I am attempting to make a backup copy of a file, but every time I try to copy the file, I get a "permission denied error -- even when running as root. The file is on a volume mounted as /media/Data . No problems reading/writing other files on the volume.
Here is the info on the file:
-rw-------. 1 root MailServer.img
I've tried chown but get the permission denied as well. This is a virtual machine image that runs fine, but even with the VM completely shut down, I get the same error.
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Jan 17, 2010
Quite a few times i have boot puppy linux live and have tried to copy file from the underlying NTFS windows HD only to get an error like permission denied when i try and copy a file to say a USB stick, i think some files copy but i seem to get permission errors with some files.
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May 4, 2011
nfs mounted directory which is mounted rw. I and everyone else are members of a common group. We all have write permissions in the tree: All files and directories in the tree are in the common group. All directories are set to 775 and all files are set to 664 or 775, as appropriate.If a file is owned by someone else, even though the file and the directory are group writable, I get permission denied when I try to chmod the file.
Here's the command synopsis:
997 > ls -l portparms.txt
-rwxrw-r--. 1 bdaugher fc 4091 Sep 5 2003 portparms.txt
[code]...
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Sep 28, 2010
I am trying to install COMSOL 4a in Ubuntu 10.04 and when I try to run ./setup and I am already connected as root the command line gives me a permission denied error.
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Apr 18, 2011
I have, say, 10 machines, connected via NFS and NIS. There's a server which exports the /home using NFS, and exports the user names using NIS. All machines are working fine. I am able to ssh to the machines remotely and get my work done.Recently though, one of the machines (say M, for easy reference) would not allow any other machine on the NFS network [or outside the NFS network] to ssh into it. Every time an ssh attempt is made, 3 IP addresses [including the machine from which an ssh attempt was being made] are added to the /etc/hosts.deny file on M, and the error message on the other machine shows 'permission denied' after the password is entered. I tried using various options that ssh provides, but I cannot figure it out. I also tried uninstalling and reinstalling openssh-client and openssh-server on M, but it didn't change anything.
Another point to note is this: another user made use of M before, for a while, by disabling ssh passwords - so he could access M without having to enter his ssh password. That individual can still log in to M. All others who require to enter a password cannot ssh into M.
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Jul 9, 2009
Is it possible to change the general permission denied error. I have some rather young users on this system that think they can "hack the gibson" and I would love to change the general error message to something a little more rude/funnyex:# cd restricted area
-sh: cd: restricted area: Permission deniedI am curious if its possible to change the error message in general?ex:# cd restricted area-sh: cd: restricted area: (funny/rude message goes here)Quick info:This is a Gentoo 2008.0 system, I would also love to do this on my slacware and OpenBSD boxes as well just for kicks.
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Mar 24, 2010
I have trouble with rsa authentication:
I did create an rsa certificate with ssh-keygen using my root account on a client: ssh-keygen -t rsa -b 2048 no passphrase I did copy the rsa pub_key from my client to the server scp id_rsa sampleuser@sampleserver:/home/sampleuser/.ssh/authorized_keys
I did change the ownership to the "sampleuser" of the pub key file on the server: I trayd to connect:
ssh sampleuser@sapleserver
I get that: permission denied (public key)... I know I do smth wrong but I don't know what.
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Jan 20, 2010
This is weird, today I updated my system and while trying to visudo from single user mode got
"cannot read /etc/shadow: Permission denied"
which kept me from doing anything until I switched to file permissions of 400 on shadow, then back. Is this being experienced by anyone else or just me? /etc/security/limits.conf doesn't seem like it wants to change in enforcing mode either and I can't find any alerts to provide clues on the situation.
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Jan 6, 2010
I have recently bought a new laptop, installed my first linux OS on it (Ubuntu 9.10) and an external hard drive with 500GB on it for backup. For the first few days my external hard drive was working fine, but then eventually it wouldn't let me copy/move/delete stuff to and from it. So I kept trying to change the permissions but it wouldn't let me.
I figured this would be a very very common problem, so I looked up some forums to try out the methods but they didn't work. So I thought I would ask you guys for help because I am pleased with the support. I wouldn't think this would be a hard problem to solve.
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Oct 26, 2010
I have an external hard drive that has all of my Apple Powerbook G4 files on it. I plugged in my "Journal Extended" external hard drive into my new HP laptop with Ubuntu 10.10 on it.
All of my files are on the hard drive still, however lots of them have a little X on the folders and when I try to open them it tells me I don't have permission? How can I force the permission for everything on my external? It's my own files and I can't even access them lol.
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Mar 18, 2010
I have a CGI script that when called runs another script as a different user. Yet when the script does run I keep getting a permission denied in the logs and the script fails
In the sudoers file-
Defaults env_reset
www-data ALL=(charly) NOPASSWD=ALL
For the full question-
When looking at /etc/sudoers there is the defaults line that you can add things to. When doing a sudo -L so that I can see what I can put on that defaults line. Can an individual user have specific defaults? Ones that don't effect the rest of the people in /etc/sudoers?
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Jun 13, 2009
I am trying to wade through the semanage jungle to get permissions for a tftp client. I followed the HowTos [URL] but I get the following at the client:
tftp> status
Connected to 192.168.1.101.
Mode: netascii Verbose: off Tracing: off
Rexmt-interval: 5 seconds, Max-timeout: 25 seconds
tftp> get hello.o4
tftp: hello.o4: Permission denied
I finally figured out that the firewall directives shown at the end of the HowTo refer to semanage although the options are stated incorrectly according to the man page for semanage. I did insure that the file hello.o4 in /tftpboot has read permission for everybody.
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Mar 16, 2010
I just installed Apache2, PHP5 and MySQL on my Ubuntu 9.10. I have about 200+ .php format files of my site (including index.php) which I need to copy to var/www.
But the permission is denied.
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Jun 1, 2011
I'd like to view the log files, but when I try to view a log (such as daemon.log), I receive a message that says "You don't have permission to read the file." What do I need to do to have permission? (This is my computer. I've been an Ubuntu user for less than a year
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May 10, 2010
I am not sure if this is posted somewhere else, if it is sorry. Anyways I downloaded files to my desktop from firefox and i need them to be in usr/local file, but if i try to put it in there it tells me permission denied. Is there anyway around this?
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Oct 5, 2009
I have some files lying around in /root/bla/, all these files are 644 and /root/bla/ is 755. Still, when I try (as a different user) to cp /root/bla/file ., I get a "cp: cannot stat: Permission denied". I also cannot ls /root/bla/, I also get a Permission denied... what gives?
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May 8, 2011
How is it possible that I get perm denied when I'm copying files in console.
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Mar 15, 2010
I had ubuntu 9.04 on a laptop, and it kept crashing, so I removed the harddisk, connected it via a Sandberg Harddisk to USB stick, and it works when I connect it to another ubuntu (running from livecd), but some of the files are locked, and I cannot open them copy them or anything else. What do I do?
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Apr 12, 2011
I have an apache installation with /var/www/bob as the document root and the only site served up. I have bob as the directory's owner, and he is able to upload his files to that folder via ftp (vsftpd on the server). When a browser tries to access the pages, it simply gets a 403 forbidden. The problem occurs when apache2 tries to access the files bob uploads. The www-data user (Apache daemon) gets permission denied when I try to cat bob's files in the shell, so it's purely a permissions issue. What I can't figure out is how to give the Apache daemon the ability to read bob's files while also making certain it does not have the ability to modify any of them.
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Jan 24, 2010
I have a dual boot Dell Studio laptop with Windows (VISTA) and Ubuntu (9.0.4) installed on it. I have recently installed Ubuntu to make it a dual boot. Before that I was using LiveUSB Ubuntu image for six months (without any problems).
During the installation of Ubuntu, I created a Linux partition of 2GB for Ubuntu installation (assuming that it was running successfully on my 2GB USB drive). All of my other work (e.g. documents/programming projects etc.) are stored on the Windows partition (which is loaded during the boot time automatically). The problem is that I get a "permission denied" error while running any executable file on the Windows partition. But if I copy the same executable on the Linux partition, everything works perfect. Am I missing something here?
I have verified that the executable have necessary execute permissions.
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May 26, 2011
I have my ubuntu comp setup as a media server and works fine with mythtv etc but I also want to access the files from my computers in the other rooms (most have windows 7). I was able to share the file containing the videos easy enough by right clicking the file and checking all of the sharing options the first time. I have been able to access all the files that i originally put in the folder and stream video to my other computers without issue.
However any new files I add to the folders I am now unable to access. The files show up but when I click on them it says I don't have permission. I have tried unsharing the folder and redoing it but I come to the same issue. I am sure I am just forgetting an easy step but I can't think of what that is. Also want to make sure that any new files I add to this folder will work instantly across the network.
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Feb 22, 2010
I am trying to run matlab 7.7 (R2008b) on my ubuntu 9.10 distribution..the thing is that I am totally new with both matlab and linux and I get the following error message from matlab when I try to run an example mex-function:
>> mex yprime.c
/home/margareta/Desktop/matlab/bin/mex: 1572: gcc: Permission denied
Warning: You are using gcc version "". The earliest gcc version supported with mex is "4.0.0". The latest version tested for use with mex is "4.2.0". To download a different version of gcc, visit [URL] eval: 1: gcc: Permission denied mex: compile of ' "yprime.c"' failed. Error using ==> mex at 213 Unable to complete successfully.
I had gcc-4.4 as default on my pc, so after this error I downloaded an older version (gcc-4.1) and removed with rm the symbolic link in /usr/bin pointing to gcc-4.4 and created a new one pointing to gcc-4.1. Now when I type gcc -v in the terminal it says that gcc is in the packages gcc and pentium-builder, to do an apt-get install. I tried that but than it says that gcc-4.1 is already the newest version. It seems that I have multiple versions of gcc installed but neither the terminal nor matlab can find them.
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Sep 3, 2009
I'm trying to set up a Fedora 11 server so that users have only SFTP access. The relevant lines from my "/etc/ssh/sshd_config" are:
[Code]....
I can log in okay, I can type "cd /" and "cd upload", but when I try an "ls" command, I get: Couldn't get handle: Permission deniedand when I try to get the file "junk" (listed above), I get: Couldn't stat remote file: Permission deniedAnyone know what I'm doing wrong?
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May 18, 2010
I have a ftponly user "rom" in my box. This is used by our vendor to send files through ftp. When they send files the ownership of files are all the same as user name group created in this machine.But our application engineers use another user name "deb" to process these file. But as the owner of these file are "rom", they cannot process with their user. Manually they modify the user name and group and then they able to process.The group ID of the two users are different and its application dependent.how should the ownership will be modified automatically or is there any workaround or script to modify the ownership of these file for application user's?
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