My system (CentOs5.3) became erratic after i tried to change wholesale the ownership of the /FS. is it possible to change ownership or rwx permissions of files in linux? what is the safeguard available to preserve the consistency of the program files in linux against such an attempt by su?
View 2 RepliesI finally replaced my Windows with Linux.. However, I need to run applications and modify files that are on NTFS mounts. I am unable to change ownership, permissions, and groups on these files so I may modify them without having to copy. I have several times attempted to chmod, chgrp, chown, etc.. while logged-in as root user; however it is to no avail. The owner and permissions are still geared towards root. can I change ownership and permissions on NTFS files so I can modify them without having to convert/copy them over to ext4 or different file system?- Matbtw: I am using OpenSuse 11.4 and running Windows apps with VirtualBox (with Vista installation image). I still have Win7 on my computer (non-emulated) and I would like to keep some files on those NTFS partitions so when I occasionally need to boot into Win7 I can modify those files because Windows blows and doesn't support Linux.
View 5 Replies View RelatedAfter burning files to DVD+RW, the owner is changed to root, and all permissions are read only. I want to periodically open these files, update them, and save to the DVD again, but I no longer have permission and cannot change the permissions since I am no longer the owner. I tried sudo commands, but get responses "Read only file system". I have erased and reformatted the DVD and started over but get the same results.
I have Ubuntu 9.04, and have tried Brasero and Nautilus and get the same problem. Am I using the wrong kind of DVD/CD?
I have been VERY lucky and managed to restore from a formatted ext3 /home/ partition. I used testdisk to reset the original partition which had had nothing done to it since formatting(!). However some of the file permissions are a altered and I cannot change them. I have tried "su chmod" and even temporarily enabled the root account itself and tried to alter the ownership/permissions from root 'proper' without it helping.
Here is an example of the output of ls -l
drwxr-xr-x 2 martyn martyn 4096 (date) (time) sponsors
?-----S--T 63231 92820383 44090688 4286824785 (date) (time) order.xls
The first line looks like a normally formed output and indeed is readable. The second line looks corrupted and I don't have a clue how I can reclaim this - or even if it is possible. Should I count my blessings most of my files are intact and leave those be?
I caught my two oldest boys at various times playing games instead of doing their school work.I said enough is enough. I will lock them out of the games. I don't think you need to be in the games group to play games
View 7 Replies View RelatedI have upgraded to 10.4 and and after try to install mac look in ubuntu.My screen start flickering, I found it this due to in system => preference => appearance => effect become no effect automatically (as each and every time I select extra effect)After some time.for changing this setting i need to turn off the computer and restart then after i can do it i.e. change effect to extra effect. Its done after following installation
[URL]
Is it possible to let users create the directory or files but only user "yat" can delete them.suppose other users are geller ross joe from group FH , who have privileges. whenever these users create file or dir , they should not able delete it.BottomLine: Group users should create file but should not be able to delete them.By the way using sgid bit didnt help .
View 14 Replies View RelatedI use Linux but have a computer with windows I use for gaming. It died and put the hard drive into another computer and used knoppix to recover my files. I looked at the ownership of the windows files and the owner is knoppix. Now I am concerned that ownership will not work on my new Windows computer (when I finish building it, that is). Since I don't get into Windows much I have no idea what those permissions should be.
If I copy them with owner knoppix can I even access them in Windows to change the ownership to whatever Windows will accept? If I change the ownership before putting them on a CD with knoppix, can I write the CD? I will have to use the hard drive on the new windows box so will not have access to the files later (unless I also copy them to my Linux computer for safekeeping). At least I know the ownership changes to make with Linux.
I have a directory /models/ with the permissions
drw-rw-rw- 2 owner developers 4096 Jun 24 15:13 models
these were set with
sudo chmod -R 0666 *
My user has developers as the primary group (the same group as the file), but I cannot access the directory via the terminal or ftp.
[myUser@machine]$ id myUser
uid=503(myUser) gid=505(developers) groups=505(developers)
$ cd models
-bash: cd: models: Permission denied
I had the same problem before the directory belonged to my group, and I even went so far as to restart the server, without any luck. How do I set permissions to this directory so that I and other members of the group developers can access it?
Installed Sidux over LennySidux didn't want to take my usual username, because a folder with that name existed in my home directory.So, I just mounted the home partition and changed the name of my home directory from shay to shay1.Don't know what that did or didn't do permission wise to the files in my old home directory, but I've got a few unowned files floating around my home directory anyway that have been dragged in from old harddrives and such.
View 3 Replies View RelatedWhy would I need to be root to change the ownership of a file? Example: I'm logged in as dwadmin and I've created a file:
-rw-rw---- 1 dwadmin dgw 0 Jun 17 07:46 testing.txt
I want to change the ownership to another user, but am getting the following error: chown 511 testing.txt chown: changing ownership of `testing.txt': Operation not permitted
I've already done the following commands
Code:
su
chown theif519 /home/theif519
chmod 775 /home/theif519
exit
#usermod -d /home/theif519 login
I've logged out and logged back in, and I was successful in making it the default directory it logs in to. Still, afterwards I noticed that that when I use the list all commands "ls -l" it shows that root owns it and it also shows that I do not, by default, have read write execute over it, only read execute. I'm using Slackware 13.37* in a Virtual Machine* Another thing, I don't think I added any rights to my user, how do I give it more rights as well? Like, wheel and sudo and all of that stuff. Also, this was the website I was using *Although it didn't help much, the comments sure did [URL].
I am a Linux Noob of the major kind.I have an MP3 player that is owned by root. I have a SANDISK it in also. I can copy files to the player despite it being owned by root but I can't copy them to the SANDISK which is also owned by root. So what is suppose to be after the colon?How do I determine what that is if it is a directory?How do I change to root to change ownership if that is what I need to do?Is there an application that I can use to change ownership easy and what user do I have to be to do that.
View 5 Replies View RelatedI installed Ubuntu from the alternate cd a few days ago to save space and resources on a very old laptop. (install command line, then add what I wanted) But I have struck an interesting problem with file permissions. Various programs like synaptic, leafpad, pcman, Banshee, all require I enter the root password to execute them (or sudo command from terminal). I want to change synaptic from root ownership to sudo and leafpad etc to execute without using the sudo command in terminal. I could get comments on the commands before I execute them in terminal and if I am introducing a security problem, as I am still learning bash. $ sudo chown sudo:sudo synaptic
I would still be asked for my sudo password before being able to open synaptic? As in standard Ubuntu instead of root password.$ sudo chmod 777 leafpad pcman Banshee All users could open these programs from the menu? I have my admin account and a general account which I use for everyday things like surfing the net and listening to music.
just trying to learn linux here and have some comfusing moments.it is my understanding that if you own directories and files you maychange the group, ownership, and permissions on all of these as you desire.however, in my case I cannot make any changes in my setup on group, ownershipor permissions on any of my files or directories.get error message <operation not permitted>. I know as root you ar supposed tobe able to do anything you desire, however in my case I can go in as root andtry the same commands with the same results. it is as if I am locked out ofsystem as far as any changes are concerned.on my jump drive I have:
total 83832
drwxr-xr-x 26 jevans root 16384 1969-12-31 19:00 .
drwxrwxr-x 9 jevans jevans 4096 2010-01-15 12:51 ..
[code]...
I am writing a script that is checking the ownership and permissions of a directory. If the directory in question does not have the correct ownership and permissions, the script will run the appropriate commands to give it the correct settings. The if...then...else syntax. The idea here is the following:
Code:
If <directory> no eq = <ownership root:root> && <permissions 755>
then chown root:root <directory> && chmod 755 <directory>
else exit
fi
What would the correct syntax be for the If line of the loop in question?
I run the servers hosting an intranet, a couple of services and an external websites for my club at university. I'd like to back up all the config files to some version control system to keep track of changes, in case one of my colleagues breaks something. The idea is to keep snapshots and then just roll back the required file in case something happens.
Now to the main issue: How does a version control system handle file permissions and ownership? Does it keep them? Does it set the permissions of the user who committed the last change? These are important questions as we have multiple daemons with different users...
I have 2 Oracle users that generate .tmp files under /var/tmp. By default, the files have the permissions 644. Now, a need has arisen whereby the files created by these users have to have the permission bits as 664. Obviously, I changed the UMASK value for these users from 022 to 02. But the files are still getting created with 644 as the permission.
I tried restarting the application as I read that a relogin is required for the UMASK change to take effect. Even that hasn't helped.
Being new to Linux, i've just about got used to the Debian setup procedure now, but had a quick question on the default ownership of files and folders. On my default Debian installation, almost all the folders and files are owned by root:root. Is this the correct advised configuration or should the folders and files be owned by a user without root permissions - eg user:user?
View 12 Replies View RelatedI have pc/os linux 2009 installed and I recently got the following message while trying to boot up my system:
*checking root file system...fsck 1.41.4 (27-Jan-2009) dev/sda1 contains a file system with errors, check forced. /dev/sda1:Inodes that were part of a corrupted orphan linked list found. /dev/sda1:Unexpected inconsistency;run fsck manually. (i.e., without -a or -p options) fsck died with exit status 4
*An automatic file system check (fsck) of the root filesystem failed. A manual fsck must be performed, then the system restarted. The fsck should be performed in maintenance mode with the root filesystem mounted in read-only mode.
*The root filesystem is currently mounted in read-only mode. A maintenance shell will now be started. after performing system maintenance press Control-D to terminate the maintenance shell and restart the system.
Give root password for maintenance:
The problem is, when I enter my password I get an incorrect password prompt. How can I change my password so that a manual fsck can start? Why did this message error message appear in the first place?
How do I change folder permissions without changing the permissions of the files within the folder?
View 6 Replies View RelatedI have my hard drive arranged with a single large ntfs data partition and a number of smaller partitions for /home etc. Here's the line in fstab:
Code:
/dev/disk/by-id/ata-SAMSUNG_HD103SJ_S246J9FZ806954-part2 /home/shmuck/data ntfs-3g users,gid=users,fmask=133,dmask=022,locale=en_US.UTF-8 0 0
But the ownership for that directory is root and I can't change it for some reason, using this line:
Code:
sudo chown -R shmuck /home/shmuck/data
It just doesn't do anything.
I've tried using chown to change the owner on one of my folders - but to no luck? This is what I run on the terminal - and there's no output. And when i view the permissions of the folder it's still set to root?[URL]
View 9 Replies View Relatedhow to change the ownership of a folder and everything within it through the Terminal. chown, in this case, isn't going to work.
View 9 Replies View RelatedI need to install a script into my Gimp folder which is owned by root. I tried "chown my name usr/ share/ gimp2.0/scripts" in terminal, but it tells me folder does not exist. I know I'm missing something, but I haven't done this in a while, so I'm not sure what it is.
View 2 Replies View RelatedI know I asked this question before, but I was running CentOS and I used "chuser" and that worked just fine, but for some reason in Fedora it doesn't exist. Is there another command that works in Fedora?I'm tring to change all files, and folders in my "www" folder to "apache:apache"
View 4 Replies View RelatedI want to change the the user and group of user kumata as kumara,but not getting change by using the below command. #chown -R kumara:kumara kumara
Getting using doesn't exist.
For reference find the below output.
[root@xyz ~]# /usr/bin/getent passwd | grep mathurr
mathurr:x:12271:12271:Mathur, Rajat X:/home/mathurr:/bin/bash
[root@xyz ~]# /usr/bin/getent passwd | grep kumara
kumara:x:12102:12102:Kumar, Abhishek X:/home/kumara:/bin/bash
[Code].....
Finally I managed to install my printer/scanner drivers.The last thing I need to do is to add the following two lines to 40-libsane.rules (which is a read only file):# Brother scanners ATTRS{idVendor}=="04f9", ENV{libsane_matched}="yes".How can I change permissions for this file or add these lines without changing permissions?
View 2 Replies View RelatedI mounted a shared windows folder from my LAN, and I changed the mount point's ownership on Linux using command line `chown me:me windir`. but when I enter the mount point, and to create files, it mentioned me 'Permission denied', but the file is actually created on the windows' folder, and its ownership is root:root.
this problem puzzled my programs going to run on it. cause them will detect a system returned error, and terminate in a abnormal way.
Recently, I decided to wipe my system, put in two 250GB hard drives and rebuild my home file and print server. One of the hard drives is a SATA drive, and the other is not. In any event, they are identified as /dev/sda and /dev/sdb in Gparted. So far so good.
Working on (reading from/writing to) the first hard drive (where the OS is installed) is no problem. However, I have had difficulty trying to get my system to recognize my second hard drive and then allow me (nate) to read and write to said second drive. I followed these directions from the ubuntu community web page during installation:
[URL]
and setup my second hard drive with an ext3 file system. The drive is /dev/sdb. The PARTITION is /dev/sdb1. The MOUNT POINT is /media/TheBase250.
The problem(s) begin at this point. I cannot:
1. Unmount the volume at my will-error says that only root can unmount
2. I am not sure if the command sudo chown -R nate:nate /media/TheBase250 allowed me to take full ownership of said drive. It appears as if nothing changes when I run this command in terminal (even when I am root) Moreover, I cannot give myself permission to read and write files to the drive.
3. However, when I open up nautilus, browse to "TheBase250", right-click in the corresponding "explorer" or "finder" window and look at the properties for the drive, it says that "nate" is the owner (under the permissions tab), but again, I cannot give myself FILE read/write capabilities, nonetheless anyone else. When I try, all that happens is the corresponding box goes back to displaying "---"
4. Interestingly, if I skip nautilus and double-click on the drive from my desktop, again, logged in as nate (only user account created) and then proceed to right-click on the window that opens up, click properties, half the time it says that I cannot make changes to the permissions because I am not "nate." Well, last time I checked, I am nate, and this is, albeit delinquent, my computer.
5. Another piece of information that may be helpful is that if I simply right-click on TheBase250 drive icon on my desktop itself, navigate to the permissions tab, the dialogue box says that "The permissions of "TheBase250" could not be determined"
Some additional information that may be helpful is the output from my fstab file. So, for your benefit, here is the output (the stars are not part of the file, but only to help improve readability):
************************************************** *****
# /etc/fstab: static file system information.
#
# Use 'vol_id --uuid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
[Code].....