Software :: Version Controller (keep Track Of Changes) And Permissions / Ownership
Aug 1, 2010
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...
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Jan 1, 2011
I 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.
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Sep 15, 2010
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 .
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Jan 16, 2010
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]...
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Jan 18, 2010
After 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?
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Aug 30, 2010
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?
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Apr 19, 2011
I 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.
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Jun 4, 2011
I 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.
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Aug 9, 2009
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?
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Oct 14, 2009
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?
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Jan 16, 2010
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
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Feb 12, 2011
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?
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Apr 30, 2010
Anyone know a way to track who is changing permissions of a specific directory?
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Jun 18, 2010
I can not get the node or cloud controllers to startup using the init.d scripts. I have a fresh install of CentOS 5.4 with Eucalyptus 1.6.2 I have compiled Eucalyptus and all packages using the RPM supplied from Eucalyptus and utilizing yum installer. I do not currently have any processes or applications listening currently on the ports on the boxes as well. I think it may be a permissions issue or something because I get a "permission denied error", but I am not sure if it is Eucalyptus or CentOS. It looks as if it is not binding to the address on the interface of the NIC. It may be something else however. I have the Node controller, Cloud controller, and Cluster controller on seperate physical boxes. When I try to run either the cloud controller or the node controller I get this message:
Cloud Controller:
[root@cluster-cont ~]# /etc/init.d/eucalyptus-cc start
Starting Eucalyptus cluster controller: (13)Permission denied: make_sock: could not bind to address [::]:8774
(13)Permission denied: make_sock: could not bind to address 0.0.0.0:8774
[code]...
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Sep 15, 2010
Basically i want it so that the analogue stick on my PS2 controller, which connects via a USB adaptor and is recognized, correctly controls in game characters. It seems to work fine enough in platformers, at least it does with Banjo Kazooie, but with games like perfect Dark it seem to be trying to move forward and look down at the same time, also backward and look up simultaneously and look sideways and move sideways simultaneously , rendering the game all but unplayable.
I have tried running jscal and, apart from the fact that it seems a bit beyond me, it reports "jscal: missing devicename" when i try to run "jscal -c". Do others out there have there analogue sticks working correctly with games like Perfect Dark, or the James Bond games, for example?
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Aug 30, 2010
I am currently using the windows version of gVim to edit source files on a networked drive mapped to a linux system, as well as local files created in cygwin.
The problem is that the windows version of gVim destroys the original file permissions on the respective systems. IE: Files on cygwin are defaulted to 077. When edited by the windows version of vim they are saved as 777.This problem doesn't even occur when using ms-notepad (as well as all other editors I've tried), so I am not quite sure why gVim does it.
A possible solution would be to use cygwin's gVim for everything, but that's rather cumbersome as it requires running an x11 environment to support it, and it causes some problems when running some commands from within gVim (or vim for that matter) when working on the networked drive.
Any ideas how I might be able to maintain the existing file permissions?
This morning while on a different machine the problem with cygwin did not occur. Cygwin & gVim were the same version, however the other machine is running WinXP while the machine the problem is occurring on runs Win7.
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Apr 28, 2009
At the school i work in i have a server2k3 server that provides a domain to all the windows clients, aswell as a fedora server that acts as an imaging machine and webserver.
Im rather concious of the fact that if for any reason the Server2k3 server was to die there is no backup of active directory, or anything that can take its place whilst a replacement is found.
So is it possible to use a fedora machine with samba as a secondary domain controller? so it can be used as a login server, and has a copy of AD.
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Mar 15, 2010
I have a problem with my external hdd, I mounted it manually and in the mount table it says ive got rw permissions. But when i try to change permissions it says:
chmod: changing permissions of `whatever': read-only filesystem.
This is my mount table:
[root@localhost ExtHDD]# mount
/dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw)
none on /proc type proc (rw)
none on /sys type sysfs (rw)
[code]....
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Oct 16, 2010
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?
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May 31, 2011
Problem: permissions for rsync and BackinTime. Setup: Ubuntu 11.04, Two internal HD, #1=main, single boot, #2=backup drive. Question: How do I set up my 2nd HD with correct permissions? Background: I had previously a dual boot XP+10.04 with a 2nd HD formatted as NTFS. With this I was able to use my rsync and backintime to my 2nd HD with no issue. My new set up is EXT4 on both HD.
(I even tried to reformat my 2nd HD as NTFS, but that didnt fix the issue) I followed [URL] to mount the 2nd HD and get permissions. But now when I run backintime i get this error: [E] Error: rsync: opendir "/home/myhome/.ssh" failed: Permission denied (13) I did my requisite reading for a newbie, and am stuck. I ran backintime as root, and it backed up ok. How do I run my user version of backintime? (i.e. How do I fix the permission issue?)
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Mar 16, 2010
Is it possible to reset apache 2 permissions to default permissions I'm using Ubuntu 9.10 command line server, would webmin give me this access ?
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Oct 9, 2010
I 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.
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Feb 10, 2010
The previous writer gave instructions for editing fstab. He said to enter something like the following line in fstab:
/dev/hdb1 /media/harddrive ext3 defaults,errors=remount-ro,users,user_xattr,user 0 0
My partition is: /dev/sda7.
I created a folder in media: /media/8g
The file system is: ext2 (Do I need the "defults" instruction? What does this do?)
errors=remount-ro (I think I understand this)
[Code]....
He also said, after this was all done, to enter the command: sudo mount /media/[my new partition]
Since it's already mounted? What does this command accomplish?
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Feb 19, 2010
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]
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Jun 30, 2010
how to change the ownership of a folder and everything within it through the Terminal. chown, in this case, isn't going to work.
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Jul 7, 2010
I 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.
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Nov 7, 2010
I have an external usb hard drive, vfat, mounted as /media/USB STORAGE. It has on it's own(?) changed it's ownership to root. I need to change it back. I have tried 'sudo chown -R pbhill : pbhill /media/USB STORAGE' and get the message that no such file or directory exists. I can access it read only, so I know it exists. Am I using the correct command?
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Jun 7, 2011
I recently installed ubuntu 10.04 on a new system and installed Virtual box to run a virtal Windows environment. I also added an additional 2 Tb hard disk to the system that will be used to store the virtual machine(s). I managed to add the hard drive in ubuntu and it is recognized as DriveD_ in the Media folder (don't ask me how i did it ... trial and error). I am the owner of this folder. In the media folder there is also a folder named DriveD, and this is an empty folder. The owner of this folder is Root. When I start Virtualbox, Windows starts up normally, and recognizes the second drive D (which I partitioned and formatted before). After closing the Windows, Virtual box and Unbuntu, the mystery begins. When I start Ubuntu, the DriveD_ folder is not visible and I cannot start the Windows virtual machine (error message: VD: error VERR_FILE_NOT_FOUND opening image file). When using Tux Commander, I do not see DriveD_. When I use Nautilus to go to the same Media folder, both folders are visible (DriveD and DriveD_). When I open Drive_, the Virtual machine files are present. After doing this, I can start Virtual Box and start Windows normally. I think it has someting to do with the ownership of the second hard drive that I added (maybe I made a mistake attaching it in ubuntu?) Has anyone experienced this before?
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Aug 4, 2010
I am running a shell script as the user "redhatuser01" and this script creates a files in the home directory of another user "redhatuser02" (/home/redhatuser02/sample.txt) but the ownership of this file is currently "redhatuser01". How can i change the "ownership of this file to the user "redhatuser02"? (My constraint is that I cannot sudo as redhatuser2 and create the file).
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Jan 30, 2010
Is there any working commandline alternative to # find /some/dir -group xxx -user yyy | chown xxxxx:yyyyyThe main purpose is to replace ownership and goup of certain files in subdirectories. Or nevertheless I need to write shell script for that simple operation ?
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