Ubuntu Servers :: Permissions For A Log File Being Changed?
Feb 23, 2010
I have a recently setup my first linux server (hardy) and am having problems with the permissions for a log file being changed. I believe this is caused by syslogd, but am not sure how to correct it. Bacula will report it is unable to start a backup because it is unable to open the log file (/var/lib/bacula/log) "permission denied". After changing the owner from syslog to bacula, the backup will resume. However, the following day I encounter the same problem because the owner of the log has been changed back to syslog.I see where the permissions for logs are altered in sysklogd, but I am not certain how to make bacula exempt or if this is the right approach.
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May 10, 2011
I've made a really critical and simple mistake and now I am trying to recover my computer. I accidentally logged into root and was trying to change permissions for the current directory with "." but instead used a "/" which started changing permissions of everything from / recursively. I quickly realized the mistake I made after it started and aborted the process by pressing ctrl+C. However I know many things are still not right because, even though I tried to reboot and change the permissions back to 0755 from the recovery mode root console. I still get errors when gnome tries to start..Here is the exact error I am getting. "There is a problem with the configuration server (/usr/lib/libgconf2-4/gconf-sanity-check-2 exited with status 256". I'm pretty sure because of the way I aborted or because of the time the filesystem was running with 644 permissions, some amount of damage was done. Any way to recover it to normal? Or is there a way to recover it from the Ubuntu CD?
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May 11, 2010
on certain folders on a samba-server I would like to allow everyone everything.(Note: This refers to the filesystem-permissions. External security is cared for by samba. No problem here)That means: every local user and every remote user should be able to fully create, delete and modify every file in certain folders and all subfolder of these folders. This should include file contents and timestamps and permissions. And it should include modifying files owned by someone else, again meaning create/delete/modify/timestamp etc.
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Jun 9, 2010
Is it possible to have a text file somewhere that contains a list of all users that are allowed access to a given folder? This would be fantastic for file servers on a network.
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Feb 8, 2011
Is ACL the best way to ensure the permissions of newly created files? Basically I have a directory: /data/department
I've done chmod g+s on it so the group is correct on new files but I want new files to also have 775 permissions so the rest of the group can access these files fully. Currently they are created with the default 755 (which I want still every where out side of /data/department ).
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Mar 16, 2011
Trying to setup a file server for a small group of users and I am in need of help with file permissions with Ubuntu Server 10.10.
I have a single share mapping (ex /media/hdd1/share1). There are several folders that everyone will need read/write/edit permissions and there will be a few folders that all users will need read permissions and a couple of users will need read/write/edit permissions.
I have tried several things and as long as I create the folders/files through ssh using sudo, the permissions are fine, but when the users create file and folders through their computers (mixture of Windows and Mac) that user becomes the owner and no one else can write or edit those files.
I am using SAMBA and though it was a config issue with that but I logged each user directly into the server with the same issue.
I tried sudo chmod 777 /media/hdd1/share1 but all newly created files have the above issue.
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Jun 30, 2011
What is recommended way to set permissions of folders VAR/WWW for use with apache in 11.04? I would like to let the user "ABC" have access to read/write the website files in this directory. How should permissions on these files be set?
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Jun 22, 2009
I upgraded from Fedora 10 to Fedora 11, and it seems that when I saved my main.cf file, something changed in the versions and it no longer works. I've tried going through the file and tweaking it, but it's not working. Here is the postconf
[Code]...
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Jan 14, 2010
This is probably a pretty basic question seeing as I'm pretty new to Ubuntu Server. I'm running a simple website from my Ubuntu Server machine with The files are all stored in /var/www/ and then subdirectories. The problem is that when I add files through FTP I need to go and change all of the file permissions since by default they do not have read access so can't be accessed through a web browser on another machine.How can I make the default permissions readable for the directory and all new files that will be moved in it
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Aug 25, 2010
I'm working on a remote Ubuntu 9.10 server, which is accessed via VPN. I installed Joomla, but had difficulty uploading new components, which I traced to a file permissions problem. I used FileZilla to FTP onto the site and tried to make the chmod changes I needed, but the commands kept failing. Eventually, I contacted the sys admin and told him I thought that there was an ownership problem with the directories. He checked and told me that I was logging in with exactly the same user name and password that he was using (it's not a live system currently) and that he could make chmod changes without any problems. Because all my attempts were still failing, he eventually did the following:
chown -R administrator:administrator /var/www
/var/www is where all the Joomla files are stored and Administrator is the user name.Now I find that when I run a chmod command in FileZilla, the server reports that it worked (see below):
Status:Connected
Status:Retrieving directory listing...
Command:CWD /etc
[code].....
However, if I go back and check the tmp folder permissions, I find that they are still set to 777.This still looks like an ownership problem to me, but I don't understand why the server seems to think that the chmod changes are working, when they aren't.
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Jun 24, 2010
I recently got a T-Mobile Tap and I've been trying to connect it via USB to my laptop running Lucid.When I open up the icon that shows up on my desktop after connecting it, I can't run the setup files inside. It says: The file '/media/HUAWEI/checksetup.exe' is not marked as executable. If this was downloaded or copied form an untrusted source, it may be dangerous to run. For more details, read about the executable bit.When I try to change the permissions from ready only, I get: Sorry, could not change the permissions of"checksetup.exe": Error setting permissions: Read-only file systemCan I tried calling T-Mobile but they said they don't troubleshoot with Linux. They said it's an "older operating system".
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Jul 28, 2011
I have a web server set up, and for a while I just let it show the default "test" page, but now I am wanting to actually show something of my own.
I downloaded a couple templates from the internet (free ones), and copied the first one to the /var/www/html folder (including subfolders for ./images and such), and it used an index.php file, but when viewing in my browser, it showed the actual text of the file, not the graphics and images and stuff.
So I deleted those files and "installed" the second template, which uses an index.html file instead.
I am once again getting the default "Apache is running but not configured" page again, even though I have verified multiple times that the index.html file is located in /var/www/html
if I include the index.html file in the path to my website, I get a 403 Forbidden, so I'm thinking it has to do with file ownership or permissions.
I placed the files there as "root", and have tried several combinations of possible permissions (root:root is the owner:group) without any luck.
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Apr 27, 2010
I have a little problem: I have a share folder on Ubuntu server: - Dump That folder is share with SAMBA and everyone can put files on it
My problem is the following: When someone create a folder, the folder permissions are automatically set with:
(let's take my username: Yann)
Owner: Yann
Group: Yann
Clearly that's wrong.. I want the Group to be auto set has "users" so everyone can access the folders on that share. Anyone know how to change this ? chmod and chown is getting a bit boring
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May 5, 2010
I had a major raid event recently which caused my Ubuntu 9.04 server to recover part of its file journal on the system partition. This caused some of the file permissions to go all funny and I now need to change them manually.
What the file permissions should for the following folders:
/etc/
/home/
/lost+found/
/mnt/
/root/
/sbin/
/srv/
/tmp/
The server is running and I fixed the some of the ownership issues already. I use a basic LAMP setup with samba, and proftp.
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Jun 26, 2011
Looking for some help writing a simple script on my dapper server. I want the script to play a short 5 second wmv sound file. So I can tell another program to run the script. What player can or should I use and how can I set permissions on the file and script so my program has access to it . Total newb here
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Apr 8, 2010
I have an NFS server on Windose Server 2003. I use it to back my Linux/Solaris databases up to. I mounted the NFS share on the Linux box. I was testing the permissions to it, and accidentally did a chown sybase:sybase /OLBackupOLBackup is the root directory of the NFS share. When I did the chown command, it changed the permissions on the share. Now it seems that linux is controlling the permissions. In windose I cant add users/groups. How can I remove Linux from owning the permissions. Im not sure if this is a windose issue or a linux issue, but figured I would start asking here first.
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May 9, 2011
just be aware of this in 13.0 and previous, assigned user numbers begin at 500 by default. in 13.37, they begin at 1000. this is especially important if you have a separate drive or partition mounted as /home and you want to keep your /home data under the same user name while migrating to 13.37 (and like me are keeping a dual boot while making the transition).
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Jan 23, 2011
Every time I try to change file or folder permissions on a separate internal drive in ubuntu 10.10 desktop in sudo file manager, It sets it right back to the way it was before and doesn't save the permissions I want to change it to. The files aren't critical system files that are not even existent on this hard drive.
Its on a completely separate drive, Yet aren't I suppose to be in control of what gets changed to what? Instead of a Operating System doing something just for my safety? A simple AVI files permissions being changed shouldn't hurt anything. How to I stop ubuntu 10.10 from auto setting the permissions of my folders and files? Its really starting to me off right now. I've been looking around on google for Auto reset permissions for ubuntu, Haven't found one word about it. Yet I'm just going to assume someone might know how to resolve this? Or has dealed with this before.
I'm just trying to Forcefully set my folders on my separate drive all to 777 because they are all 775 and 755 and I can only access them with Write privileges if I run the SUDO file manager which I really hate having to do every so often I'm sure you can relate to how annoying it is to have to open up terminal and type something in to open a fully priviledged file manager.
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Sep 28, 2010
I changed the permissions of /etc/sudoers trying to make it writable using following command:
sudo chmod o+w /etc/sudoers
and now when i try to use the sudo command i am getting the following error:
/etc/sudoers is mode 0442 should be mode 0440
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May 23, 2010
I did a clean install from Ubuntu 09.04 to 10.04 and restored my files from tar.
Everything worked fine until I tried my weekly rsync backup.
The permissions seemed to be causing problems, so I recursively changed all the permissions in my home directory:
Code:
~/Documents$ sudo chmod -R 644 /home/wolf/
[sudo] password for wolf:
chmod: cannot access '/home/wolf/.gvfs': Permission denied
So now all the directories and files have read permission for everyone:
Code:
~/Documents$ ls -A
ls: cannot open directory .: Permission denied
~/Documents$ sudo ls -lA
[sudo] password for wolf:
total 80
drw-r--r-- 2 wolf wolf 4096 2010-05-22 20:45 career
drw-r--r-- 23 wolf wolf 4096 2010-05-02 17:17 computer_languages
drw-r--r-- 2 wolf wolf 4096 2009-08-09 23:29 .ecryptfs
drw-r--r-- 21 wolf wolf 4096 2010-05-02 17:23 misc
-rw-r--r-- 1 wolf wolf 27298 2010-05-23 13:01 next.odt
drw-r--r-- 3 wolf wolf 4096 2010-05-23 15:46 PC_maintenance
drw-r--r-- 5 wolf wolf 4096 2010-05-08 01:43 software_projects
Now I can't even look at my own directory:
Code:
/home$ cd /home/
/home$ ls -lA
total 20
drwx------ 2 root root 16384 2010-05-07 01:01 lost+found
drw-r--r-- 42 wolf wolf 4096 2010-05-23 15:35 wolf
/home$ cd /home/wolf
bash: cd: /home/wolf: Permission denied
/home$ sudo cd /home/wolf
[sudo] password for wolf:
sudo: cd: command not found
/home$
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Oct 25, 2010
I recently upgraded from Lucid to Maverick, and I noticed that a new error message caused by a "cp" command call, including the hard links option. Fortunately, I kept the last Lucid kernel (2.6.32-25), so I could check the different behavior with booting successively on each kernel. Here are my configuration files:
On the server (192.168.1.2):
/etc/fstab :
UUID=... /mnt/Backup ext4 defaults,errors=remount-ro,relatime,async 0 2
/etc/exports :
[code]....
If I check permissions of /net/Backup/Folder2 from the client, I get :
owner = nobody (Create and Delete files), users (Access files), others (Access files)
cp -alR /net/Backup/Folder1/* /net/Backup/Folder2
- under kernel 2.6.32-25: no problem
- under kernel 2.6.35-22: all the subdirectories are created, but all empty; moreover, I get as many messages as number of files from the source:
"cp: cannot create the link ...: operation not allowed"
I can copy manually any file to /net/Backup/Folder2 from the client. Why the behavior has changed from kernel 2.6.32-25 to kernel 2.6.35-22 ? Should I modify the permissions or the way the mount is exported with options like "(no_)root_squash", "all_squash", or "anonuid", "anongid" ?
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Nov 26, 2010
I'm using rhythmbox and a classic ipod. A couple of times I have managed to write podcasts to my ipod. I'm not sure how I did it but it doesn't last. I have tried lots of random things from forum posts. When I try to change permissions in nautilus they change back straight away. I have my name as owner and group. I have the Lynx Ubuntu OP.
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Mar 16, 2010
I encountered a problem when I am trying to access my phpmyadmin the error came up: Wrong permissions on configuration file, should not be world writable!
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Feb 2, 2010
Something has changed all my file permissions to read only and when I try and change them back it wont let me. Is there something I can do i Nautilus to correct it?
It even effects the waste basket-all the stuff in there is now read only and when I delete items I get a file operations window, which comes and then goes like its deleted them, but they re still in the waste basket, doesnt show an error message like it does if I try and move any other file.
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Aug 12, 2010
I wrote a C++ program that uses serial port in fedora. Since normal user has no permission to read/write to /dev/ttySx, the program doesn't work. if I changed the permissions using chmod in su, it will works for that session. When restarts the permission changed to default again. So what to do a normal user program to access /dev/ttyS0?
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Jun 21, 2010
One of our client was complaining that their server was down and mysql and apache services were down. The server is Ubuntu 8.04. When we checked, the permissions of /etc/init.d/mysql and /etc/init.d/apache2 were changed to 644 from 755. How could this be possible?I need your valuable suggestions on how can i monitor whether any malicious intrusions or scripts are running.
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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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Feb 1, 2011
Now I have set up a terminal server at work, with Ubuntu 10.04LTS and Free NX terminal server. All works great, over all expectations. But I have some file permission problems. In the home folder I have mad a folder where files that all users should have full access to is put. The problem is that when a user puts a file there, only that user have full access to that file, other users only have read rights. How can I make it so that all files put in this folder have full rights for members in the group "staff"?
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Dec 23, 2010
I accidentally changed my user permission while setting up a new user account and am now unable to access the "system" on the panel to change things back. I've just spent hours setting everything up and downloading and hope that I don't have to go through all of that again.
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Nov 25, 2010
the permissions for my home directory were accidentally changed from 'access files' to 'create and delete files', and I changed them back, but ever since then I am not able to change any preferences/settings at all. power management, themes, panels, emerald, anything. my user account is supposed to be the administrator, and all the user privliges are checked. how to get control of my computer back?
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