General :: Permissions So Directory Can Only Be Read By Script Not Browser?
Jan 20, 2009
I have a CMS that has a brilliant backup option with one flaw, it can only create a full backup in a directory inside the web root. In this case /var/www/site/backups. This is not practical for security as the resulting tar.gz file contains a full mysql backup as well as other items that the general public shouldn't be downloading.What permissions do I need to set so that the directory /var/www/site/backups cannot be browsed to in a browser but can be read / written by the CMS when a PHP script calls it?
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Mar 31, 2010
I have created directories in root. I am looking for the chmod command to allow all users read and write permissions to a specific directory. I have done chmod 775 for a file but I need this for a directory. This includes permissions on all files and sub directories.
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Mar 21, 2010
I'm using ubuntu 9.10. I used the command:
root@aduait-laptop:~# sudo chown -R root:root /media/104B-FF96/Private to set the permissions of Private folder for root but it is giving error:
Code:
root@aduait-laptop:~# sudo chown -R root:root /media/104B-FF96/Private
chown: changing ownership of `/media/104B-FF96/Private/5.jpg': Operation not permitted
chown: changing ownership of `/media/104B-FF96/Private/6.jpg': Operation not permitted
chown: changing ownership of `/media/104B-FF96/Private/7.jpg': Operation not permitted
[Code].....
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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 5, 2010
I have a very large and deep directory. I would like to make all of it read only. The problem is I guess I have to distinguish between files (which will get a=r) and directories (which will get a=rx).How can I do that?
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Mar 19, 2010
Recently updated the kernel in Ubuntu 9.10 and for some reason now, a folder which was not read-only now is. I can't delete anything from it. Have tried using the GUI for changing permissions, however, it has a mind of it's own and won't unlock the folder.
Anyone had this happen where a folder locked when you didn't want it to be?
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Jun 14, 2011
What I want to be able to do, is have create a group, for example called "group1" and set its default permissions to read & write, instead of the usual just read.
So when I add a user into "group1" they automatically have read & write access to all files & directories which is in "group1".
Oh & I use crunchbang 10 (statler) for my desktops & Ubuntu 11.04 for my NFS/print/SSH/etc/etc server
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Dec 17, 2010
Is there a Linux command, or a series of commands, which will allow me to get the permissions of a file in "0644" format?
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Jul 4, 2011
I'm pretty new to Linux. Though I've used it for a little bit, I barely know any shell commands. I recently migrated from Mint to Fedora. Installation went fine and I thought I was doing great until I tried to copy something onto one of my ntfs partitions (I got them automounted through changing fstab). Now I can't change the permissions with sudo chmod... it says I can, but nothing changes. And, while the folders are listed as allowing rw for the user group I set up, I can't actually change anything. I'm guessing I've done something wrong with my fstab file.
My fstab file is:
Code:
I should probably note that I'm using NVIDIA fake RAID 0, which is why my device locations are all /dev/mapper/nvidia_fcficeibp#
The command I have tried to change permissions is:
Code:
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Mar 2, 2010
Binary files need only execute permission to execute. No read permission is required. But all executable files must be read by the kernel into main memory before executing. Also script files need both read and execute permissions for executing the file.
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Jul 8, 2010
I own a particular file on a Linux system. I would like to give 2 groups (accounting, shipping) read access and only read access, and 3 users(Mike, Raj and Wally) write access and only write access. How can I accomplish this?
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Mar 14, 2010
I've hit a wall here; I'm attempting to find some way by which to view files and cd into directories on a device mounted read-only. So I need the permissions to read, write, execute (and the same with directories), but chmodding is out of the question because I don't want to alter the drive one iota.
I guess what I could do--what I was thinking of initially--was to dupe the whole drive and then mess with permissions. This wouldn't affect the original (actually I'm working on a duplicate of the original, but I'm treating it as if it were the original) but I was hoping for something that would maintain data integrity. This is a forensic application and not altering the data is very important.
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Oct 26, 2010
This is on a customized Ubuntu 10.10 LiveCD. I have a directory which the default user "ubuntu" owns, and the permissions on the directory is 777. I'm unable to cd into the directory as ubuntu user. However as root user I'm able to access it. What could be the reason? I'm able to view the directory in nautilus.Note: I originally copied the folder over from an NTFS disk.
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Oct 20, 2009
I am confused that what should be the permssions of home directory because currenlty my users when they log into their home directory , they can see all the contents of /home directory as well..However if i take read all permissions then my sites are not accessible , what should i do The current permissions are 755
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Jun 30, 2011
I'm trying to create a script that when given a diretory, it goes traverses through all the subdirectories and process the files in them.However, there is one restriction.directories thatit traverses through must all have a read permission for the others group.How would I go about doing this?
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Oct 6, 2010
I want to simply mount an ext4 file-system onto a normal mount point in Ubuntu (/media/whereever), as read-writable for the current logged-in user, i.e. me.
I don't want to add anything into /etc/fstab, I just want to do it now, manually. I need super-user privileges to mount a device, but then only root can read-write that mount. I've tried various of the mount options, added it into fstab, but with no luck.
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May 23, 2011
I have a system where the permissions of many files are messed up. I have another system that has the same files, if I put that hard drive in, without simply overwriting the files, is there a way where I can recursively set the permissions of each file to that of this other directory?
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Sep 22, 2010
Not sure if this was the right place to post this. Recently installed Ubuntu Netbook remix on my netbook. On Windows I used IIS and pointed my website to a directory full of video files all in .avi containers, enabled directory browsing and could watch files in the browser on my PS3.
I'm wondering how I go about doing this in Apache? Since there isn't any GUI to do it for me like in IIS :P.
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Mar 30, 2011
I am trying to setup 2 individual FTP users. They should both have access to the same directory. They both need to be able to read/write into the directory. But, I want them not to be able to write to each other's files (e.g. delete, remove, rename, etc.).
So let's say the shared directory is: /home/ftp/shared/
UserA needs read/write access to /home/ftp/shared/. UserA should only have write access to his own files. UserB also needs read/write access to /home/ftp/shared/. UserB should only have write access to his own files.
It would be a unix box of sorts, but that is the only restriction. I could use whatever software. I am currently thinking pure-ftpd or vsftp but I am open to all ideas.
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Jul 18, 2011
I have a directory that needs to be owned by nginx user and I need to access it via other users in order to add/edit/delete files in it. So I created a group called www and added both then chgrp -R on the directory. However I am still getting a "unavailable to access no permissions" sort of error in my SSH/SCP/what ever you want to call Mac's Transmit.
ls -a output
drwxr----- 3 nginx www 4096 Jul 17 23:56 nginx
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May 24, 2010
i just installed RHEL 5, when iam trying to create a directory or file it is not creating ...
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Jun 29, 2010
Every time I update certain packages with rpm/yum, they reset certain permissions on their files / directories which I have intentionally changed for various reasons. Is there a way I can override the permissions that the packagers have specified in the RPMs, and force it to keep the permissions/owner/group that I've set?On a Debian system, I would just use "dpkg-statoverride". I can't find any equivalent for RPM systems (CentOS 4 & 5 in my case).
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Jan 25, 2011
How to set the default file permissions on ALL newly created files in linux - but differs in important ways:
I want all files created in (or copied to or moved to) a certain directory to inherit a set of default permissions that is different from the system default.
Rationale: The directory in question is the "intake hopper" for an application. Users in a group place files in the directory, and the app (running under another user id in the same group) takes them and processes them. The problem is that the owner of each file placed in the directory is the user that placed it there, and the permissions are defaulting to "rw-r--r--"; I want to change that to "rw-rw----". The app doing the intake can't do that explicitly, because the user id the app is running under doesn't own the file in question, and the default permissions don't allow the app to chmod on the file! Obviously, the user could do a chmod after putting the file there - but I want to keep the "drop" by the user as simple as possible. (These folks are not linux-literate, they just drag and drop the files from their windows desktop to a (Samba) network share - i.e. they don't even know they are interacting with a linux system.)
umask seems too powerful: I don't want to set default permissions for every file created anywhere by these users - just those created in (or placed in) this directory.
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Apr 14, 2010
I am using Red Hat Linux 4 .There are some few questions in my mind related to umask. I want to know that is the default file and directory permissions ?
- When we use umask (022) command in terminal. and create a new file then the permissions applied for new file is for that session and when the system will reboot linux will take automatically its default permission from etc/bashrc or /etc/profile ?
- Can we make our own umask or the professional way is to follow 022 only ?
- What is the benefit of umask in Linux?
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Aug 13, 2011
i am trying to write a script that does the following..1. checks if a directory exists2. changes permisssions of the directoryi have written a script but it returns a message to say that the specified directory does not exist (but it does).my question is how to i search the entire file system as directory could potenially be anywhere. would cd or su be of any use here.
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May 20, 2010
I am using RHEL 4.4. Last time when I reboot my server it generate an error, and mention to run fsck command in repair mode. When I ran, this fix some problems, but after that it generate an error of gdm and X11 services after showing login sceen and getting user name and passwod. But I login via putty from a remote system. So, when I tried to make changes like create directory or file or even tried to make any change in any file it generate an error that " you can not make changes in read only file system".
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Nov 29, 2010
I have written a script which reads a text file and takes out absolute and relative paths embedded in the text file.Then the script looks for a string in some text files mentioned in those paths. The problem I am facing is that since these paths are from my working directory,if I try to run the script from a different directory the paths are not read.
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Jan 18, 2010
I'm under linux . by default, other user can't read anything under my home directory. let's see my home directory is /home/superman , and I tried to use
chmod +r /home/superman
to let others can acess files under my home directory , but it does not work .
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Mar 3, 2010
I was wondering what is the difference between directory execute and read permission?Also, how do I recursively remove executable permission from a dir, but just apply it to normal files?
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Mar 2, 2010
Does anyone know why files in my /tmp directory are not able to rm even using root login? not only that, I can't even chmod or do anything to files in /tmp directory... it always saying "read only file system" warning
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