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Questions tagged [permissions]

In computing, permissions (often called "privileges," "access rights" or just "rights") are rules associated with objects on a computer or network. Permissions determine which objects can access which objects, and to what extent.

In computing, permissions (often called "privileges," "access rights" or just "rights") are rules associated with objects on a computer or network. Permissions determine which objects can access which objects, and to what extent.

For example, file permissions are rules placed on a filesystem object defining which accounts are allowed to access the object, and what actions those accounts can take on the object, such as read, write and/or delete.

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How do I change the NGINX user?

I have a PHP script that creates a directory and outputs an image to the directory. This was working just fine under Apache but we recently decided to switch to NGINX to make more use of our limited RAM. I'm using the PHP mkdir() command to create…
David
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What Should be the Permissions of Apache SSL Directory, Certificate, and Key?

I have my cert.pem and cert.key files in /etc/apache2/ssl folders. What would be the most secure permissions and ownership of: /etc/apache2/ssl directory /etc/apache2/ssl/cert.pem file /etc/apache2/ssl/cert.key file (Ensuring https:// access…
JP19
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linux/setfacl - Set all current/future files/directories in parent directory to 775 with specified owner/group

I have a directory called "members" and under it there are folders/files. How can I recursively set all the current folders/files and any future ones created there to by default have 775 permissions and belong to owner/group nobody/admin…
Maverick
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What is the first digit for in 4-digit octal Unix file permission notation?

3-digit: 644 ugo (user group other) 4-digit: 0644 ?ugo (??? user group other) What is the first octal digit for in 4-digit octal Unix file permission notation?
Steven T. Snyder
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What does the @ symbol mean in a file's permission settings?

I'm on MacOSX, I did ln -s on a directory and these are the results: -rwxrwxr-x@ 1 shiki admin 970332 Mar 6 16:38 apc.so -rwxrwxr-x@ 1 shiki admin 653884 Mar 6 16:38 eaccelerator.so -rw-rw-r--@ 1 shiki admin 60064 Mar 6 16:38…
Shiki
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nginx: no permission to bind port 8090 but it binds to 80 and 8080

I'm struggling with some strange permission related behavior: when I configure nginx to listen to port 8080 everything works as expected, but when I use any other port I get something like 2014/01/10 09:20:02 [emerg] 30181#0: bind() to 0.0.0.0:8090…
frans
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MySQL: creating a user that can connect from multiple hosts

I'm using MySQL and I need to create an account that can connect from either the localhost or from another server, i.e. 10.1.1.1. So I am doing: CREATE USER 'bob'@'localhost' IDENTIFIED BY 'password123'; CREATE USER 'bob'@'10.1.1.1' IDENTIFIED BY…
DrStalker
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Prevent the possiblity of writing data to an unmounted mount point directory

I have an Ubuntu server where I'm automounting an external hard drive each boot. To do this, I've created an empty folder on the root partition, and the drive gets mounted "inside" this folder. However, what if I perform a backup to this path when…
LonnieBest
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How to allow a user to use journalctl to see user-specific systemd service logs?

I am running user-level services in Ubuntu 16.04 LTS. For example, I have my test.service located at ~/.config/systemd/user/test.service. I was able to run the service by doing systemctl --user start test.target However, when I try to read its log…
ChromeHearts
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Why was I able to delete a file owned by root in my home directory without being root?

So I was doing some maintenance on my server earlier today and noticed I was able to delete a file owned by root in my home directory. I was able to reproduce a sample: [cbennett@nova ~/temp]$ ls -al total 8 drwxrwxr-x. 2 cbennett cbennett 4096 Oct…
Carl Bennett
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chown on a mounted NFS partition gives "Operation not permitted"

I have a remote partition that i have mounted locally using NFS. 'mount' gives 192.168.3.1:/mnt/storage-pools/ on /pools type nfs (rw,addr=192.168.3.1) On the server i have in exports: /mnt/storage-pools …
Disco
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Gaining administrator privileges in PowerShell

I only have one account on my Windows Vista machine, and that user has administrative privileges. However, when I try to execute a command within PowerShell to kill a certain process, I'm greeted with an "Access is denied" message. How do I become…
Brian
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How do I clear the "s" permission on a directory in Linux?

I have a directory that is showing up with the permission mask drwsrwsr-x. When I try to reset the permissions to 755 the S still remains. What is the "s" and why cant I change the permissions back to 775 (drwxrwxr-x)?
Matt Elhotiby
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Linux: how to give a user permission to restart apache?

I have a script running under a non-root user which, under certain conditions, should restart apache httpd. What would be the simplest way for me to allow the user to do that? I'm using Ubuntu Server 8.04 LTS.
itsadok
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Bash Scripting: Require script to be run as root (or with sudo)

I'm trying to write a bash script (in Ubuntu) that will backup a directory using tar. How can I do a check in the script so that it can only be run as root (or with sudo)? For instance, if a user runs the script, it should say that this script must…
Cory Plastek
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