Questions tagged [permissions]

Short for "file system permissions" - access control based on user, group, or global access.

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What determines default directory permissions? [duplicate]

In Linux when I create a directory mkdir newdir then the newly created directory has these permissions and ownership: drwxr-xr-x 2 owner group My Question How can I make the default permissions for ...
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1answer
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No permission to access to any usb drive

On Ubuntu 20.04 recently cloned from a USB drive to my internal SSD, I can't access to any USB drive. It gives me for every USB sticks I plug into my computer. I verified that I had access to them ...
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systemd --user unit, mapp .img as loop device

I want to use a systemd --user .service to map an image file to a loop device at user login. The the service resides in /etc/systemd/user. [Unit] Description=Setup loop device [Service] ExecStart=/...
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1answer
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Unable to write to Database file

I have set up a raspberry Pi 4 to use as a data server. It runs a Mosquito server with a Node-Red interface handling messages from various ESP32 modules feeding in data. Node-Red interfaces with a ...
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umask command to allow a specific user in my group write access to a specific directory

I am a user of a group. I need to be able give another user of the same group write access to a specific sub-directory under my home directory. If I cannot allow write access to a specific user, how ...
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BUG : I can't copy any file inside the Trash and the Trash seems always full of unwanted items but there is nothing inside

I've reinstalled ubuntu 20.10 and I'm experimenting this error : Error during the copy of "file" inside trash:/// operation not supported how to fix that ? basically I can't copy any file ...
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Jenkins + Maven project permissions

I have Maven project which should run as Jenkins job. But while clean goal try to delete target directory I am getting an error Failed to execute goal org.apache.maven.plugins:maven-clean-plugin:2.5:...
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1answer
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Ubuntu 20.04 + Jenkins - access denied and directory does not exists

I have VSP with Ubuntu 20.04 and Jenkins installed on it. Also have a Java Maven test project which should run as Jenkins job. Few hours ago everything worked well. Then I added one new feature to the ...
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second internal drive mounting for nobody/nogroup

Ubuntu 20.10 This has only recently started happening. Before today (the first I noticed I don't have write permission on the drive.) I have had free access to the drive. The mount point is owned as ...
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1answer
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I need help to write a bash script for remove and change the permissions that I gave to my ubuntu 20.10 installation files by mistake

I need some help to write a specific bash script to fix the permission problems that prevent my ubuntu 20.10 from booting properly. Basically this script should : remove the +x permission from each ...
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How do I mount a network share as a shared folder in an Ubuntu guest using VMware Workstation?

I am using Windows 10 v2004 as my host OS, VMware Workstation 15.5.7 as my type 2 hypervisor and Ubuntu 18.04 LTS as my guest OS. I can successfully mount local folders of my host as shared folders in ...
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pulseaudio-dlna permissions

I am running Ubuntu 20.04. I start pulseaudio-dlna with sudo but I still get ERRNO 1 operation not permitted (I also tried without sudo and got the same results). How do I get the pulseaudio-dlna to ...
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Subfolders of root directory are not accessible by desktop applications

When I create a subdirectory of the root directory sudo mkdir /bla sudo chown myuser.myuser /bla then when I try to open a file using a desktop application like The Gimp, I cannot access the ...
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1answer
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Ubuntu Server Install for Plex - not using HDD just small NVME

On an unused machine that was formally a windows pc I have installed Ubunutu Server and then installed plex. This, through a process of trial and error, is working. I had a number of media files on ...
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Installing Themes to open EDX

I'm new to Ubuntu and using 20.04 and trying to configure my open EDX, I'm trying to set my theme up and I'm unable to edit the files within the edx directory due to not having permissions. The ...
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docker container stop denied by apparmor

I use docker 19.03.13 installed from snap on my 20.04 machine. Long time all works well but now I can't stop containers that I have started as unprivileged user. Stopping as root as also not possible. ...
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Configuring Apache2 (latest) for Localhost Only Ubuntu 20.04lts desktop

I need some help configuring Apache2 to work on my Ubuntu 20.04lts pc. I am a beginner working with Ubuntu and setting up a server so I kind of need things explained for a novice. The purpose is to ...
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Noacl mount option has no effect. Trying to let all users write to ext4 on USB drive by default

When I click on a USB drive filesystem in Files to mount it, this mounts it to /media/$USER/label. This lets my user read/write to the drive if it's NTFS or FAT32, but fails to let my user read/write ...
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Terminal mv Permission [closed]

I am trying to move some files from my home directory to a USB device, but I'm getting this message every time: Last login: Thu Feb 25 15:03:56 on ttys000 kat@Kathleens-MacBook-Air-2 ~ % mv ~/...
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1answer
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Cannot see Apache2 in Browser Ubuntu 20.04lts

I have installed Apache 2 in Ubuntu 20.04lts and have confirmed it is running and I have configured UFW to allow Apache Full and have confirmed they are running. However when I put the Local IP ...
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1answer
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nfs share accessible from one computer but access denied from another one

I set up a nfs share on my raspberry pi following this : https://www.raspberrypi.org/documentation/configuration/nfs.md My /etc/exports looks like this : pi@nextcloudpi:~ $ cat /etc/exports /export ...
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2answers
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Why a file generated with sudo is not owned by root?

I run the following command in a terminal. sudo tcpdump -c 2 -w /tmp/z.pcap icmp Then run the following command in a terminal. ping 8.8.8.8 The file generated belongs to the user tcpdump instead of ...
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1answer
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*Error Permission denied (publickey)* Does Windows 10 Powershell Support OpenSSH Public Keys with Ubuntu 20.04

Yes I know this a Ubuntu forum.. First off all thanks for doing what you do and helping people! Alright so I've been trying to setup SSH keys on my Ubuntu 20.04, read stuff about it online. So I ...
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1answer
54 views

How can I allow a user to set ip interfaces

I would like to allow a specific user or a group to manage ip interfaces with commands like ip link set dev $DEV_NAME up ip -4 addr add $DEV_ipv4_ADDR dev $DEV_NAME Without superuser privileges (sudo)...
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2answers
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Admin user cannot access ONE folder in a samba share

I am running Ubuntu 20.04.2, an up until today my samba file server was running great. Today However I cant access my main folder. (I am connecting through a windows 10 PC) It says: Windows cannot ...
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Why does ACL have permission restrictions?

I am using the dropbox client on my ubuntu. I have a need for user www-data to be able to create files inside folders created by user dropbox. I configured using ACLs to inherit permissions rwx for ...
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1answer
21 views

Logged in Sudo User keeps getting Permission Denied Messages

I have been trying to install a LAMP setup on a linux PC under Ubuntu 20.04lts. I am the primary sudo user and I keep getting "permission denied" messages when trying to save nano files and ...
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How to remove app permissions to change microphone settings?

My microphone has background noise when the Capture setting is set to 100. I read this solution, reconfigured and executed sudo alsactl store to keep the configuration. But here's the catch, doesn't ...
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Permission of launching C++ application in terminal with ./ or with the pathfile

I'm a bit confused. I launch my application in gnome-terminal in with: cd /home/username/document/project/build/ ./NameOfApplication Everything works good, but when I launch it with: /home/username/...
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sudo mkdir -p /mnt/dev/sr0 comes back with permission denied. Help. In VM

I am attempting to set up the Automatic Ripping Machine Here to rip my entire DVD collection. Since I am a ubuntu noob, I need some help. I am running ubuntu 18.04.3 (the GUI version) in Oracle VM ...
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2answers
36 views

Change directory owner/group from root to a user

when trying to change the ownership of a directory i get the error: chown: changing ownership of '/home/tadpoles': Operation not permitted I even get the above message when i do sudo -s and ...
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1answer
26 views

Hosting Apache2 log File

Currently I am trying to host my apache2 log file, with no luck. Here is the error i am getting tail error.log I am running the most up to date version of Apache. Here is my config. 000-default-le-ssl....
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What does Thunar's “folder permissions inconsistent” warning mean and what does the “Correct” button do?

I recently discovered that Thunar's properties dialog, for some folders, shows the warning "The folder permissions are inconsistent, you may not be able to work with files in this folder.": ...
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1answer
19 views

Samba writing permissions issue

I am wanting to run samba on Ubuntu:20.04, I am using local user accounts but the issue I am having is that users alpha, beta and omega cannot write to the folders that they are supposed to have write ...
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44 views

Mount public NAS: mount.cifs: permission denied

quick question: Trying to auto-mount my Nas. I only use the public share (so don't need passwords) and I have followed this instruction: https://wiki.ubuntu.com/MountWindowsSharesPermanently So this ...
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1answer
54 views

How do I copy local files to remote server where remote server needs root access with scp?

I am connecting to a server (ssh user@server) where I need to do the following to act as the root user: dzdo su - Without su - I can't copy any file on this server and have only read-only access. Now,...
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1answer
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How to change add read write permissions

I have newly installed Windows 8.1 on a new miniDesktop: Model Lenovo ThinkCentre CPU Intel® Core™ i5-4570T @ 2.90GHz × 4 RAM 3.7 GiB Disk 32.9 GB I dual booted it with Ubuntu 18.04 LTS. Problem ...
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Entire drives have padlock symbol [duplicate]

I've only been using Linux for a few weeks (I'm a recent convert) and in my system, I have several drives, an SSD with Windows 10 on, and an HDD I use for mass storage. Both of these drives have ...
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44 views

Mount cifs on Ubuntu Operation not permitted

I'm tryng to mount a shared folder from a Windows Server 2003 in a Ubuntu 18.04 Complete server information: VERSION="18.04.5 LTS (Bionic Beaver)" ID=ubuntu ID_LIKE=debian PRETTY_NAME="...
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why is chmod -rwx not removing all the permissions on my private key file, the answers here that I have seen did not help me?

chmod -rwx prac1 abayomi@AbayomiUsman:~/.ssh$ ll | grep prac1 -r-xr-xr-x 1 abayomi abayomi 2655 Feb 18 15:55 prac1* -rwxrwxrwx 1 abayomi abayomi 574 Feb 18 15:55 prac1.pub* abayomi@AbayomiUsman:~/....
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16 views

Locking a user into only accessing four directories

I have a situation where I need to allow an outside consultant to access one of our Ubuntu 18.04 systems. We would like to lock that user's account in a way so that when it logs in, they can only ...
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1answer
14 views

Tar exploded permissions are difefrent

Downloaded open JDK tar.gz file from https://jdk.java.net/15/. When I expand this file with command tar -xf openjdk-15.0.2_linux-x64_bin.tar.gz on one box permissions look like drwxr-xr-x 2 me me 4....
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How to see if the permissions of a file are influenced by something else

I have a question. See this link. I have the problem that sonarr can't update because the permissions aren't right for the file styles.css.map. Doing sudo chmod 0664 styles.css.map didn't work (...
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2answers
79 views

Erase USB by means of Ubuntu 18.04

I got a wrong Ubuntu OS downloaded to my USB. I want to change its permissions so I can erase the USB and get the right OS, but it won't let me. How can I force it to change those permissions? ...
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23 views

Removable media mounts as read-only filesystem

I having a recurring issue with removable media such as HDD's failing to mount properly, which slows me down quite a bit. I've fixed it in the past but then the issue comes back with the same ...
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1answer
51 views

Permission denied (publickey) when sshing

As the title says, I started getting the Permission denied (publickey) error today. I was able to log in this morning before this started no problem and this seems to have started happening after I ...
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16 views

Force user to see only single application window

I'd like to configure Ubuntu 18.04 system so that: User, after logging in, can only use a single application and nothing else Underneath other with access can connect via ssh and have full control of ...
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2answers
53 views

Ubuntu 20.04 LTS: Editing the user for a service run by a snap package

I installed Sonarr from the Ubuntu application center, and from what I can tell it is part of a snap package. The service cannot access a hard drive mount I am using. I set up the drive in order to be ...
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1answer
26 views

Cannot edit file via group permission

there's a system with two users: codera and coderb. They both belong to group named firma. However, when one of them creates a file (in /tmp) and changes it's group ownership to firma, with rw group ...
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1answer
60 views

File locked in Ubuntu 20.04

I recently decided it was a good idea to start using Ubuntu again, I can access all my files on my Windows partition and such but I can only open in read only. Every time, WPS Office gives me this ...

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