Questions tagged [permissions]

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

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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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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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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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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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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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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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GNOME Software app - snap interface management

Ubuntu 20.04 with all updates installed, Firefox snap of latest stable released version. Gnome makers stress it was Ubuntu where Software app got snap support. GNOME Software app > Firefox snap >...
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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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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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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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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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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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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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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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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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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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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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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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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
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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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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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1answer
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Recover SSH access

Ubuntu 18 (I think). I was being able to login to a machine via SSH using my public key. Later I edited "/etc/ssh/sshd_config" so I could give password access to a third-party user I just ...
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Youtube Music Snap does not open

I have downloaded the stable version- 1.13.0 of youtube-music-desktop-app on Ubuntu 20.04.2 Nothing happens after clicking on the app icon. Trying to open it through terminal as superuser gives the ...
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What does the “p” in the first column of ls -la stand for? [duplicate]

I know about l (link) and d (directory) in the first column of the ls -la output. Very recently I have seen an p. What does it stand for? Example (I ommited some lines of the output as they have guid-...
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CHMOD and how the permissions thing works? [closed]

So I got few questions about CHMOD and permissions in general. I know there are 3 groups: user(the creator of the file, the admin user (?) ) groups others My questions are: Can I create more than 1 ...
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Unresolved Host Broke sudo

We operate a multi-domain (vhost) virtual AWS instance, ubuntu 20.04. Login as root is disabled on the server. An unknown system recently created a hostname file, with no matching entry made to the ...
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1answer
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SSH Key doesn't work with any GIT repo

Just installed Ubuntu 20.04.02LTS. I installed GIT, generated a new .ssh with this example from DigitalOcean, after which I added the new key (public) to my github, bitbucket and private git repo, and ...
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Root Apt Upgrade “Permission denied” on Digital Ocean

When I run the following command 'sudo apt upgrade' as root, I get the following error on Digital Ocean. What's wrong? Removing mysql-server-5.7 (5.7.33-0ubuntu0.16.04.1) ... dpkg: error processing ...
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1answer
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How to add myself to sudoers when accidently remove main user out of the sudo group [duplicate]

I was trying to create a public and private share directory using samba and I ended up accidently relocated my main user to smbshare group and can no longer use sudo commands or log in as root. I will ...
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How to allow another user in a group to read a file [duplicate]

I need help in this question please I have tried several times. Create a file, /home/jack/secretf7b079, containing the string secret5cd51b. Make sure the file is owned by jack. Use a group to enable ...
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Folder impossible to delete

I am busy for about an hour to get rid of 1 folder ... I am not totally new to Linux and I normally would succeed but somehow: I can't get to delete this folder.. = called: downloads PLEASE HELP: it ...
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Samba share setting permissions on Windows fails

I have set up a samba4 ADC by the TecMint tutorial, Create a Shared Directory on Samba AD DC and Map to Windows/Linux Clients – Part 7, on Ubuntu 16.04. It works well but when coming to configure the ...
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apparmor=“DENIED” concerning Firefox

Let me preface this question with I am a Unix newbie and know just enough to get myself in trouble so treat me like an 8 year old :) OS Ubuntu 20.04.2 LTS Browser Firefox v85.0 Issue: Firefox does ...
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2answers
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How to give root permission for permanent to an existing user?

There are two user like "root" and a "normal" user In my Ubuntu . Now I wanna to give permanent root permission to the "normal" user without losing any data . I actually ...
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Open text file located at desktop [duplicate]

I have Ubuntu 20.04 and I have a text document file at my desktop. When I double click it, this error is displayed: So I tried unchecking Allow executing file as a program. This solved my issue, but ...
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1answer
59 views

Set default permissions of files for a folder even if not created in folder

Version: 20.04 LTS How can I force all files inside a folder to have a default set of permissions regardless of if they were created there or not? I've viewed and tried different answers mostly with ...
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1answer
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kinsing miner fix - help needed

Ineed some help removing this kinsing virus (bitcoin miner). Currently I have this script running every 5 minnutes via a cronjob sudo kill $(pidof kdevtmpfsi) || True sudo kill $(pidof kinsing) || ...
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Linux KVM: Make Mapped/Shared Folder Permissions RW for Host and Guest

I am tearing my hair out trying to solve this permissions problem where files created by the guest cannot be accessed on the host. Setup: I have an Ubuntu 20.04 host and a Ubuntu 20.04 guest running ...
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Ubuntu server spontaneously disconnects

Honestly, I'd love to give a more detailed explanation of my problem but I'm really confused. At seemingly arbitrary times in the day, my server kicks everyone out connected to it including my SSH ...
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Sudo password is not wokring although user in sudo group

I have a user and I check by writing groups username it shows me your user is in sudo group. But When I wrote sudo some_commands it doesnot accept my password by saying Incorrect password . I thought ...
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SMBus Host controller not enabled

I'm using vmware to use my ubuntu I get SMBus Host controller not enabled After searching for answers found that I should choose Advanced options for Ubuntu(Recovery mode) but it even in recovery mode,...
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Ubuntu Server 18.04 Permissions Issue?

Can't start clickhouse-server today after MySQL 5.7 update. Errors I get from sudo journalctl -u clickhouse-server are... Couldn't save preprocessed config to /var/lib/clickhouse/preprocessed_configs/...

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