Questions tagged [permissions]

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

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Autocompletion doesn't work without sudo

When I try to Tab the way like /etc/freeradius/3.0/sites-available Tab doesn't show me variants of files that are inside the directory and also doesn't allow me to autocomplete this way. How can I ...
1 vote
2 answers
5k views

How do I give the main user (me) root access on Ubuntu 20.04?

I am a new Linux user, in fact I just got Linux about 2 hours ago, and I see that I don't have many permissions when executing commands in the terminal. Sometimes, I might try to install something or ...
1 vote
0 answers
268 views

How can I reinstall mysql after deleting it?

I have been having lots of issues with MySQL. In hindsight I have a feeling it has something to do with App Armor. But now when I run sudo apt-get install mysql-server I end up getting errors. Is this ...
0 votes
1 answer
8k views

How to revert chown command Ubuntu Server

I need serious help. I accidentally ran the command sudo chown 777 ~ and sudo chmod 775 ~, as you can see, in the root directory (~), and now I cannot SSH into my server using my public/private key. ...
0 votes
0 answers
152 views

HDD requires superuser permissions to write

After installing Ubuntu18.04 on SSD, an empty internal hard-drive has the following permissions and can't be written on without sudo. drwxr-xr-x 2 root root 32768 Jan 1 1970 Storage The HDD had ...
0 votes
3 answers
8k views

Unable to install mysql with Can't read dir of '/etc/mysql/conf.d/' error [closed]

I just installed the latest version of ubuntu on usb. First I run sudo apt update, then sudo apt install apache2. So far everything was fine. But when I run sudo apt install mysql-server I get this ...
20 votes
4 answers
7k views

snap - how to grant permanent permission to read folder

I have installed chromium snap package. Each time I download file and try to open it or download folder I see a GNOME prompt form with question: Allow opening file? Allow snap "chromium" to open ...
0 votes
1 answer
425 views

User not appearing but exists, cannot give it sudo privileges

My user has been edited somehow so it does not appear on login or in my settings. However, I can still login if I use not listed and type it in, and if I try and add a user with the same name this is ...
0 votes
2 answers
4k views

No MySQL Privileges For Any Usr

I have searched previous posts for days now... and no solution seems to work, I am risking a "duplicate post"... PROBLEM: PHPMYADMIN installs flawlessly, but none of my users have even basic ...
0 votes
1 answer
21k views

Readonly /dev/loop [duplicate]

I am mounting an iso file downloaded from CentOS website using below command as root mount -t iso9660 -o loop /root/Centos7ISO/CentOS-7-x86_64-Everything-1511.iso /mnt/CentOS7/ But it throws this ...
4 votes
1 answer
6k views

docker-compose denied by AppArmor outside of $HOME - how to fix?

I'm trying to run docker-compose up from /data/myproject but it fails: /data/myproject# docker-compose up ERROR: Can't find a suitable configuration file in this directory or any ...
7 votes
3 answers
27k views

How to resolve "permission denied" when emptying the trash?

I installed a game, and then decided to erase it. I sent it to the recycle bin, but I was unable to delete it completely (Permission denied). When I moved it back to the desktop, a copy remained in ...
1 vote
1 answer
314 views

Kubuntu 20.04: non-english filename characters show as question marks on usb sticks mounted through the terminal

... but show correctly if the usb stick is mounted through dolphin. The usb stick is formatted in fat32 and has personal data files copied from a windows7 system. Is there a way to show the ...
5 votes
1 answer
11k views

How to run an autostart application as root?

I am currently using a VPN application that requires administrative privileges and I have added the application to my autostart. However, every time I login, I will always be asked to enter my ...
1 vote
1 answer
577 views

Deleting files on QNAP NAS

I have some RARBG.COM.MP4 files on my Qnap Nas that I cannot delete even with changing the ownership, using root, etc. I even tried using the inode numberto delete them to no avail. How do I delete ...
2 votes
1 answer
1k views

View PDF security/permissions?

It's as simple as that: I need to view the permissions of a PDF file. Not the file system permissions, but the permissions specific to PDF Security, e.g., Printing Document Assembly Content Copying ...
9 votes
1 answer
13k views

How can Snap permissions be viewed and modified?

One of the promoted advantages of Snap packages is the sandboxing-feature, where a Snap program may not be able to access as much system information as a package from the repository. Now, I have ...
0 votes
1 answer
93 views

Unable to figure out the file/folders permission in Ubuntu

I am new to Linux and trying to learn the basics on my Ubuntu 16.04 LTS pc. The problem I am facing is related to giving file permission for other users. Basically, I have set up two user accounts- ...
0 votes
1 answer
5k views

Home User's Permissions Denied

I have 2 users on my server: root andmyuser. I am not exactly sure how, but I messed up myuser's permissions while trying to edit my home directory as root. Now whenever I start up my server, myuser ...
2 votes
1 answer
455 views

Restricted shell is not working for a newly created user (ubuntu 18.04)

I want to create a new user with a restricted shell so I : ln -s bash rbash # create a symbolic link to bash with a name "rbash" useradd -s /bin/rbash student # add a new user with a shell ...
0 votes
2 answers
1k views

Copy files from multiple sub-directories to the same destination directory

We have almost 300 subdirectories in main directory. Now we want to copy all files from subdirectories in a single command to Destination directory. Is it possible? Main Directory SubDirectory ...
1 vote
3 answers
1k views

Why is it possible to take screenshot without root privileges?

In Ubuntu, I can take a screenshot of the entire screen's content by using the 'screenshot' tool running in user space. How come that is possible? And doesn't that mean that any process can spy on the ...
-1 votes
1 answer
165 views

How to delete specific files that are more than 90 days in a log directory

We are running our Application “JIRA” in Ubuntu version 16.4.6. Ad we see that the logs folder in this application (Path : /opt/atlassian/jira/logs) is 22 GB and it's still growing and we see that ...
2 votes
0 answers
453 views

Giving user subdirectory access without giving superdirectory access

I do not have the permissions to change my user folder's permissions, yet I need to give a collaborator (read and write) access to the user/foo directory without giving them access (no read and no ...
-2 votes
1 answer
2k views

Permission denied errors when trying to update Kubuntu 20.04 [closed]

Reading package lists... Done E: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied) E: Unable to lock directory /var/lib/apt/lists/ W: Problem unlinking the file /var/...
0 votes
1 answer
832 views

Permissions - How do I delete files from an external drive that requires root permissions?

Okay, I'm at a loss as to what to do. I was trying to set up a bootable USB using "UNetBootin" and I didn't properly check where my stuff was actually installing to, so instead of installing to the ...
1 vote
4 answers
2k views

Partition - no write access [duplicate]

I have a interntal fat32 partition, shared with windows. In Ubuntu I don't have write access. The fstab file looks like this: /dev/disk/by-label/SHAREDI /media/SHAREDI auto, users,nosuid,nodev,...
1 vote
1 answer
116 views

Failed to fetch updates [duplicate]

I am running into an issue when trying to run apt update on 19.10. I am getting the following error: E: http://us.archive.ubuntu.com/ubuntu eoan-security/multiverse amd64 c-n-f Metadata is not (yet) ...
1 vote
1 answer
363 views

Mounted hard drive appearing empty and lacking permisions

I have a computer with an SSD running my operating system and an HDD to store most data and work. Up until yesterday, my hard drive appeared under /mnt/feynman as of today it is appearing as an empty ...
0 votes
0 answers
677 views

Point an SFTP user to its working directory without listing other user's directory

I am working on configuring an SFTP server on Ubuntu Server 18.04. I want to create SFTP accounts that point directly to their working directories without listing others. For example if the real ...
0 votes
0 answers
2k views

wget permission denied error

Task: Hi I am trying to download apache spark using wget. However I get error: Problem : Permission denied. Reason: No write permission for folder spark1 What do I want: How Do I enable write ...
1 vote
1 answer
2k views

Can't write to smbclient-mounted network disk without sudo

I mounted a network disk using smbclient -L //network_disk -U MYDOMAIN/myuser sudo mount.cifs -v //network_disk/G ~/G --verbose -o user=myuser,domain=MYDOMAIN After that, I can't for example touch ~...
6 votes
6 answers
105k views

Forbidden You don't have permission to access /phpmyadmin on this server

I installed php, mysql, phpmyadmin on my Ubuntu 12.04 localhost in the following steps: I try these steps: sudo apt-get install apache2 sudo /etc/init.d/apache2 restart sudo apt-get install php5 ...
-1 votes
1 answer
542 views

How to lock a file for administrator (su/sudo password-protected) access only from command line / terminal?

I have some sensitive files that I want to protect from my own impulsivity. They're in ~ (/home) not /dev or /bin; those files are protected by default. However, like system files in /dev, /bin, or ...
0 votes
0 answers
221 views

Ubuntu - prevent mv folder but allow files to be placed there

The closest I have found to creating a folder that can't be moved or deleted (but lets me add/edit/delete files within) is chattr. sudo chattr -a folder lets me protect a folder from being deleted ...
2 votes
1 answer
6k views

Collecting package metadata (current_repodata.json): failed NotWritableError: The current user does not have write permissions to a required path

When i am trying to install any library such as pandas and even when i tried to install clean package using conda install anaconda-clean. it gives an error : Collecting package metadata (...
0 votes
1 answer
210 views

Can't get simple cron job to run

I have a simple sftp server to exchange files with friends. Whenever someone drops file into it, they're the sole owner of that file and I cannot delete it without using sudo, so I want to run a ...
3 votes
1 answer
3k views

colord-sane: io/hpmud/musb.c 2101: Invalid usb_open: Permission denied

I get the following errors all in a row in my journalctl after booting: colord-sane[4901]: io/hpmud/musb.c 2101: Invalid usb_open: Permission denied colord-sane[4901]: io/hpmud/musb.c 2101: Invalid ...
0 votes
1 answer
1k views

mount permissions from Windows to Ubuntu

I have followed this guide in order to share my windows server files with my ubuntu 20.04 box. It seems to have worked, as long as i am using the sudo command when making any changes to files or ...
2 votes
3 answers
4k views

is there an LS for users?

I want to see what files and folders a user on my system has permission to. I am an admin, on the system. how do I get more information about what files and folders a user can access? Command line ...
1 vote
0 answers
26 views

Problem with permission

I have installed an SFTP Server on docker, there I want to share a folder named SFTP. The SFTP Folder has UID and GID 1000:1000 and I stated the SFTP Server also with ID 1000:100 and the folder has ...
0 votes
0 answers
86 views

Why am I prompted for my password every time I access a mounted disk under 20.04?

I have several SSD disks connected on my Ubuntu server, and under 19.10, they were mounted automatically under their respective directories. But under 20.04, every time I want to access one, it asks ...
3 votes
1 answer
2k views

Unattended-upgrades pending reboot prevents shutdown from user

Running Ubuntu 14.04 in a public computer room, I have enabled unattended-upgrades and configured to reboot at 02.00 in the night. PCs are dual boot, so a user would reboot the computer in order to ...
1 vote
1 answer
818 views

Require password for reboot/shutdown

I realise that this question might be forwarded to a pedagogical forum, but I try to ask :-) I have installed Ububtu Mate 20.04 on iMac (late 2012). I have two users, myself and my son (6 y.o.). When ...
4 votes
2 answers
6k views

permissions to create file in directory [duplicate]

I've read here that in order to create a file inside a directory in Linux, one should have write permission to that directory. However when examining this (in Ubuntu Server 14) it did not worked. ...
0 votes
0 answers
247 views

Can't access a directory I am a group member of

I have a directory ‘/mnt/media/’ that has the permission drwxrwxr-x-- and user:group luthing:users so all the users can access it (shared disk). Permissions are : ls -lisa /mnt/media total 32 ...
0 votes
0 answers
164 views

File sharing to multiple users with different permissions

I have a file server used to backup network configs. I have 5 admins I have 6 users Everyone needs access to all files. Admins need all permissions Users need permissions read, copy and edit copy ...
0 votes
1 answer
483 views

How to use root permission while copying, moving and extracting files

I am new user in ubuntu and i am a web developer especially wordpress developer. So I have installed xampp and after downloading wordpress zip file I moved it to /opt/lampp/htdocs/ But whenever I am ...
2 votes
1 answer
263 views

snap home read plug kdenlive on 20.04

How do I get kdenlive to open files on a shared user other than my own home directory? Do I have to change the value of the snap home interface read-plug to "all"? If so, how to achieve this?
0 votes
0 answers
168 views

Read-only file system

I tried removing an icon of my deleted tor-browser using the command-line in this directory: /snap/kde-frameworks-5-core18/32/usr/share/icons/breeze-dark/apps/48 but I received this error: rm: ...

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