Questions tagged [permissions]
Short for "file system permissions" - access control based on user, group, or global access.
7,432
questions
0
votes
0
answers
13
views
Setting up a Samba server. New files are being created with no Write access to the group? [duplicate]
I've been bonking my head against this for 2 days. Maybe someone linuxier than me can see my error.
Ubuntu Server 22.04.3 LTS
Samba version 4.15.13-Ubuntu
Stand Alone Server
My goals:
only allow ...
0
votes
0
answers
20
views
Unable to copy/paste in certain registries
I'm trying to copy paste a file in /snap/notshowingthisforprivacy/1234/usr/lib and can't paste anything. This registry is under "other locations" and not my desktop or ./home, I have the ...
- 1
0
votes
0
answers
50
views
Issue with Insatll SSH key now entire OS is crashed
I was trying to generate the SSH key to pair with my GitHub. I used the GitHub official document for it here. While going through the process when I used ssh-add ~/.ssh/id_ed25519 it gave me the error ...
- 470
-2
votes
0
answers
27
views
Configured two factor authentication, but not able to connect to node,it is asking for password 3 times,entered the codes, showing Permission denied [closed]
Configured two-factor authentication, but not able to connect to node, it is asking for a password 3 times, entered the codes, showing Permission denied
1
vote
0
answers
33
views
Ubuntu 18.04 -> 22.04 Role of new _ssh shadow group vs AllowUsers?
I've moved a server that was running 18.04 to one running 22.04 and copied the following sshd_config over:
PermitRootLogin no
PubkeyAuthentication yes
PasswordAuthentication no
PermitEmptyPasswords ...
- 861
0
votes
0
answers
35
views
Facing problem with MP4 file uploads on Ubuntu with filezilla (the file size reduces after upload). Can someone help?
I am attempting to upload an mp4 file (112MB) to a Linux server. After a successful transfer, its size is reduced to 103MB or 80MB. It is not uploading the full size. Its Owner/Group changed ...
0
votes
0
answers
17
views
Using logrotate with rsyslog for rotation of logs based on fixed size
Due to specific requirements, there is a need to constrict syslog to a particular size (512 MB) and also to move the syslog and kern.log to a separate custom location.
Current Syslog configuration -
$...
- 35
1
vote
0
answers
22
views
starship cannot access/edit starship.toml
Whenever I try to import a starship.toml file by typing
starship preset tokyo-night -o ~/.config/starship.toml
I get the following error:
Error writing preset to file: Permission denied (os error 13)
...
- 11
0
votes
0
answers
22
views
SSH to Ubuntu virtual machine under Azure, permission denied (publickey)
We do have a virtual Ubuntu machine under Azure. The IP address is known (for this message it will be named "thatIP").
Setup to log in via a certificate does work.
We are now trying to set ...
- 184
0
votes
1
answer
55
views
Why am I getting a `warning: could not open directory` from any command after unsquashing a squashfs filesystem?
I've been playing around with creating custom ISO images, and I've been successful. However, during the process I've come across a situation that I don't understand.
My system is Ubuntu 20.04.6 LTS ...
- 866
0
votes
0
answers
23
views
Can't access root folder in File Explorer since installing Ubuntu 22.04
I'm using WSL and I recently installed Ubuntu 22.04 and I can no longer access the root folder under that directory. I can access the root folder in my OLD ubuntu directory, but when I click on root ...
0
votes
1
answer
86
views
All users getting "error creating /tmp//tmux-1003 (Permission denied)" when using tmux
tmux used to work, but i forgot exactly what I did on the server to cause all users to not being to use tmux. I'm getting the errors for 2 different users:
error creating /tmp//tmux-1003 (Permission ...
- 2,853
-2
votes
0
answers
15
views
How do I earn reputation points the fatest? [migrated]
So I've got 15-ish years of exp on everything webdev/js/ts, but no reputation. I see questions asked where I would really be able to contribute with a good answer but I can't because ... no reputation ...
0
votes
0
answers
20
views
In Podman, switch owner from nogroup to another group
I'm currently using podman in my linux terminal for a WordPress project (a container that has a mounted volume).
From the terminal, when I run id www-data, I see
uid=33(www-data) gid=33(www-data) ...
- 101
0
votes
0
answers
20
views
Docker container unable to write to removable drive
I currently am running Ubuntu Jammy and have a docker container that needs to write to two external drives that were automatically mounted to /media/MYUSER/MYDRIVE while both are mounted correctly and ...
- 1
0
votes
0
answers
30
views
Howto change the permission of a directory to root?
Howto change the permission of a directory to root: /mnt/sda9?
I tried it with gksudo, but it says "you're not propriertary."
The following commands...
gksudo nautilus /mnt
sudo chown user:...
0
votes
0
answers
39
views
proc/fd permission errors in some (not all) lxc containers after upgrading host to ubuntu 22.04
Yesterday I updated an Ubuntu 20.04 machine to 22.04.
lxc is from snap and I believe is unchanged.
It has unprivileged lxc containers running various systems including Ubuntu 18.04, 20.04 and 22.04; ...
- 133
0
votes
0
answers
29
views
How to open ANYDESK from ROOT USER in UBUNTU?
I tried opening anydesk from root user but it shows following error message (screenshot mentioned below) ? I wonder what is the solutions to solve this problem so that ANYDESK can be open from ROOT ...
5
votes
1
answer
366
views
Moving program to /opt to make it accessible to all users?
I use a program that is saved in my /home/vincent/Downloads directory (program is actually a game, I downloaded it...AppImage file), I normally start the program by double-clicking on it...
Now I ...
- 73
0
votes
0
answers
30
views
ssh: connect to host (ip address) port 22: Permission denied
I just reinstalled the Ubuntu server OS on some devices and accidentally deleted the SSH keys in the %WINDOWS% folder and on the registry folder > Simon Tatham> then deleted it. Now, I can't ...
- 13
0
votes
0
answers
25
views
Ubuntu directory permissions to share
Assume we have a path /path/to/usera/data, its owner is user_a and Now we want to share this dir to user_b with following steps:
add a group datashare and add user_a user_b to it
sudo groupadd ...
- 111
16
votes
7
answers
4k
views
Can we prevent a command from being executed for root in Linux?
There is this script that is difficult to read and debug.
Somewhere in it, it has commands like this:
sudo chmod -R 777 /$some_var/$another_var
In other words, it creates a path dynamically, and then ...
- 673
0
votes
0
answers
77
views
sudoers.d file not working for a non-sudo user using three commands without password
I want username steamy, a non-sudo user, to execute three commands (i.e., systemctl start|stop|restart factorio) without entering a password.
I am using sudoers.d file called factorio:
$ sudo ls -l /...
- 101
0
votes
0
answers
24
views
How do I give other users permission to access ntfs partition?
Only adm users have access to the ntfs partition, how do I change this?
Edited: My ubuntu is 22.04
Thank you
- 21
0
votes
0
answers
28
views
Why can I only change write permissions for all users?
I've been trying to manage the permissions on a certain file, but the only changes the chmod command seems to allow me are changes to all users and regarding the write command. I can't change any ...
- 1
0
votes
0
answers
28
views
Transfering nextcloud data of docker volume to another server while usergroup does not exists
I'm currently preparing a migration from my Raspberry Pi with Ubuntu 22.04.03 LTS 64x
to an x86 based server.
In that process, I want to copy all of my Nextcloud data. While investigating the file ...
1
vote
2
answers
62
views
How to allow a user to start/stop a specific system service?
I am building a server on which my students will be able to upload their projects, which are Python+Flask web-applications. When I add a new user, I add a new service in /etc/systemd/system/[username]....
- 2,201
0
votes
1
answer
80
views
Chromium and Chromedriver do not work correctly, permission denied
I'm trying to automate some features with php-chrome library.
I need to use chromium.chromedriver installed on my server.
So I installed these apps.
root@afs2:~#: google-chrome --version
Google Chrome ...
- 111
0
votes
0
answers
28
views
Supervisord ignores user setting
I want to use supervisord to make maintenance for Laravel application which used nginx run by www-data:www-data user:group. Both Laravel app and supervisord task need to share one log file. Sometimes ...
0
votes
0
answers
21
views
How to give a permenant permission for a disk?
I have hdd that has been mounted to a new folder Backup that I created in /media
/dev/sda1 15T 28K 14T 1% /media/Backup
But I am not able to create any folder and the permission is as ...
- 189
0
votes
0
answers
42
views
User not able to modify the file which is created by a different user. User is also part of that user's group [duplicate]
I have created two normal users on my Ubuntu system:
testuser1
testuser2
I have added testuser2 to the testuser1 group
testuser1 created a file in the /tmp folder named file1, testuser2 is able to ...
2
votes
0
answers
53
views
new kernel and exfatprogs do not support same mount options as exfat-utils
On multiple machines at work and at home, I multiboot between one or two flavors of Linux and a few flavors of Windows. In order to keep my data centralized regardless of what OS I'm in, I use an ...
- 21
0
votes
1
answer
46
views
cannot write a remotely mounted file
Before opening my nextcloud server to the internet i'm trying to harden its security by configuring its sshd_config file.
Its a ubuntu core server so i can edit files only through sshfs.
The thing is, ...
0
votes
0
answers
28
views
my user pssword has been chnged
I use a stand alone desktop running ubuntu 22.04. The admin password has been changed (hacked). How do I regain control as my password is no longer accepted, and I can not use sudo, or choose a new ...
- 1
0
votes
1
answer
33
views
How to make the current working directory be highlighted in color? [duplicate]
my ns-3 is installed inside the source folder i.e., home/my_username/source/ns-3.39, when I try to ls inside the ns-3.39 directory, it gives:
ls: cannot open directory '.': Permission denied
So I have ...
- 3
0
votes
0
answers
37
views
Deny Access to Folder
I am running 20.04 LTS. I am trying to deny a user access to a folder. In the terminal the user doesn't have permission, but in the GUI it prompts for admin credentials. Is there a way to stop it ...
- 1
0
votes
0
answers
43
views
Stuck with Emergency mode and fsck not working
The problem started with the following error on my screen while booting:
[ 0.106709] x86/cpu: SGX disabled by BIOS.
/dev/sda3: clean, 1108900/6111232 files, 9479779/24413952 blocks
you are in ...
- 3
0
votes
1
answer
404
views
\\wsl.localhost is not accessible. Open folder error
I want to access wsl folder in File Explorer however I got this error
\wsl.localhost is not accessible. You might not have permission to
use this network resource. Contact the administrator of this ...
- 11
0
votes
0
answers
31
views
Ubuntu - LibreOffice - doesn't start without sudo
Trying to convert docx to pdf and i run into problem.
sudo libreoffice is working
libre office is throwing error
javaldx failed!
Warning: failed to read path from javaldx
LibreOffice 7.5 - Fatal Error:...
24
votes
8
answers
4k
views
How to fix "chmod" permissions after running "chmod 222 /bin/chmod"?
I ran chmod 222 /bin/chmod to know more about chmod. After that, when I run /bin/chmod, I get permission denied.
I tried to change the permissions of chmod back to 755, but it doesn't work.
Does ...
- 377
0
votes
0
answers
28
views
Need help with zfs import and getting plex to see datasets
Thanks for taking the time to read and provide any insight. So I didn't export this thing like I should have any did a force import. I have my data there in the new machine as /mnt. I can see the ...
- 11
1
vote
1
answer
97
views
Bash script issue: can create User but password is not being set correctly
in my ubuntu 22.04 server I created a bash script that setups my server to serve laravel apps, one of the steps I do is:
Downloading mysql
Creating a non-root user,
Grant all privileges to non-root ...
- 153
1
vote
1
answer
322
views
home/user/Desktop and Public Folders Show as Type Link (broken) (inode/symlink)
Ubuntu 22.04 LTS asked me for an update which I did and apparently everything went ok but upon restarting all my home folders appeared in my Desktop.
Looking into my home folder I found out that home/...
- 113
0
votes
0
answers
17
views
Lua error for wireshark attempt to index global 'bit' (a function value)
I'm getting this error:
Here the packet is not properly decoding on wireshark version 4.0.6
Attached is the packet
Frame 3457: 140 bytes on wire (1120 bits), 140 bytes captured (1120 bits) on ...
0
votes
0
answers
69
views
How to mount exFAT/FAT partitions as user without all files having the executable bit set in permissions?
Ubuntu 23.04 here, but should apply to almost every version.
I want to mount external drives via the user mount mechanisms in the system (is udev involved?), often over SSH with udisksctl mount -b /...
- 4,116
0
votes
0
answers
49
views
Cannot execute .sh file
I am having an issue making a file executable. The file is gatewaystart.sh. I have unzipped a downloaded folder containing the specified file, into /opt/ibc using the command
sudo unzip ~/Downloads/...
0
votes
1
answer
25
views
AppImageLauncher stuck at 'Watching directories' when trying to run eDEX-UI AppImage
I recently installed eDEX-UI on my Ubuntu system using the AppImage format. However, when I attempted to run the AppImage from the terminal using the command sudo appimagelauncherd eDEX-UI-Linux-...
1
vote
1
answer
80
views
encfs decrypting usb folder needs root permissions
I have a usb drive with an encfs encrypted folder. I usually decrypt this with
encfs /media/user/DBx/enc /media/user/DBx/dec
When I try this with a new Ubuntu install using 22.04.3, I get the error:
...
- 463
1
vote
0
answers
118
views
Allow user to run specific commands
How do I enable a user to run specific sudo commands without the need to type a password?
I already tried the following:
I have a script /usr/local/bin/perform-update with the rights -rwxr-xr-x 1 root ...
- 2,371
1
vote
1
answer
349
views
Server refused our key - No supported authentication methods available (server sent: publickey) - Permission denied (publickey): Ubuntu server
I have an AWS EC2 instance running. I was able to connect using my chomed (-r--------) keys using MobaXTerm and SSH (Ubuntu for Windows) (.pem key) and putty (.ppk key).
I'm also working on the server ...
- 111