Questions tagged [acl]

An access control list (ACL) is a list attached to a file or other resource, specifying what may be done with it and who may do it.

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Two system services need write access to the same directory - How to correctly set users/groups etc to permit access securely?

I am trying to run two system services, each of which has its own user, and creates files owned by that user, in a directory under /var/lib - The problem is that I need both services to write their ...
chrestomanci's user avatar
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virtual environment and/or acl?

I was wondering if there is another method from access control on a folder to execute a file. I thought of something like a password protected virtual environment and only when accessing the virtual ...
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Fine-grained permissions for mixed folder access between 3 users

I'm using a group to share home folders across two users, the users under consideration are: user1:groupA user2:groupA user03:user03group user99:user99group and their home folders have setgid so that ...
pbhj's user avatar
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Add directory before word contain extension .txt

I have a file named acl.txt acl test1 dstdomain web.txt acl test2 dstdom_regex domain.txt acl test3 dstdomain .facebook.com http_access deny test1 http_access deny test2 http_access deny test3 This ...
Ruyaz's user avatar
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Please help me understand effect on file permissions on combining umask an ACL and Samba create mask

I set up an ACL in /media/4TB1 My intention is to enforce these two points: All sub-directories of /media/4TB1 will have permissions: drwxrwxr-x i.e: chmod 775 All files will get permissions: -rw-rw-...
FlexMcMurphy's user avatar
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setfacl broke my ubuntu installation

I'm not 100% sure but I think I ran setfacl with the wrong argument and changed acl stuff for everything under(non recursively?) '/' instead of './' , immediately half the applications I had running ...
adam's user avatar
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Issues with arduino, /dev/ttyACM0 and ACLs? (maybe)

like many people I seem to be having an issue when trying to connect my Arduino uno to the Arduino IDE in ubuntu but it seems to go beyond the usual issues that people have. I am receiving the classic ...
HashKetchum's user avatar
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glusterfs CTDB Samba - Windows permissions ACLs

I have a testsetup consisting of two (three) nodes, 1 brick and a testshare. The files are replicating and I see the files in every node. I set up CTDB and added the cluster to the Active Directory. ...
pallago's user avatar
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After updating to Ubuntu 20.04.2 LTS. Access 2016 tables stored on the server are behaving strangely

I have a microsoft access table backend stored on the server and 4 users on windows desktops logging into database with the tables being used as link tables. This has been running since 14.4 upgrade ...
Bill Inglis's user avatar
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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 ...
condensed_milk's user avatar
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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 ...
Nikolai's user avatar
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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 ...
Richard Beneš's user avatar
2 votes
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1k views

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 ...
tom_tom's user avatar
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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 ...
Nickelza's user avatar
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Squid on Ubuntu 20.04 installation problem, acl command not found

I'm new to Linux so please be patient with me. I am following this guide on phoenixnap.com to set up squid. Squid successfully installed & is running. However, acl localnet src 192.168.0.15, or ...
simsim2020's user avatar
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LXD: Imported container doesn't start - Problem with ACLs

I am just trying to launch a container, which was created on an other machine. I've done this the following way: $ lxc snapshot container_name snapshot_name $ lxc publish container_name/...
BrunoB's user avatar
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Permission denied for transmission daemon event

I bit my teeth on this problem: I'm trying to set up transmission-daemon with an incomplete and done directory. Downloading to incomplete does work fine, but for the done directory I receive a ...
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ACL not working in ubuntu 16.04, ext3?

I'm new to ACL's in linux (but aware of them from windows), and am trying to set up write access (for mr_green) to a folder in a different user's home folder (mr_blue). What happens is that mr_green ...
cmroanirgo's user avatar
2 votes
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How to unify two sets of permissions/ownership on a folder?

I have a VirtualBox VM running Ubuntu 16.04 LTS. VirtualBox is able to share a folder with my host. It configures its permissions as follows: $ stat /home/tiqvah/cam File: /home/tiqvah/cam Size:...
Walrus the Cat's user avatar
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SETFACL to not go out of /home

So I've been testing ACL's in Linux and they work as intended. I have, for example, this folder where I've stablished permissions for users belonging to the gruop share. So far, so good... lucas@...
Lucas Aimaretto's user avatar
1 vote
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Can't set acl recursively in Ubuntu 18.04

I'm trying to use acl to be able to modify files without changing ownership of the files, but acl is throwing an error (I'm guessing it's my syntax). This is on a new server running Ubuntu 18.04. I'...
Best Dev Tutorials's user avatar
3 votes
2 answers
1k views

Default folder/file created ACL permissions not correct

I have applied the following settings to my core html folder: chown :ftpaccess html -R chmod 0775 html -R setfacl -R -d -m group:ftpaccess:rwx html However whenever anyone creates a new file or ...
Ukuser32's user avatar
4 votes
2 answers
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How to grant non-root user access only to /var/log directory

I have newly created non-root(normal) user and want to grant access only to /var/log directory so that the user can view and monitor the logs. The user should not be able to cd/ls or access the /etc ...
most2's user avatar
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Execute Bit For Folders But Not Files

I have a folder called Movies with sub-folders called Movie1, Movie2 etc, and then the movie inside of that sub-directory. Example below: Movies: Movie1 film.whatever1 Movie2 film....
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ACLs Permission denied

Assume this is the permission I set to file.sh $ getfacl file.sh # file: file.sh # owner: ubuntu # group: ubuntu user::rwx user:test:r-x #effective:--x group::r-x #effective:--x ...
rj487's user avatar
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How can I disable ACL on ext4 filesystem? [duplicate]

I'd like to disable ACL in /etc/fstab when mount. How can I do that?
tenjohn's user avatar
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getfacl returns rwx, but I have a "permission denied" when trying to access the said folder

I'm trying to execute a script from Server A with user "vbackup" to copy some files from server B to server A. On server A, I did setfacl -Rdm user:vbackup:rwx /var/atlassian/ On server B, I run ...
nivolas's user avatar
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How to make folders invisible to certain users

I use a Samba share pointing to a directory with all my files. As several users access the same share and I don't want every user accessing every folder, I use ACL to restrict them. Is there any way ...
Socrates's user avatar
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Setting default permissions for all new dirs/files in a dir and its subdirs, no matter who creates them

I have a directory, and I want all directories created in this directory, or its sub dirs, to be 777 and all files created in it or any of its subdirectories to be 666. It doesn't matter which user ...
Askerman's user avatar
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1 answer
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Trouble creating an accessible Samba share on a separate data partition

I am attempting to create a standalone Samba file server with user-level security for shared directories residing on a separate data partition. The problem is that some users cannot access shares on ...
ebsf's user avatar
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2 votes
1 answer
413 views

Is it possible to keep setgid bit when unzipping files as non-root user?

I have a folder with the following permissions: drwxrws--x+ 13 myuser www-data 4096 Mar 20 09:57 project-folder In this folder I have an archive archive.zip with the following permissions: -...
koninka's user avatar
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4 votes
1 answer
890 views

Discrepancy with the output of `ls -al` and `getfacl`

I have run the following script to set permissions into /etc/nginx #!/usr/bin/env bash sudo chown -R root:root /etc/nginx sudo chmod -R 0750 /etc/nginx sudo setfacl -Rbk -m g:hugo:rwx /etc/nginx ...
Baa's user avatar
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1 answer
2k views

How to make new directories inherit their parent's ACL?

I have set default permissions for new files and groups in my directory like this sudo setfacl -d -m g::rwX /<directory> It works great. The problem is, that if I create any new files or ...
Askerman's user avatar
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Website blocking issue in squid3 on ubuntu 12.04 [closed]

I am trying to block some websites on my ubuntu 12.04 with Squid 3.1.19. Following is a view of my ACL's.` Denying domains based on defind access list acl ym dstdomain .yahoo.com microsoft.com ...
Smart Boy's user avatar
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4k views

Set default ACL for new files and directories?

I have two users usera and userb and a folder Both to which I am trying to set the ACL so that both users can create, update, delete any file or folder within that folder Both. The problem is that if ...
Socrates's user avatar
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1 vote
0 answers
287 views

Give File Permission for modify in samba sharing but only owner can delete file

I need help regarding file permission in samba sharing, Is it possible to set an excel file in samba sharing (windows clients) can be modified by group but only can be deleted by owner? I did follow ...
Ryomaez's user avatar
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2 votes
0 answers
291 views

Access Control List when running script from crontab

hoping someone has come across this before, I am using ACLs to allow one user (user1) to write files into a location in another user's home directory (user2). For manual usage, this is working as ...
user avatar
2 votes
1 answer
1k views

Why does ls show wrong permissions for the group when using ACL?

I have the following script for setting permissions for the Joomla CMS directory: #!/bin/bash if [ ! -d "$1" ]; then echo "Error: Folder does not exist or no folder given." echo "" exit 1 fi # ...
Wieger's user avatar
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0 answers
105 views

Safest file permissions for samba access

I have set a samba user (say, remoteuser) who is supposed to manipulate files under some system folders on the samba server (i.e. and not only his home directory's files), such as e.g. /etc/somedir) ...
pkaramol's user avatar
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unable to write in a directory by ACL users granted with write permission

I have two directories /home/user1/htdocs/ /home/user2/htdocs/ I have provided permission to www-data using: chown -R www-data:www-data /home/user1/htdocs/ chmod -R 755 /home/user1/htdocs/ ...
Krishna Chalise's user avatar
4 votes
2 answers
4k views

Package "acl" on Ubuntu 16.04

I am reading this Digital Ocean tutorial. In step 1, it says: We'll need [...] acl to set the right directory permissions when installing the application I wanted to check if acl is already ...
nyluje's user avatar
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1 vote
1 answer
603 views

(Another!) question about www-data privileges and root - but with a twist

In short : is it safe to grant root (user) access to www-data? Longer statement : as a lot of questions asked on this using chmod g+s, POSIX ACLs and other sites umask as to the appropriate way of ...
bnoeafk's user avatar
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1 answer
87 views

Block a user with acl

How can I block one user and grant access to another user using an ACL? I tried setfacl -Rdm u:maria: /home/elena but I think this is wrong. maria is one user and elena is another user.
andreas's user avatar
1 vote
1 answer
321 views

confused with shared folders and ACL

I have 2 ubuntu machines (ubuntu1 and ubuntu2). Ubuntu1 shares folder /opt/share and i've created testuser specifically to rwx: setfacl -Rm u:testuser:rwx . Ubuntu2 mounts it on /mnt/ubuntu1 mount -...
brunobliss's user avatar
6 votes
1 answer
2k views

Why can't I delete or move these files without sudo?

I had used file-roller to extract an ISO image to my Desktop earlier, but now I can not delete or move/rename those files any more "as myself", only with sudo. Changing permissions (chmod) or content ...
Byte Commander's user avatar
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7 votes
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Preserve ACLs with rsync

Sorry, but I can find no solution to this apparent simple problem searching online and this forum. I have a simple need: copy a directory and its contents to another local location, preserving ACLs ...
user2175064's user avatar
4 votes
1 answer
18k views

How to allow users to create and delete file(s) / folder(s), but not modify them?

I have created a group name "app-data" and a folder /db-data/archived-data/ I want members of app-data to have all rights on /db-data/ folder but I want the same group users have only create and ...
Hrish's user avatar
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0 votes
1 answer
197 views

Using ACL to control read and writes by specific groups

I'm new to ACL so I'm creating some demo folders, unfortunately it's not working as expected. The folder Triangle belongs to user pyramid in group triangle. The user Cube in group square needs ...
OrigamiEye's user avatar
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1 answer
1k views

Force permissions on directory for Netatalk

I'm working on Ubuntu Server 14.04 and I'm trying to set up an AFP share with Netatalk. So far so good aside from the privileges to the files inside the shared directories. I want to set up a system ...
tmace's user avatar
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7 votes
1 answer
5k views

Allow a LXC container user to write as an external user to a mounted directory

Apologies for the title, the setup is actually quite simple. I have a host with a user called oli and a directory called /media/steve/incoming that oli can read-write-execute in. Within that I have a ...
Oli's user avatar
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