Questions tagged [chown]
The chown command shell of a Unix-like operating system (such as GNU / Linux) is used to change the owner of a particular file.
127
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root cannot chown /mnt directory
I have a got a USB key with some directories on it. All files belong to root.
whoami
root
id
uid=0(root) gid=0(root) groups=0(root) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
...
0
votes
1
answer
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Messed up with /dev/tty* ownership
I was flashing a Flipper Zero Wifi Dev Board and I needed to have /dev/ttyACM0 owned by dialout group...
The thing is now I have tried to revert the stuff, making a chown root:tty /dev/tty*, and chmod ...
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0
answers
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Possible in Linux for root to take ownership of a running process without restarting it?
There is a process running under my personal login id that I want to run under root instead. This is only temporary for troubleshooting a problem with it. My login id has sudo privilege but is not ...
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3
answers
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Why is it possible to assign non-existent users as file owners via the "chown" command?
Why is it possible to assign non-existent users as file owners via the "chown" command?
To give you an example
sudo chown 03:03 ./test/f2
ls -l
-rw-r--r-- 1 3 sys 0 nov 7 17:45 f2
...
0
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0
answers
216
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cygwin /usr/bin/install cannot change permissions
When I run /usr/bin/install, I get permissions errors:
bifrost ~ 857# groups
None Local account and member of Administrators group tsysadm Administrators Users NETWORK Authenticated Users This ...
0
votes
1
answer
659
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how to change user and group of a file inside the docker in gitlab-ci
I have a file which when I mount it to the docker, the user and group will change.
root@b2d3cb9b2aab:/# ls -lh /etc/logrotate.d/
total 36K
-rw-r--r-- 1 root root 120 Sep 11 2021 alternatives
-rw-r--...
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0
answers
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Run script with root permission as normal user
Problem:
How can I run a script owned by root with root permission as normal user?
Let's take for example a folder /path/to/folder.
First I make sure that the folder and all content is owned by root:
...
0
votes
1
answer
1k
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Change the ownership of all files & folders based on search result
I know how to find all the files & folders owned by a specific user, say tommy:
find / -user tommy
But how can I chown the files & folders to another user, say peter?
I know I can change ...
1
vote
1
answer
406
views
What does it mean to chown a directory non-recursively?
You can do either chown $user $path or chown -R $user $path. What's the difference when $path is a directory?
The second invocation would also chown all files and directories inside $path recursively. ...
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0
answers
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Using sgid bit on specific executable files to filter their traffic with iptables
I'm trying to filter traffic with iptables for specific applications by their effective owner id (--gid-owner). For this purpose I've created a group
$ sudo addgroup net-user
, set this group on an ...
0
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0
answers
175
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Mistake - sudo chown -Rh not-root-user /
Well that. Made a terrible mistake on ubuntu server 18.04 (production server) and ran
chown -Rh some-not-root-user /
Now sudo is not working. Is there any way to reverse this?
0
votes
0
answers
545
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Is it safe to change ownership of several sub directories in /usr/local on MacOS Big Sur?
When trying to install some support for FORTRAN on my macBook running Big Sur and using brew I get an error that some /usr/local folders are not writeable and am asked to use chown to change ownership ...
0
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0
answers
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How do you set read-only in NFS without root privilege on Linux?
This seems like a relatively straightforward question, but I couldn't really find an answer to this on knowledge bases.
Problem
I want to protect some files so they cannot be edited, deleted by other ...
0
votes
1
answer
237
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Recover Ubuntu file owners after improper use of chown
I made the mistake of changing the owner with the command
sudo chown -R userG: userG /
Now MySQL and other things not working, I try to repair but the ** sudo ** command does not work
Give this error
...
0
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2
answers
2k
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chmod/chown/mkdir: Operation not permitted as root
I get Operation not permitted for root user on one server but not on the other "identical" server.
Running on Amazon Linux 1.
Server 1:
[root@preprod-1 ]# chown root:root /s3mnt/outliers/
...
0
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1
answer
152
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Using the chown linux command to allow permission on a user and group
The question
Recursively set the owner and group of /home/shared/salesproject/ and its contents to sam and sales.
I know it would start out 'chown -R'
how would the rest go?
0
votes
1
answer
40
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messed up /boot ownership
I messed up /boot directory ownership (CentOS8) and i'm not sure to whom to restore it to. Backstory, the product from work that I am working on has it's own user and group to run its own services. ...
0
votes
0
answers
43
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How to (effectively) make a group an owner for changing privileges
I have data on disk which has a high likely-hood of accidentally being modified and I want to remove all write privileges by myself or anyone else. However, occasionally this data DOES need to be ...
1
vote
1
answer
2k
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Can't delete, chown or chmod file even as root
I want to delete a backup of a website (FTP-mirrored with wget), but a single file, named js_composer.less resists. I can create new files and delete them in the same directory, so the problem might ...
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1
answer
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Why is a normal user allowed to give away a file/folder by running `podman unshare chown`?
I think that usually a normal user is not allowed to give away a file or directory by running chown without sudo. A question was asked and answered at unix.stackexchange:Why can't a normal user chown ...
2
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0
answers
2k
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chown has no effect inside docker container
Core problem
I have some files that are currently owned by 'root':
root@b75277d71d6f:/app/config/jwt# getfacl public.pem
# file: public.pem
# owner: root
# group: root
user::rwx
group::r-x
...
0
votes
0
answers
57
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Ubuntu 18.04 SFTP with users and one major user
I have an Ubuntu 18.04 system running and want to access this system using SFTP.
I have a lot of users, that shall access /var/ftp/data/%u, additionally, I need a user f_sftp, that can access and read ...
2
votes
0
answers
2k
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FTP User/Group permission on VSFTPD and UBUNTU
I developed a vsftp server with three user groups: g1, g2, g3. Each group has a folder with its name. For example.
/home/server/g1
/home/server/g2
/home/server/g3
Each group also has users
sudo ...
0
votes
1
answer
1k
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Linux auto chown web uploaded files to users folders
I have a home server that stores my files and I access the files in my internal network with samba. I have 3 users and each user has its home folder on /home/user.
In order to access the files from ...
2
votes
3
answers
4k
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How to automatically change permissions and owner:group on any file added to a specific directory?
I run an unRAID server (unRAID is based on Slackware) and would like to find a way to automatically change the permissions and ownership of every file added to a specific directory.
Specifically, I ...
0
votes
1
answer
108
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Can I undo a `sudo chown -R /` on Mojave? [duplicate]
I ran a command that ended up executing as
sudo chown -R /
Can I revert / to default permissions?
0
votes
1
answer
46
views
How do I stop a file changing groups when it is edited
My Debian LAMP web server has files in the website document root with owner:group set at [username]:www-data.
When I edit such a file by connecting using sftp and using a text editor the group ...
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0
answers
599
views
Mount a windows path (cifs) in a voulme of a docker image
I have a windows file server and an Ubuntu machine which runs docker. Inside this docker there is a Nextcloud container. The /var/www/html inside ther Nextcloud container is mounted as volume on the ...
10
votes
7
answers
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chown -R exclude some directory
I want to exclude some large content directory
I'm Using it to chown Directory
chown -R admin /home/admin/web/public_html
is there anyway to exclude a subdirectory under html
Like:
chown -R admin ...
-1
votes
1
answer
1k
views
i need help reversing a chmod, chown and 'whoiam' code
I used this code on an app:
chmod 600 /Applications/Freedom.app ; chown 'whoami':staff /Applications/Freedom.app
Does anyone know how to undo this?
8
votes
4
answers
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chown: /usr/local: Operation not permitted
How should I fix this?
Tue Oct 31 21:52:56 mona@dhcp-wifi-8021x-155-41-82-88:~$ brew update && brew upgrade && brew cleanup
Error: /usr/local is not writable. You should change the
...
0
votes
1
answer
3k
views
Can't change owner of folders/files on thumb drive
I have a drive being mounted (either manually or automatically using usbmount) and I can't change the owner or modify the permissions on the mounted drive or folders/files within in order for Mono to ...
1
vote
1
answer
2k
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How may I mount an external drive in fstab and give owbership to multiple users?
I mount an external drive on my Raspberry-Pi (Debian/stretch) and I mount my external drive in the fstab like this:
UUID=1AD09862DC893951 /media/USBHDD1 ntfs-3g nofail,uid=pi,gid=pi,umask=007 0 0
...
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2
answers
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Centos: Apache needs to read files created by Tomcat
After trying a lot of different solutions I came here for some help.
I have a web apps in apache HTTPD which serve the frontend and a Java app in Tomcat in the same server.
The thing is that the ...
1
vote
2
answers
4k
views
Ownership remains unchanged after `sudo chown` in ubuntu
sudo chown reports that it has changed ownership but stat shows that they remain unchanged. I have absolutely no clue as to what might be causing this behavior. Commands and their output are listed ...
0
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2
answers
413
views
How to see when folder access permission is changed?
How to see when folder access permission is changed?
The folder now has 777 permission and I want to know when chmod command is run for it. Is it possible?
My OS is Ubuntu.
Thank you.
7
votes
1
answer
50k
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What is the effect of "chown nobody:nogroup"?
What is the effect of chown nobody:nogroup on a single file or directory and what is the effect on files within a directory?
0
votes
1
answer
4k
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Setting up a local development environment with nginx on Linux (ubuntu)
I recently moved to a new computer, and copied over all existing git repositories for webdevelopment projects from my old computer. On that old computer, I had installed apache to serve certain ...
1
vote
1
answer
2k
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Undo mistaken chown of /usr/bin on macOS Sierra
I made a huge mistake. I wanted to change permissions for /usr/local/bin, but changed permissions for /usr/bin instead. Now I can't use sudo and others. I tried to change it back, but operation is not ...
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vote
1
answer
2k
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linux permissions / chown vs ftp
I have (I guess basic) problems with Linux permissions/ownership.
I have FTP user "ftp".
Then I have all files on my server under different user "nginx".
To make the websites work I need to have all ...
0
votes
0
answers
794
views
cannot chown file as root
After mounting a NTFS or fat32 partition (not as readonly), I try to change it to my user permissions with
sudo chown user: file
However I am then told that the "Operation is not Permitted".
I have ...
2
votes
2
answers
8k
views
How to fix broken "etc/sudoers" ownership on EC2?
Backstory: I was trying to get PHP to execute node, but ended up changing permissions / ownerships on probably more files and folders than I should of.
At one point I stumbled upon someone's ...
1
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0
answers
56
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Logging into new FTP server, but no directories show up
I've tried this with both ProFTPD and SFTP. I'm trying to chroot a user to /var/www/user however when I log in to the FTP server with their account, I get "/var/www/user: No such file or directory". ...
0
votes
0
answers
898
views
Best way to ensure the contents of a directory is always owned by Apache
We have a couple Apache VirtualHosts on a CentOS 7 server, and the PHP sometimes requires the ability to create/edit/delete files and/or folders, so it's important that the permissions always be ...
1
vote
2
answers
4k
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How to use wilcards on chown command?
I need to use wildcards on chown command. Example:
# chown app:demo /opt/app/users/*/demo
I get the following error:
chown: can not access "/opt/app/users/*/demo" ': No such file or directory
But ...
0
votes
1
answer
666
views
Change owner on its own directory
I have a script running with the user user1:user1, making operations inside a directory dir.
At the end of the script, I would like to use chown to change the owner of the script to user2:user2
But ...
0
votes
1
answer
1k
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Script asks for root password even it has executable permissions for everyone
I have a script with name "somescript", which has executable permissions for everyone (755) but when I try to run it with a non-root user it keeps asking root password. I even tried setting to 4755 ...
4
votes
2
answers
8k
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Unix chown/give permissions to www-data and user
I have a user, 'joe', to whom I would like to grant permissions (for /var/www/html/) so that I can use ftp (with vsftpd)
So I run this command:
sudo chown -R joe /var/www/html/
And that goes well, ...
0
votes
0
answers
84
views
Unable to change owner on a mapped drive directory
I am using a script to copy files from amazon instances to a network drive using rsync. After the file copy I am trying to change the owner of these transferred files but am not able to. What is the ...
1
vote
2
answers
841
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Confirmation prompt for chmod, chown
I'm just trying to add a confirmation prompt to a few linux commands like chmod and chown.
I've tried to google this but I can't find much information on the topic.
While searching I found out ...