Questions tagged [chmod]
A Unix tool for changing file permissions
248
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2
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Efficiently removing x-bit from files in large directory
I have a directory /some/dir containing millions of files and directories. I need to remove the X-bit for all file, but not from the directories.
The following works:
find /some/dir -type f -chmod -x {...
- 652
1
vote
0
answers
16
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permissions and rights on a shared drive
I don't understand exactly how things work and how to solve the following correctly.
I have a mounted HD to my server, to this I upload and download photos from domain X. This works perfectly. Domain ...
- 111
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0
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197
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What are the proper permissions and ownership (including wp-config.php and .htaccess) for Wordpress installations on a LEMP server
I am running an Ubuntu based Linux/Nginx/MariaDB/PHP (LEMP), server with my Wordpress installation in the root account at /var/www/example.com/. My Wordpress is running as the www-data user, and Nginx ...
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votes
1
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User unable to access files in a folder with SUID S bit set
I have a folder which I want to share with users of a group named frx. I had applied chmod g+s to the folder, but for some reason the SUID bit (for folders in the /home/frx directory) came out as S ...
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set the permissions on all the files and folders within a directory (CentOS 7.0 )
I kind of new to Linux/Centos world, is there any way to set the permissions on all the files and folders within a directory. I know chmod 777 will set permissions on the directory, but if it already ...
0
votes
1
answer
212
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Webserver and permissions - two users having rights to modify specific (but not all) files
So,the typical situation is like that: webserver (in this case nginx) works under the www-data user.
And then there is also 'konrad' user, which is just an ordinary user.
And now, the whole website (/...
- 103
0
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0
answers
411
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How to preserve file access time when using `chmod`
I would like to know how can I preserve file access time ("atime") when using "chmod". Sometimes I need to use the code below:
chmod -R 777 /directory
It works fine, however all ...
- 11
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0
answers
1k
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vsftpd : permission denied
Running on debian10
My website :
/home/mysite.com drwxr-xr-x 16 www-data www-data
I added a new user with
adduser alex
Content of /etc/vsftpd.conf
nano /etc/vsftpd.conf
listen=YES
listen_ipv6=NO
...
- 827
0
votes
2
answers
234
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Permissions Numbers Linux
Going through with permissions and understanding permissions, I understand thats the 3 is not part of the owner, group, other. I also know that 7 is the highest permission for those three sets, what ...
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1
answer
2k
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home/username directory chmod 750 best for security but are some errors
in directory /home/username/public_html
I have a website with CMS.
When I change chmod of /home/username directory to 750, my site doesn't work. I believe my CMS have no access to it.
Is there any way ...
user951556
1
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1
answer
436
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Should both root and wheel users own the files that originally were only owned by root?
Should a wheel user that was created to disable root login and secure SSH have the same ownership as root from a security point of view?
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1
answer
493
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NFSV4 w/CHMOD & CHGRP
I'm just starting off with NFSV4 and had a few questions. So normally when creating an NFS share on a NAS filer and mounting on a client I would run a chmod & chgrp to set things up the way I want....
- 31
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0
answers
114
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Noexec vs chmod -R -x for malware interogation?
I am setting up a Linux box to examine malware samples. I wanted to create a directory where I could safely unzip each sample and run very basic triage commands against the file to collect ...
- 257
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votes
1
answer
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change permission of mounted folder in linux
i mounted a folder from windows to Linux's like so
in windows end the permission is set to everyone
and on my linux end i did this
# mount -t cifs -o username=sprite//173.11.111.99/win-share /mnt
...
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0
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1
answer
364
views
How to change folder permission using FileZilla Client on Windows for Filezilla Server on Windows Server?
I have tried many things including using Cygwin with a domain user because Windows Server cannot use CHMOD which FileZilla tries, but nothing worked sadly.
I am open to using a different FTP Client if ...
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0
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271
views
chmod or cd to a directory is not working
I have a file in a directory with root root permissions. But even with root user I am not able to change the permission or cd to that directory, even not able to change the permissions.
$ lsattr AWS/
$...
- 13
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vote
2
answers
6k
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rsync: [generator] failed to set permissions : Operation not supported (95)
I want to virtualize correctly Android 10 on top of my Jetson nano (arm64) using qemu and kvm on ubuntu 18.04. This is the tutorial that I'm following :
https://github.com/antmicro/kvm-aosp-jetson-...
- 143
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2
answers
151
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Protecting sites contained in the same Apache directory
I've set up all of my sites in different /var/www subdirectories.
Let's say I have 5 sites based in a CMS like WordPress in /var/www/a.com, /var/www/b.com, /var/www/c.com, /var/www/d.com and /var/www/...
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0
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1
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Security-wise file ownership & permission setup for LEMP server to be managed via wp-cli and wordpress dashboard?
I'm on a LEMP VPS with the following setup;
cd /home/$USER/public/myDomain.com # change directory to myDomain.com
chown -R nginx:nginx . # change file ownership
find . -type ...
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1
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2
answers
1k
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screen inside systemd daemon on CentOS 8
So I want to run screen inside a systemd service so that I can give the process (inside the daemon) commands while it is running. See at the end of the question for examples of what I want be be able ...
- 11
1
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2
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148
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chmod issue - Incorrect Command Issued
From this linked post (answered by @dmourati):
How can I make a user and give read only access?
On a CentOS box
When attempting to create a readonly account, the command
chmod -R o+rx /
was executed ...
- 11
0
votes
1
answer
1k
views
Different permissions for guest and non-guest users in Samba
I am configuring a samba server for file sharing. I was wondering if there is a configuration setting to map different file or directory masks to different users.
I am attempting to allow admin users ...
0
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2
answers
310
views
Recursive chmod of all vhosts httpdocs directories on CentOS/Plesk [closed]
A shared web hosting server running CentOS 7.8 with Plesk has the following directory structure for a few hundred vhosts:
/var/www/vhosts/domain1.com/httpdocs/
/var/www/vhosts/domain2.com/httpdocs/
/...
- 103
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0
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28
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Security best practice: revoke execution (-x) permissions for directory, or do recursively to change every contained file?
I have a question about security best practice when configuring a device to be used to users, who should be able to use a programme, but not modify the system.
Let's say I have a folder /opt/myapp ...
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1
answer
612
views
crontab not working for deleting a old files from log folder
I have this line in my crontab to delete old files:
1 * * * * find /var/log/abc/ -mtime +7 -type f -delete
Unfortunately, it does not work.
I have attempted to give all users permission to clear ...
- 103
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1
answer
465
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Effect of chmod -R 777 *
A newbie here.
Can someone help me understand what are the effects of running the following command from a directory:
sudo chmod -R 777 *
Will it effect the whole file system or the contents of ...
0
votes
1
answer
78
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Proper rights and owner for web executable file saving/reading sensitive information
I have app wrote in php that saves and reads sensitive information into file /sensitive/sensitive.txt. File that is saving and reading sensitive information is user.php. The whole app is in a separate ...
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1
answer
1k
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Cannot write with dir permission 666, but can write with 777 [closed]
I am using Kali as root user. I did setup an atftp server in a folder (created and owned by root) and gave 666 permission on that folder. But I noticed users get permission denied error while ...
0
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0
answers
953
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chmod permissions in an ACL folder
I set up a folder managed by ACL, meant to let specific "manager" users have total control over files in it. File access seems ok (e.g. a manager user can delete a file owned by any other user) but ...
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1
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2k
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Can't see files when browsing nginx webserver. Incorrect permissions?
I am using centos 7 with nginx 1.12 to host a yum repository locally.
When I try to browser the files via the browser, I can see the folders, but no files inside them. Im wondering if i might not have ...
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votes
1
answer
3k
views
How to have multiple users access to chmod() the same file?
I have a system where multiple users are running an application that chmod the same file. I've tried using setacl to add both users as user owners of the file to do this, but it doesn't work. The ...
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SSH login are disabled after chmod 444 -R myfolder / [duplicate]
I have accidently ran chmod 444 -R myfoler /.
Because of a space it changed root dir permission , I have immediately stopped but now all my login are disabled except root.
Please need help asap.
...
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votes
1
answer
643
views
CHMOD file and directory permissions changing back [closed]
I have a website and I am trying to link an image stored in a directory, however when I change the file permissions to 775 they change back to 644 and the image isn't displaying. It is showing a Error ...
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0
answers
372
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Allowed SSH user can't edit files in Centos 7
I am working on a remote virtual machine running Centos 7 via ssh. I want to give my user read and write permissions on /var/www/html. What I did is:
sudo groupadd webdev
sudo chgrp -R webdev /var/...
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votes
2
answers
239
views
Can I reduce CPU usage on a large recursive find + chmod command?
I'm using the following command to perform permissions fixes:
sudo find . -type f -exec chmod 470 {} \;
There are many thousands of files to update the permissions on. It also spikes the CPU usage ...
1
vote
0
answers
203
views
bad ownership or modes for chroot directory "/var/www" [duplicate]
I created a new group and user so it can connect to server using SFTP. This user's directory is set to /var/www. Running ls -ld gave me following result:
drwxr-xr-x 4 root sftponly 4096 Aug 12 04:...
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1
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/var/run/screen permissions changing to 775 without restart
Good <Insert Part of Day>,
I am currently having an issue with several of my boxes running CentOS 7.3.1611 wherein the permissions for /var/run/screen are being changed to 775, resulting in the ...
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1
vote
1
answer
225
views
chmod -R +rx on RHEL 7.2 doesn't set permissions
We have an odd problem on some of our RHEL Server 7.2 VM's:
Executing sudo chmod -R +rx doesn't change the read/directory flags for any of subdirectories. However, executing sudo chmod -R a+rx works ...
- 123
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2
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925
views
How to manage FTP and CHMOD / CHOWN when working with a freelancer?
Nowdays, when working with a freelancer, I add a new user to Debian, create a ftp access to this user and give that to the freelancer
Problem is that freelancer can access some data I want to keep ...
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1
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59
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Chmods don't seem to apply
I have a script I periodically run that reapplies FACL and chmod permissions for home directories of gameservers I run.
The script first issues a home-directory wide recursive chmod, and then chmods ...
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1
answer
915
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ubuntu, folder perms, drwxrwx---, php user in group, can't create file
i'm stuck & need help understanding file create permission for members of group.
in php, i want to fopen / create a file in a folder that is owned by mysql:mysql
(for importing data into mysql)
...
- 141
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votes
2
answers
5k
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SaltStack: How to work around "file.recurse doesn't preserve permissions"?
How to work around Recursive directory management doesn't preserve permissions?
I want to copy all files in (local) /monitoring/files/etc to /etc on the minion.
copy_files_in_etc:
file.recurse:
...
- 3,573
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votes
1
answer
583
views
chmod for all sub directories
There is command that change the folder permission for all subfolders
find . -type d -exec chmod 755 {} \;
I understand d is for directory and chmod 755 to make all directory as 755
I want to know ...
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1
answer
4k
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Php can't write anything [duplicate]
Just moved my websites to my first vps (centos 7). So i'm very new to linux. Now I have a problem: php cant write anything. Can't make dirs, files, edit them. Php runs as "apache" Things I tried:
...
0
votes
1
answer
1k
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Permission denied for user in www-data group
I have a development server running wordpress. The wordpress files are owned by www-data:www-data.
I wanted a quick way to be able to upload so I added my user to the www-data group and then did a ...
- 243
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votes
1
answer
249
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WordPress can't install plugin even file permission is correct
I have apache2 server, of course apache2 is running on www-data account.
All my WordPress files is own by root:webmaster, and have the g+w permission.
Three of the accounts in webmaster group are ...
- 143
30
votes
5
answers
169k
views
chmod not working correctly in Docker
I'm building a Docker image for my Symfony app and I need to give permission to apache server to write into cache and log folders
#Dockerfile
FROM php:7-apache
RUN apt-get update \
&& apt-...
- 403
2
votes
1
answer
1k
views
Prevent deletion of folder but let access to everything inside of it
I know there is the +i flag for files and directories, but i have a deeper Problem.
Is there a way to prevent a folder from being deleted by an User which should be able to create / access / remove ...
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32
votes
1
answer
6k
views
Which permissions should I set to dhparam.pem?
I am generating Diffie-Hellman parameters for the ssl_dhparam directive in the SSL configuration of nginx.
The file dhparam.pem is created with the command openssl dhparam 2048 -check -out dhparam....
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12
votes
1
answer
52k
views
Nginx doesn't have permission to access files with the same ownership
i've just installed nginx on an Archlinux box and encounter this problem:
Nginx is configured to run as "nginx", a new user/group that I added, in /etc/nginx/nginx.conf:
user nginx nginx;
For ...
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