Questions tagged [chmod]
The `chmod` command is used to adjust file permissions to read, write and execute for the owner, group and others.
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How do I change permissions for all files associated with a program?
I'm trying to set up the DAW Bitwig Studio on my Ubuntu Laptop and when I run it from terminal it crashes due to some files associated with it not having permissions. Is there a way to change ...
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16.04 LTS - Set Permissions On New Files
I'd like to have permanent 'CHMOD777' permissions on all new files into a samba directory, so that everyone has read/write to the existing and new files there. How do I set this? Is there a terminal ...
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Can't login after chown command [closed]
I just installed elementary OS dual booted with windows 10. After the installation. I saw that the / root directory has every file and folder locked. I can't rename, delete or create anything there. ...
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1answer
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How to return to old chmod owner permissions after changing all to root
I did the command
chmod -R www-data:www-data /
But after that, nothing worked. So i found on the internet that you can returen back to your default permissions with:
perl -0ne '$_ =~ m{^(\d*\d\...
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Python IOError: [Errno 13] Permission denied in ubuntu?
I want to write string character to file, but i get error like this IOError: [Errno 13] Permission denied: '/python/add.txt'. how to solve this?
this is my code
q = open('/python/add.txt','r')
a = ['...
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problem with permission chmod, could not set 'core.filemode' to 'false' (using git clone on a fat32 partition)
I'm tryin to git clone a repo on a folder in a fat32 partition, and I get this error:
$ pwd
/media/data/sas/devel/apps
$ git clone git@gitlab.com:xxxxx/xxxxxxxx/xxxx.git
Cloning into 'notes'...
...
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1answer
273 views
`df` command throws error on /run/user/1000/doc/ folder
When reviewing my daily logwatch report, I noticed a new df error this morning. I noticed the unusual error at the top of the df listing...
~$ df (when run manually from my own account)
df: /run/user/...
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41 views
Revert /root/ user's home directory permissions
When I realized that I did not have permission to access to the /root user's home directory, I followed the advice from this post which was to execute the command sudo -i (which I did) and then ...
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How bad is it that I gave full permision for all my /usr/share folders?
By mistake ran sudo chmod - R a+rwx /usr/share.
I am the only user of this computer, but I am afraid of viruses and whatnot and
I have no idea how to return the settings.
Thanks in advance for the ...
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1answer
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I changed chmod to /usr/share/applications/ how to undo
I have just installed today ubuntu, and at the end of the day to add an application to favorites I have changed access to /usr/share/applications/ by:
chmod 744 /usr/share/applications
As a result ...
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1answer
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What is the default permission to linux structure? I set permission 777 but I want to set defautl permission
I make a mistake, originally I set 777 permissions to all my root structure folder (I had a login loop), but I was able to change with 755 (root owner and root group).
For safety reasons, I would to ...
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403 views
Trying to change owner of partition as su but get “Operation not permitted”
I'm new to ubuntu so perhaps these questions are naive. I have a partition I would like to write to so I'm trying to change the ownership of to me. I've typed:
sudo chown <my username> /mnt/...
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1answer
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why doesn't mkdir -m 07 test use umask?
umask returns 0011. Consequently, when I do mkdir -m 07 test I'd expect the resultant directory to have d------rw- permissions but it doesn't - it has d------rwx permissions.
What's up with this?
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Ineffective 'chmod' changes
I want to give all access to anyone for the files in some folder. I used the chmod command like this:
sudo chmod 444 -R -v ./amazon_samples_500/*
with the verbose -v option, so that I could monitor ...
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1answer
178 views
Undoing `chown` command?
I was installing a few softwares which prompted that :
Download is performed unsandboxed as root as file couldn't be accessed by user '_apt'. - pkgAcquire::Run (13: Permission denied)
So I did:
...
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1answer
55 views
Can't connect to Postgres
I made a really stupid thing: I ran sudo chmod -R 777 / for all folders inside the root directory. After that even sudo didn't work because of invalid permissions. I fixed the problem with sudo, but I ...
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Help with system file permissions, chmoded everything -R and go!
I accidentally, on purpose, changed my entire computer to
chmod -R a+rwX /usr
Using the command
sudo chown -R :users your_directory
Just to change permissions for a folder in Stellarium for a ...
2
votes
1answer
715 views
Why /var/run/docker.sock permissions are changed every time I log out? How can I forbid it?
Everytime after logging in I am getting permission denied while trying to connect to the Docker daemon socket so I need to execute sudo chmod 777 /var/run/docker.sock to solve it. I am curious why and ...
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5answers
152 views
Why is chmod not recognizing file operators
I have a directory (called server) where the permissions somehow got messed up, so I need to change all the permissions back. My current command is
sudo chmod -R -c a+w *
But chmod just says chmod: ...
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Shadow File Permissions
I have some issues with files /etc/passwd and /etc/shadow. Both of them are without permissions.
And I don't know how this happened or why. Basically I can't edit/remove these files or change ...
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1answer
49 views
Allow read/write access to a folder in the /var folder
Bonsoir à, s'il vous plait je débute sous Ubuntu et pour terminer l'installation du logiciel testlink sur Ubuntu je dois dois créer un certain dossier dans la racine /var/testlink.
Mais en voulant ...
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I used chmod /.ssh inside docker, but it changes permissions on host
I run chmod -R 600 ~/.ssh/ inside a docker container, but it changes permissions on host.
If I run it with sh -c "chmod -R 600 ~/.ssh/" it works correctly.
Any ideas why this is happening?
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permission denied even as root!
recently we had to transfer some files between our servers(both ubuntu server 18.04). apparently the person who did this, didn't use the -a option of rsync(to preserve ownership information). So now, ...
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mkdir - read only system
Newby here (it has been decades since I have used UNIX.)
Linux (ubuntu) on a chromebook.
From the opening of the command shell I issue ls and I get a bunch of directories. I want to create a sub-...
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1answer
133 views
Locked out of dedicated server because of chmod
So, I accidentally ran chmod -x / instead of what I meant to, and therefore broke a load of stuff on my server. Because of this, I can't do things like log into the normal way, and am having to use ...
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1answer
131 views
Cannot write to external WD hard drive - Ubuntu Server 16.04
I am compelled to add a new thread as a million people have some other variant of my problem but I cannot seem to find help in their threads. I have tried a dozen things and more, but nothing works.
...
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votes
1answer
518 views
Does chmod 700 hides directory from other users or just restrict them to display files inside the directory?
My home directory contains 'project' as a directory which contains 'confidential' as sub-directory and 'confidential' contains some files.
I just want that only I can access this folder and other ...
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1answer
474 views
How I can make the launcher of BURAI for Quantum espresso in Ubuntu?
I am trying to install BURAI for Quantum espresso on Ubuntu. I am new on Ubuntu, and I keep getting the message below every time I try to make the BURAI launcher file using "makeLauncher.sh" of BURAI ...
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1answer
150 views
How to set read+executable permission in internal drive when chmod 777 * is not working?
I have installed ubuntu 18.04.3 LTS in my system 3 months ago. After 2 months, I don't have the read and write permission on any internal drive except my system drive. I have used chmod -R 777 * in ...
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restoring permission i have accidently given using chmod
Accidently while changing the writing, reading rights for the folder, i gave all the rights for editing my HOME directory, using
sudo chmod -R 777 /home
I came to know about it, after seeing ...
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Teletalk huawei 3G Modem Install Ubuntu 18.04 LTS error
Installed version: 23.015.15.00.1081
Installing version: 23.015.15.00.1081
The software is exist. Do you want overwrite it? ([Y]/N):y
Local path is: /usr/local/Teletalk
Installing Teletalk...chmod: ...
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1answer
67 views
usermod for domain folder
I create couple websites on my home web server. In some articles I found that I have to use : sudo chown -R $USER:$USER /var/www/your_domain
other sources recommend to use: sudo chown -R www-data:www-...
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votes
1answer
338 views
what does permission d------— means
I just run chmod 765 -r ./ hoping the last part(./) would enable me to run the command on the current working directory. That current working directory was my laravel project. Now I couldn't access it ...
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2answers
331 views
Issue with changing permissions
I don't understand why the permission does not change for a user when I run the chmod command with fakeroot.
Initially, the file has these permissions:
-rwxr-xr-x a.txt*
When I try to change the ...
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1answer
69 views
Revoking all permissions from SMB shared folder for others
I have a Windows shared folder at a remote computer storage which is mounted in my Ubuntu 18.04 system by the following line in /etc/fstab:
/xyz.xyz.xyz.xyz/folderName /media/data cifs uid=root,...
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1answer
58 views
How to get back WiFi after running sudo chmod -R a+rwx in home folder
I mistakenly ran the following command in my home folder:
sudo chmod -R a+rwx
Afterwards, my Wi-Fi now says no adapter found. How do I correct this? Thanks.
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1answer
672 views
Use a ext4 USB stick as “normal” pendrive
My goal is to have a USB drive in ext4 and to use it as a normal Fat32/NTFS pendrive (or usb box drive). I would be happy to forget NTFS and Fat32 and to use this USB Drive with all pc in my local ...
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1answer
127 views
chmod - R 777 - 775 does not work what do i do?
I'm currently developing an entertainment platform, I'm working as a web developer at a web bureau.
This project is my own personal project, it runs a LAMP stack on DigitalOcean.
At work, we have a '...
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1answer
67 views
Blocking a command from execution in ubuntu
I have a shared PC with Ubuntu in it, My friends may also want to use sudo.
But I know they often play with the command
chmod -R 777 /
I need to know is there a way to specifically block this ...
0
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1answer
193 views
Cannot access '/usr/local/
Hello I was trying to install Huawei E173 driver by following steps that are available in https://www.ubuntu4u.com/howtos/how-install-huawei-e173-usb-modem-ubuntu-10041204-lts
When I executed sudo ...
13
votes
1answer
365 views
Accidentally ran non-recursive chmod 754 at root directory level
I accidentally ran a chmod 754 ./ when I was at the root directory on the server which runs Ubuntu 18.04.
Now I cannot use commands like sudo or pkexec, nor can I change anything. What should I do? ...
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1answer
297 views
Symbolic equivalent of chmod 600
The following is often used to set file permissions, a good example being setting a key file to an appropriate permission level to be used by ssh (this being the "octal" form):
chmod 600 filename.xyz
...
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1answer
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'chmod -644' would set file permission to 000
I had a file with 644(-rw-r--r--) and wanted to change it to 664(-rw-rw-r--), after running:
sudo chmod -664 my_file
file permissions were set to 000(----------).
Trying to change the permissions ...
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1answer
671 views
Why shouldn't I set 777 permission to /var/www?
I know I am not the first to ask about it, but it's still not clear to me.
I mean, on this post we can read that
777 is a bad permission in general and I'll show you why.
Despite how it may ...
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1answer
104 views
Apache2 permissions in /var/www/ multiple websites
I am working on a desktop environment with Ubuntu 18.04.
I have my Apache 2 server setup with multiple websites in the folder /var/www/ (each site lives in its own folder there)
Made myself owner ...
0
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1answer
121 views
Folder permision
I am unable to copy or paste in other local disk in Ubuntu 18.04 LTS.
I have tried sudo chmod -Rf 777 /media/atanu/Study where study is my local disk name. It is showing permission issues.
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1answer
242 views
/etc/sudoers is owned by gid 33, should be 0, and when I try pkexec I get “authentication failed”
I was trying to get access and write permissions to my apache sites-available folder over ssh/sftp. I didn't really understand what I was doing to be honest and ran the following commands:
$ sudo ...
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1answer
237 views
chmod rx invalid
jaime@OpticaOmegaPlus:~$ echo 'date %T' >/tmp/midate; chmod rx /tmp/midate; /tmp/midate
chmod: invalid mode: ‘rx’
Try 'chmod --help' for more information.
-bash: /tmp/midate: Permission denied
...
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1answer
651 views
chmod has no effect on files on flash drive
My old box running ubuntu 9.04 passed away, so I plugged a flash drive into a newer box running ubuntu 16.04.
But, I can't run scripts from there, because all files lost the x-permission.
I can copy ...
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1answer
1k views
How to sudo chmod -R 777 * including hidden files?
Basically what I want to do is all in the title. If I want to grant read, write and execute permissions for everybody in a folder then I usually do:
sudo chmod -R 777 *
How can I extend this command ...
