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 to chmod files that have a specific set of permissions
I want to find all files in a folder that have -rw-r----- (640? is that the right code?) permissions, and change them all to have -rw-rw-rw- instead. How do I do this, with chmod?
I know I could do ...
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votes
2
answers
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Untrusted Application .desktop (solutions given haven't worked)
So I recently installed Quartus II Lite 18.1 on my Ubuntu. After a smooth installation through terminal (I forgot to click launch application while I was still in root).
Now the desktop icon appears ...
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1
answer
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change owner and read write permission of file [duplicate]
I have one file with root ownership,
-rw-r--r-- 1 root staff 92229 Feb 6 10:51 oneFile
-rw-rw----@ 1 John staff 5242880 Feb 7 00:14 anotherFile
How can I change oneFile ownership ...
91
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4
answers
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WSL Ubuntu Distro | How to solve `Operation not permitted` on cloning repository
I am running Ubuntu 18.04, as a Subsystem for Windows. I have done this in mutliple PCs and never had this problem. I try to to git clone <repo>, and I get this:
Cloning into '<repo>'...
...
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1
answer
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Sudo not working for chmod
I am trying to install a piece of software on a clean AWS instance. It requires changing permissions on a bunch of files.
The first batch goes ok after
sudo chmod 644 config.local.php
sudo chmod -...
0
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1
answer
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Ubuntu set permissions for future created files
I create a file host.txt and add some data
I debug PHP for 3 hours, only to know that PHP couldn't write to the file. How can I set default 775 permissions on all files that are created from now on ...
1
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1
answer
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chmod: changing permissions of file system
I'm having problems to execute file in my VMware folder, I tried changing permissions, but it does not change but give this error:
chmod: changing permissions of <filename> Read-only file ...
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3
answers
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How to solve this error `sudo: /usr/local/bin/sudo must be owned by uid 0 and have the setuid bit set` without reinstalling ubuntu?
TLDR: I am running Ubuntu 18.04 with i3 and I messed up my permissions. Whenever I run a command with sudo, I get this error message, sudo: /usr/local/bin/sudo must be owned by uid 0 and have the ...
0
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1
answer
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I am not able to write on a network drive (Hosted with samba) using a php program. Why?
I have a network drive service hosted on Samba(Whose settings I can't change) when I mount it on my ubuntu pc using mount.cifs I am able to read write it's content. To make a directory or file there ...
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1
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How can a new user be given write/chmod permissions to a single file and write/chmod permissions for that file then be removed from root?
I have a friend (with root access) that wants to prevent himself from having write access to /etc/hosts. I'm wondering if he can create a new user, give me the passcode for that new user, grant that ...
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Need to give permissions to /tmp/cache and /tmp/templates_c but can't find them
When I open my website it shows me this:
The following directories must be writable by the web server:
tmp/cache
tmp/templates_c
Please correct by executing:
chmod 777 tmp/cache
chmod 777 tmp/...
7
votes
2
answers
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Fix setuid and setgid bits in /usr?
I did something stupid:
chown -R root:root /usr
chmod -R g-w /usr
Apparently, the best thing I can do is reinstall the system. However, my system works fine so far - is there anything immediately ...
1
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2
answers
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I used the find command without specifying a directory
I used this command without specifying a directory:
sudo find -type d -exec chmod 755 {} \
What could have happened? I was in the /var/www/html folder. Did it change any permissions outside the /var/...
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2
answers
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How do I use chmod to make .sh files executable? [duplicate]
My touch overlay is failing to respond in portrait but in landscape I got to a page where I am able to rotate touch input so that it can work in portrait (using this advice on Ubuntu Forums), so I ...
0
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1
answer
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How to use chmod to give a single user from my group permission to my directory?
so ubuntu noob here but I'm in a group with different people having different usernames. So I made a directory, and I want to share this with a single user from that group. How do I achieve this? I ...
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2
answers
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Chown and chmod in ubuntu with different applications using common files
I'm having problems with chown and chmod in ubuntu 18.04.
When I use php + nginx:
touch ('/var/www/a.log');
user:own of a.log is nginx:nginx and chmod is rw-r-r--
when i use
shell_exec('ffmpeg -i' ...
12
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1
answer
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How to set permission "-rw-rw-r--" to file?
I have a file with permission -rwxr-xr-x in Ubuntu. How can I change it to -rw-rw-r--. I played with chmod settings, but was unable to get -rw-rw-r--.
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2
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CHMOD 777. In terminal, the command to make all changes affect every file and folder?
I am typing this:
chmod 777 /home/to the destination ...
But all locked and what I want to do is to make all files and folders to have read and write permission without doing each file/folder ...
0
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1
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simplescreenrecorder: Permission denied
I'd like to use a location different to my home directory for recording videos using SimpleScreenRecorder. However, when I "Browse..." File -> Save as: I get the following error message:
Could not ...
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0
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What is the difference between "chmod +x" and "chmod a+x"? [duplicate]
What is the difference between chmod +x and chmod a+x?
I know both of these commands make a file executable but what is the difference between these two commands?
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1
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Can Unison transfer the executable flag?
I create a Unison setup between my work computer and my desktop at home. This way, I can continue my work at home (and vice versa), even when I forgot to commit something to GIT at work (and vice ...
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1
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Cannot change ownership of partition
I've been trying to change ownership of an ext4 partition but it just won't work, telling me there's no such file or directory.
Here's the relevant output of lsblk
└─sda2 8:2 0 411,7G 0 part /...
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0
answers
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Gaining root access then changing folder permissions
I need to change the permissions on a folder and its sub folders from 'root' to me 'andrew'. First I need to log in as 'root' to be able to change this - correct? The folder is - /usr.
Chown and ...
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1
answer
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Setting separate file permissions for Owner, Group, and All on the same folder
How would I grant myself full file permissions on a particular folder, and also allow others to write to the folder (but not view its contents)?
I have already tried chown and chmod commands.
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0
answers
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NextCloud Wont Launch
I just installed Ubuntu (encrypted) on a surplus server to use as an in-home NAS. I'm trying to get NextCloud up and running, but it failed to launch and popped up a terminal window with the ...
0
votes
1
answer
580
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Stuck for applying permissions with Ubuntu 18.04
This worked on an Ubuntu 14.04 machine. I just switched to Ubuntu 18.04. This isn't working.
It's all updated.
I plugged in an external drive. I went and looked at the drive through the gui, if ...
3
votes
3
answers
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"chmod: missing operand" while installing tomcat 7 on Ubuntu 18.04
~/tomcat/apache-tomcat-7.0.90/bin$ sudo chmod 700/tomcat/apache-tomcat-7.0.90/bin/*.sh
chmod: missing operand after ‘700/tomcat/apache-tomcat-7.0.90/bin/*.sh’
I am not able to understand this error.
...
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0
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chmod 400 will not change the permissions of a file [duplicate]
I have to change an RSA key file (.pem)'s permissions to 400 so I can use it to connect to an AWS EC2 instance but for some reason I cannot seem to do so. I am in the folder where the file is located ...
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0
answers
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chmod +x seems not to add the command [duplicate]
I'm trying to set up the High Precision AD/DA Board from Waveform. The last step is to run sudo ./dac8532_test, where it notes in the instructions that if command not found, to run chmod +x. The ...
0
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0
answers
708
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Cannot execute binary file for ADOM
I wanted to install a roguelike on my Gallium OS system(I believe galliumos is based of off 16.04 Ubuntu) so I installed the game and ran these commands.
chmod +x /home/chrx/Documents/adomgraphical/...
0
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1
answer
309
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Wordpress permissions Ubuntu 16.04
I moved my WP installations from Centos 6 to Ubuntu 16.04.
I cannot update Wordpress using a separate user for each website.
I set the following permissions:
find /home/mysite -type d -exec chmod ...
4
votes
1
answer
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Hide contents of the home directory
I have a lab of computers used by a dozen students.
Each computer mounts a specific NFS share with a few directories in it, visible to all students.
Some of the students need a place on the network to ...
2
votes
1
answer
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Change only file permissions in a folder NOT RECURSIVELLY
I have a lot of files in one specific folder, and I want to change the permissions only for files and only in this folder (not subfolders), how can I achieve this? Thanks in advance.
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2
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Unable to add or delete to internal hard disk (Not a file permission issue)
I have Ubuntu 18.0 LTS, I have a internal harddisk of 1 TB but the problem is I am not able to copy or remove anything from it, I checked several questions similar to this but none of them worked. All ...
0
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1
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Removing exeuctable bit on ntfs stored linux files corrupts files
I have a shared partition setup as ntfs for storing Linux files between distros and WSL. My /etc/fstab for the shared partition looks like this:
UUID=F2C2ACE4C2ACADF3 /mnt/e ntfs-3g permissions,...
4
votes
2
answers
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Can't change the owner of a folder
I want to change the owner of a folder. The path to to that folder is /mnt/8A30AA8B30AA7DB7/Books. I want to take the ownership of that folder to change the permissions. The folder currently belongs ...
10
votes
2
answers
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Cannot modify files installed by `snap`
I have installed a package using snap and I need to modify one of the files but when I try to change its ownership or permissions, I always get the following message:
sudo chmod +x ./my_file.js
chmod:...
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0
answers
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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 ...
0
votes
0
answers
691
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Restricting specific folder access to a user
I have three users. For one user I want to restrict access to some specific folders. When I tried to do this through Ubuntu GUI, it did not work. Can you please tell me some commands so that I can ...
1
vote
0
answers
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change permission of directory and all its sub-directories/files recursively
I have search around but can't find the correct answer.
How do I change the permission of a directory and all its sub-directories/files then also when a user creates a file or directory this must ...
0
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1
answer
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Set permissions on a directory for "passing but not browsing"
Set permissions to alu1 home directory to passing (but not browsing) for group members and others.
What permissions are passing and not browsing?
I know I have to do something with chmod but I don't ...
0
votes
0
answers
2k
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Setting sticky bit to mounted folder
I mounted a folder under /media/datasets, owner and group group are specified as root:
$ ll /media/
drwxrwxrwx 31 root root 4,0K Apr 19 19:55 datasets
Now I want to set the sticky bit to that ...
12
votes
5
answers
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Modify permissions to -rwxr-xr-x [duplicate]
I need some help with a homework problem to modify a file's permissions. It wants it to be -rwxr-xr-x? Not sure how to make the user permissions. Thank you.
0
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0
answers
343
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Linux Web Service Permissions
I am implementing my simple webservice in linux using Apache, CGI(C++) and Flat File(Data).
I kept my WWW location path in /usr/share/www/
CGI location path in /usr/lib/cgi-bin/
...
1
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1
answer
1k
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How to run script at startup that requires a password?
I am running ubutu on a raspbery pi 3
I have a script that runs as root when ubuntu boots. For that script to run correctly I need a password. In other words my script starts like:
#!/bin/bash
...
0
votes
1
answer
940
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Can't Move File After Changing Permissions
I have a folder located in /var/www that I am trying to move to my user's home directory.
I initially ran mv folder/ ~, and received a permissions denied error. I thought I had set the permissions up ...
4
votes
1
answer
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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:baa:rwx /etc/nginx
sudo ...
0
votes
2
answers
779
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Trying to install reactjs globally in Ubuntu 16.04 lts
Folks,
While trying to install reactjs using command
npm install -g create-react-app
Linux doesn't give write access to the specific directory.
Is there any way around it?
Or do I have to manually ...
0
votes
3
answers
8k
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chmod 4755 (rwsr-xr-x) gives (rwxrwxrwx)
I want to get the permissions of a program, call_shellcode (which calls shellcode), to be set to -rwsr-xr-x. When I run:
sudo chmod 4755 call_shellcode
the permissions for some reason is still set ...
3
votes
1
answer
3k
views
"chmod g+w" not working: adding permissions on a NAS to a group using file_mode and dir_mode in fstab (Ubuntu 16.04.4 LTS)
Background
I am a passionate PLEX Media Server ("PMS") user. I was running both PMS and uTorrent on a Mac Mini in my bedroom. uTorrent downloaded media from the internet to a 2Tb WDMyCloud NAS ("NAS")...