chmod (short for change mode) is a Linux / Unix command used to change permissions of files and directories.

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(ftp client) uploaded file has wrong permissions

I've a ftp server on my linux machine, I've set rights rules to my server: I keep group and owner and chmod it to 775. When I use it at home (192.168.x.x) it's ok, files keep their group and user ...
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SFTP to multiple users access to same directory and take delete permission

I am trying to give permissions to multiple users to access var/www/my.com/folder2, which is owned by www-data. So simply I have a lot of sftp users and everyone only accessing to ...
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2k views

Can't connect Nextetender on Mac OS-X El-Captain

I just upgraded from Yosemite to El Captain but I can't connect Dell SonicWALL NetExtender version 7.5.757. I give this log message: [general error 463] ERROR: Pppd is not setuid-root and the ...
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Why does chmod g+s not work on my NFS mounts?

I've got some NFS mounts that have directories that I need chmod g+s set so that any files extracted inside of them retain the default GID. For some reason it won't let me change this on the NFS ...
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36 views

chmod 777 based on directory

I am wanting to perhaps create a cronjob that will monitor a directory and will do automatically chmod 777 and files that are created inside the directory or a subdirectory of my main directory. Is ...
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1answer
56 views

Converting these chmod commands to cacls?

Perhaps someone could help me. I'd like to convert the following chmod commands to use on Windows 7 but my understanding is lacking. /bin/chmod -R u+w,go-w,a+r somedirectory /bin/chmod a+x ...
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World writable sudoers, no root password set

I have Kubuntu 14.04 installed on USB flash drive. Yesterday by accident I did chmod 777 /etc/sudoers. Now I can't set it back to 0440, because I get an error something along the lines of 'File is ...
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219 views

DD-WRT: /tmp folder permissions

After making a simple hello world OpenWRT package I installed it to the /tmp folder on the dd-wrt device. The program shows up in ls /tmp but when I try to execute it, it shows me /tmp/helloworld: ...
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93 views

change permissions for only one user in Apache-managed directory

Ok, this may look like it might be an Apache or an Owncloud question, but I think the way I want to try and solve the problem is a more generic one: On a Mythbuntu 14.04 server box, I have Apache ...
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1k views

Cannot change directory into home directory, although permissions are set correct

I guess I need some help from an advanced Unix user... On a Ubuntu System I did something stupid. I typed sudo chmod 774 .* or the like, in a subfolder of my home folder and then I suddenly could not ...
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348 views

chgrp and chmod not working in cygwin (windows 8)

I work in "C:\Users\leyou.ssh" I need to chmod id_rsa to 600 as it's currently 644, but it has no effect. Hence I tried "chgrp Users id_rsa" but it doesn't work neither and the group remains as ...
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307 views

How do I do undo chmod /usr/bin

For some reason I was messing around and did chmod -x /usr/bin/* (no idea what I was thinking) Is there a way to fix this, because at the moment nothing is executable
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206 views

Unable to retain any root created files and folders after warm reboot in linux

I installed and ran petalinux on zynq board. It runs perfectly fine and boot in around 3 seconds. To boot it this fast I had to do some configuration before compiling the source. The problem that I ...
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1answer
247 views

Possible to mount an NTFS partition with uid=1000,gid=1000,dmask=022,fmask=133 but allow files to later be chmod'd?

This is for a single-user system that's using an NTFS partition as its $HOME; is it possible to mount the partition in such a way that New files would be owned by $USER:$USER with 644 permission ...
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14 views

Why am I still able to write to a directory after I have changed permissions at the terminal?

I am running Mac Os 10.9 and connecting to a Mac OS server (10.8?) over our local network where I have an admin account. I regularly sync 3 directories from my machine to the fileserver using rsync. ...
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1answer
567 views

Force file and sub-directory permissions on OS X server

We have an OS X development server at work for five developers, creating mainly Symfony2 based websites. Out of the five only two of us are in the sudo group, meaning if the others had issues with ...
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1answer
998 views

Changing permissions (read-only) for specific user for specific folder and sub-folders/files in RedHat?

Question is about user permissions in RedHat. How to give read-only permission to specific user just to read a specific folder and its sub-folders and files? How can I do it? I've tried: chmod a+r ...
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117 views

CentOS: How to prevent a user from executing an application installed in a specific directory

I have an application installed in /etc/mydir. I have executed the following to remove the ability for users to execute this program. chown root:group1 /etc/mydir -R chmod 700 /etc/mydir -R I ...
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2answers
620 views

Clone permissions for all files in a folder [duplicate]

I have a question. So I have 2 folders, both of which have the same files in them, but some with different content, but the same names. What I want to do is clone all of the file permissions from one ...
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550 views

Chmod not working on /var/www/

I am running an Ubuntu 11.10 x86 VPS. I have given a user sudo privileges, and for some reason I cannot recursively chmod /var/www/. I am running Nginx with php-fpm, although that shouldn't matter. ...
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1answer
860 views

chmod +x not working in Cygwin

I am having issues getting cygwin to accept the chmod command: JonP@price8560p /cygdrive/c/C2dev/Git/c2/bin/ffmpeg $ chmod -v +x ffmpeg mode of `ffmpeg' changed from 0644 (rw-r--r--) to 0755 ...
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384 views

group permissions for scp

We have a server running as a firebird user. We want to scp files to the server that are need by firebird but copied as another user: it-test. What is the best way to set that up on the ...
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1k views

How do I set the default permission of 775 for all new files and directories in server?

I'm trying to set the permission of any new files to 775 by default (inherited from parent folder), so that every user group can edit these files. I have found and followed this tutorial with no ...
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234 views

chmod: .: Permission denied & sudo chmod -R -rwx

I accidentally executed the following command in an important dir without knowing what the command does. Now I'm getting permission denied and not able to open the dir. sudo chmod -R -rwx . Please ...
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393 views

Windows attrib command changes file timestamp

I have some batch file running that does the following on a directory tree with several thousand files: change file attributes, turn OFF readonly do some stuff, add new files. change file ...
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403 views

linux chmod not working with windows flash drive

I have a dual boot ubuntu 12.04/win7 machine. I am trying to compile the latest m0d_wsgi file using ...
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1answer
142 views

Cant write to directory when not logged in as root

I am switching a site over to amazon ec2 and the pages that allow a user to upload a file to a directory arent working. When Im logged in as root via ssh I can 'touch' a new file to there but not when ...
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1k views

allowing others access to specified subdirectories only

I have some folders with pictures and videos that I would like my other family members be able to view. I have added these folders to the family group, like this: chgrp -R family shared_pictures/ ...
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437 views

chmod / chown hfs+ Volume

I have just saved some data from a crashed PC to my external HD, which is a HFS+ Volume using Ubuntu live (regular copy no dd). Now I am lost: I don't have any privileges in the Folder i copied on my ...
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2answers
1k views

Allowing multiple users to create directories over SFTP so the new directories keep the same permissions

I want to make a webserver with multiple users allowed to login through SFTP to a specific folder, www. Multiple users are added, lets say user1 and user2, and all of them belonging to the www-data ...
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346 views

cancel last chmod?

Today is a great day for me - anyone can suggest other restore method than from tape with regard to my last glorious command sudo chmod -R o=rw / Btw I am on HFS+
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647 views

OS X smbfs Mount Shows Incorrect Permission, Won't Take chmod

I'm doing development on OS X while my actual code lives on a remote CentOS box that I have mounted as a local share (smbfs). Some of my files are not marked as writable and need to be toggled when I ...
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634 views

What's @ in OS X directory permissions? [duplicate]

Possible Duplicate: ls -la symbolics… what does that last symbol mean? Being unable to access my localhost via Parallels, I've found that the folder to which I was trying to access ...
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1answer
220 views

Can't run chmod on a bin file

I am trying to install the android NDK on OSX 10.10. Even though the file is there it keeps returning "No such file or directory" user$ ls acs git-media npm acs-debug ...
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1answer
244 views

Linux directory permission inheritance for new files created

ive following folder drwxr-xr-x 7 root root 45056 Nov 25 12:39 data which include sub dirs and files its all 755 , but when i create new file inside these dir its get permission -rw-r--r-- 1 ...
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1answer
57 views

simple priveleges/chmod setup doesn't work

here is the directory listing: drwxrwSr--. 31 storage storage 4096 Nov 20 23:12 storage id returns uid=501(peter) gid=501(peter) groups=501(peter),504(office),505(www),506(storage),507(media) ...
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1answer
3k views

Take control of all disks/filesystems automatically in linux (Kali)

I have two mac disks plugged into my Linux Kali and for the life of me I cannot get ownership of them. (LaCie) I don't have this problem in Windows or Mac, I just copy the files. Drag and drop. But ...
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1answer
778 views

lost and important file for python 34

My AVG internet security deleted a file called: C:\Python34\pythonw.exe I now cannot access IDLE or even re-install python 3.4, although I can access the command line. How would you chown that file?
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1answer
301 views

Chmod to change permissions for group [duplicate]

Possible Duplicate: Setting permissions for specific user and groups in Linux I have put some users into a group and would like to know how I use chmod to change the access permissions for ...