chmod changes the permissions of each given file according to mode, where mode describes the permissions to modify.

learn more… | top users | synonyms

0
votes
1answer
18 views

How to copy the permission of root to current user?

I made a mistake. I copied a directory with many sub-directories and files using the sudo command. Consequently only root has permissions to do anything with the files. Can I somehow duplicate the ...
0
votes
1answer
29 views

Why I can't install TomCat 8 on this Ubuntu 15.04 system? (I obtain an error when I perform chmod statment)

I am not yet a Linux guy and I am finding some difficulties trying to install TomCat 8 on an Ubuntu 15.04 system that I have to use as development environment. So I am following this tutorial (I ...
0
votes
2answers
22 views

Setting permission for Xampp installation directory. see details

I know bit about setting permission but i'm little in a mess with it. I'm new to ubuntu so i get little confused and took much time to solve a little problem. I have installed xampp with installer ...
0
votes
3answers
38 views

Is it safe (secure) to change the owner of the html/ folder in Apache?

I know how to use chmod and stuff so that is not the question. I have a little server (Ubuntu LTS ) running with Apache on it with the standard folder in /var/www/html/. By default root is the owner ...
1
vote
1answer
26 views

How to make the newly created files inherit the directory's permissions…? [duplicate]

I need to give permission to a directory in such a way that, the newly created files should inherit the same permissions as the directory. You may find a duplicate for this question, but it doesn't ...
1
vote
1answer
36 views

I changed the permission for /etc folder. Sudo is not working after that

I changed the permission for /etc folder to 777 with chmod. When I try to run Sudo after that it refuses to work. I found a few fix, such as going to recovery mode to fix things but recovery mode is ...
-1
votes
1answer
24 views

How to undo or set back to default chmod -R 755? [closed]

What I was trying to do is installing "wordpress" in my localhost on (ubuntu 14.04) i.e my path for localhost is " home/deepak/php " Now what i did is this in terminal: sudo chown -R ...
1
vote
0answers
30 views

Permission change after moving file? [duplicate]

I want to run a bash script in a directory /media/aliakbar/New Volume(internal drive)/further/path/to/file . The problem is: with chmod +x the file's permission is not changed (proof: I couldn't ...
0
votes
0answers
11 views

Chmod and Apache2

I have a really simple question about Ubuntu chmod. As a main user (not root) "katsarov" which is part of www-data (apache) group I cannot edit the files, though they have 664 chmod. I want to be able ...
0
votes
1answer
121 views

Problems with permissions with squid3

I have been trying to get squid to work. I have a configuration for the cache to be created in the directory /var/cache/squid3/. However, I get this error when running squid with the "-z" tag (It is ...
13
votes
2answers
733 views

What is the Ubuntu equivalent of OSX `chmod -h` flag?

In OSX I can set the permissions of the symlink itself (instead of the thing it points to using the -h). From the man page: -h If the file is a symbolic link, change the mode of the link itself ...
1
vote
0answers
35 views

Can't change folder permissions using `ispconfig` [closed]

How can I change the permissions for all my folders . Note: I have root access to my server. P.S. "Opération non permise" = "Operation not permitted" lsb_release --short --codename&&uname ...
1
vote
1answer
25 views

How to change a program and all its subroutines executable?

for running a program, I need to change its install file to a executable file. I can do that, but my problem is that program calls some subroutines and those need to be executable too. Is there any ...
-2
votes
1answer
34 views

chmod u-x problem in case statement in Shell Script

I want to give rights to a file using a menu (exec,write,read). If you look closely I read value B( the file's name) then I use the case function to do the 1)exec / 2)write / 3)read function for ...
1
vote
1answer
30 views

Trying to access debian/scripts and debian/rules

I am trying to rebuild the kernel because I want to change jiffies to 1ms. I'm following a turorial and it is stated that I shall do chmod a+x debian/scripts/* but I can not find the debian folder ...
1
vote
1answer
43 views

Why is my script file executable on a virtual machine?

I have ubuntu installed on a virtual machine in Windows. There when I run a script I just type sudo ./blabla.sh in the terminal to run it. Then I installed ubuntu from same iso file directly on a ...
-1
votes
1answer
73 views

chmod +x doesn`t work [closed]

I am trying to install this widget. When I use chmod +x .start-conky nothing heapens, file .start-conky still is a text file.
0
votes
1answer
56 views

Chmod all files getting uploaded automatic

Is there any way to chmod 777 all files getting uploaded to a folder throught FTP? I'm using vsftpd and apache2, and I am having a camera to upload pictures taken once an hour to a local server over ...
0
votes
0answers
18 views

chmod doesn't change permissions [duplicate]

I'm using Ubuntu 14.04 and I'm not able to change the permissions of any file inside a USB portable drive. The USB drive's path is /media/myuser/Expansion/. I tried the command sudo chmod 777 ...
0
votes
1answer
83 views

Issues with executable: file not found after using chmod to fix permissions

I have downloaded and extracted the Linux binary for the blackbox PDDL planner, and I'm trying to get the blackbox file to execute. I changed to the directory with the file and tried ./blackbox, which ...
2
votes
1answer
45 views

Change permissions to a specific user in Ubuntu 12.04 [closed]

How can I change the permission (555 or 755) to a user in a specific folder in Ubuntu 12.04. I used this command, but it didn't work sudo chown -R username:group directory Thanks,
2
votes
1answer
157 views

Why isn't another member of a group able to use a directory?

I have created a directory named IDE in /opt using following command sudo mkdir -p /opt/IDE Then I have changed the owner of IDE directory. sudo chown shantanu:csedev /opt/IDE Above command ...
0
votes
2answers
45 views

What are the default permissions of directories in home (Desktop, Downloads, etc.)

I accidentally ran chmod 777 * in my home folder and it changed all the directory permissions (but not for the files). How can I undo this?
0
votes
0answers
42 views

Can't install program using terminal

I got this problem when I trying to install java and netbeans package and internet download manager softwares. I download these files from their websites And try to use command chmod +x ...
0
votes
0answers
48 views

restore to original chmod and chown settings

I nuked my whole system attempting to make some "minor changes". The errors ranged from org.freedesktop.dbus.error.spawn.permissioninvalid to setuid helper is not correct to must be owned by uid0 ...
0
votes
1answer
46 views

Who can change a file permission or ownership in ubuntu? [duplicate]

Who has the privilege to change a file permissions or ownership in ubuntu ?
0
votes
1answer
23 views

Webserver permission problem

I've a permission problem on my dedicated webserver, but I'm not able to understand what's I was doing wrong. Ubuntu 14.04 Kernel 3.19.2 Versione Apache 2.4.7 Versione PHP 5.5.9 mysql 5.5 (all from ...
0
votes
1answer
58 views

I can't run a program in Ubuntu 14.04

I've got a problem with a program I downloaded last week from GitHub. I tried to chmod it (a+x), tick option to run it as a program, but it didn't help. I don't get any notifications. It just does ...
1
vote
2answers
101 views

Change name of executable file when using chmod +x

I have python file my_script.py When I run: chmod +x my_script.py I end up with two files that are called my_script.py, one executable file and one python file, when I try to get the size of the ...
0
votes
1answer
45 views

can't change file permissions of key file [duplicate]

I have a .pem file. The normal chmod [4/6]00 [key_name_here].pem command doesn't work. The permissions are stubbornly stuck at 444 or 644.
0
votes
1answer
46 views

How the heck do I make jar files executable?

I am running Ubuntu 12.04 on my Toshiba Chromebook 2 via crouton (I'm using the xfce4 desktop enviroment so don't give me Unity fixes) and I am trying to run a .jar program through OpenJDK6. I just ...
0
votes
1answer
33 views

Mounting hard drives problem

Why doesn't Ubuntu mount hard drives automatically when it's launching? Moreover, I cannot chmod +x to the files in the hard drives after mounting. They are formatted as NTFS. If NTFS is not ...
0
votes
0answers
31 views

Enable php pcntl: Cannot Create Regular File

I am trying to enable/install pcntl and I get the following error after running make: cp: cannot create regular file `/usr/lib/php5/20100525/#INST@24959#': Permission denied I am sure it is a ...
0
votes
1answer
30 views

Not detecting any external devices [duplicate]

I've recently installed Ubuntu 12.04 it was working fine unless I messed up with a command. I change all user permissions(as they call ago permission in Ubuntu) by running command sudo chmod -R 777 /. ...
1
vote
1answer
51 views

How do I revert to the previous permissions for a folder?

I changed permission of folder by chmod -R 775 example and now I want change it to previous permission mod, but I don't know what was that number instead of 755. That folder is my project folder and ...
0
votes
1answer
62 views

Unix permissions - what EXACTLY is the “owner group” (note: singular)?

I'm programming a Fuse file-system. So far so normal, didn't encounter unsolvable problems (except performance). However, I read the following articles: http://linuxcommand.org/lts0070.php ...
1
vote
4answers
595 views

Android studio only starts with sudo

I just installed Android Studio, but I can only start it with root permissions: sudo ./studio.sh otherwise it fails with Error: Could not find or load main class com.intellij.idea.Main I am not sure ...
-2
votes
1answer
50 views

Is there any difference between umask value and chmod value?

I'm using umask in fstab settings. What I know is if i set 755 with chmod, the permission will be rwxr-xr-x. But, when I use umask in fstab with 755 value, permission that i get is ----w--w-. Giving ...
11
votes
2answers
2k views

What is the first number for in a 4-number chmod argument (such as `chmod 4555`)?

When I install a program, it recommends me to do chmod 4555. Okay, i know about values if I just use three numbers. For example chmod 555 test-file will give -r-xr-xr-x 4 for write, 2 for read ...
0
votes
0answers
69 views

Folder Permissions

I am having trouble serving a folder out using samba. I have already successfully shared a folder but my folder permissions are jacked up: [samba is successfuly shared, flexraid_pool is a folder I ...
0
votes
0answers
80 views

Give read/write rights for newly created files inside folder for users in group

I have created a user named ftpuser and a folder for him /home/ftpuser/files I added an existing user 'auser' to 'ftpuser' group sudo usermod -a -G ftpuser auser Last, I gave group ...
0
votes
0answers
3k views

Chmod error changing permission read only file system

I have three main partitions on my disc /dev/sda: /dev/sda1 2048 117186559 58592256 83 Linux /dev/sda2 117186560 128905215 5859328 82 Linux swap / Solaris /dev/sda3 ...
0
votes
1answer
70 views

Cannot edit php5.fcgi owned by Me with RWX owner permissions

Ok, I kind of thought I understood Linux permissions and then I encountered this one. I am running Ubuntu 14.04 LTS in a virtualbox on my Windows 7 pro laptop. All udpates are applied to windows, ...
-1
votes
1answer
406 views

Permission denied apache even after chmod

I am trying to setup my LAMP server on ubuntu when i am about to change mod chmod of the files in the /var/www directory but when i try : sudo chmod 0644 www/* -R and sudo chmod 0644 www -R ...
0
votes
0answers
17 views

could not connect to server

To solve an error that said ( permission denied ), I tried to sudo chown –R edxapp / Then error appear says: must be setuid root. And to solve that I tried chmod u+s /usr/bin/sudo but then ...
1
vote
2answers
53 views

Setting files and directories to match umask setting recursively

Is there a way to go into my home directory and recursively set files and directories to match my umask setting? The issue is, way back when I started using linux, I didn't understand permissions. In ...
1
vote
2answers
290 views

`sudo chmod +x *` caused me cannot open anything

Today I used sudo chmod +x * -R in my $HOME folder, actually I didn't want to use it in $HOME folder, it was an accident. Afterthat I tried to use sudo chmod -x * to fix it. But now, I couldn't open ...
0
votes
0answers
134 views

Accidentally gave chmod -R 777 /usr in Ubuntu 14.04.1

I found few questions related to chmod in / but not in /usr. While changing permissions for specific directory, i gave sudo chmod -R 777 /usr. When i reboot the system, the system is completely ...
3
votes
0answers
42 views

chmod -R 777 /etc, I have no name! [duplicate]

I really screwed up and did sudo chmod -R 777 /etc After searching for hours for an answer I eventually booted into recovery mode and did: mount -o rw,remount / # because the file-system was ...
0
votes
3answers
1k views

Chmod is not working as expected

When i am about to change my file permission like this $ sudo chmod a+x *.* This error appear chmod: cannot access ‘*.*’: No such file or directory And when i want to change the permission ...