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

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34 views

I accidently ran 'sudo chmod -R 775 /' and it completely broke my OS/Shell

So I accidentally did sudo chmod -R 775 / when I meant to do sudo chmod -R 775 ./. I quickly realized and hit Ctrl^C, but not in time to save everything. I realize this is a really stupid mistake and ...
0
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0answers
23 views

How to change owenship of a directory from root to all uses in Ubuntu 14.04?

I am a Ubuntu newbie and want to change permissions of a directory to a user, say x. I searched many things chmod 777 <dir>/ did not work. I referred to Change folder permissions and ownership ...
5
votes
1answer
190k views

How can I chmod 777 all subfolders of /var/www?

I’m running a webserver and FTP server, wherein /var/www is bound to /home/user/www. I set both directories to chmod 777 (which is fine since it’s for testing only). I can upload files into ...
0
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0answers
26 views

EC2 - chmod: cannot access ‘mypemfile.pem’: No such file or directory

I download pem file while launching t2.small instance. When I try to connect it via ssh it say no such a file in directory. But am sure that pem file is in directory. $ ls mypemfile.pem ...
14
votes
4answers
38k views

Changing permissions on serial port

I'm using the Arduino IDE in Ubuntu, and am having issues with the serial port. It has worked in the past, but for reasons that may be unnecesary, I felt the need to change the ownership of some of ...
9
votes
3answers
18k views

Error after sudo-ing “sudo: must be setuid root”

On a colleagues computer, everytime I use a sudo command, I get this error: sudo: must be setuid root I tried various things mentioned on the internet, like changing the permissions to 4755 from a ...
2
votes
1answer
19 views

Warnings and errors appearing on site after changing ubuntu user permissions Amazon EC2 server

My site is running on a EC2 Amazon server under Ubuntu/Apache2. My site was running fine until I changed the permissions for user 'ubuntu' by doing this command: chown -R ubuntu /var/www/html ...
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votes
1answer
30 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
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2answers
55 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
1answer
75 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
3answers
50 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 ...
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1answer
35 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 ...
4
votes
3answers
4k views

What are the standard file permissions for the /etc directory(file)

I kinda screwed up the /etc directory by running: sudo chmod 417 /etc Leaving me unable to use sudo: sudo: can't open /etc/sudoers: permission denied. sudo: no valid sudoers sources foundm ...
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vote
1answer
44 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
33 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 ...
4
votes
4answers
7k views

Permissions for apache webroot folder on dev server?

I am a web developer and have Apache setup on my local system for testing. I keep running into issues with the permissions e.g. unless I chmod any new directories to 777 my IDE cannot write to the ...
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
1answer
227 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 ...
0
votes
2answers
31k views

bash: ./install.sh: Permission denied installing intel fortran 2011

I am trying to install Intel Fortran Composer 2011. When I try to command ./install.sh it gives an error: bash: ./install.sh: Permission denied I tried some ways to get pass this. Tried; sudo ...
0
votes
0answers
12 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 ...
13
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2answers
744 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
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1answer
34 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 ...
1
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0answers
42 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 ...
0
votes
2answers
5k views

Installing XAMPP

I'm new to linux and I'm trying to install XAMPP I downloaded the file and I cant execute it, I followed the Instruction on http://www.apachefriends.org/en/xampp-linux.html#374 but when I'm trying ...
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votes
1answer
40 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 ...
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4answers
760 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 ...
1
vote
1answer
36 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
50 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 ...
0
votes
1answer
80 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 ...
-1
votes
1answer
87 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.
2
votes
2answers
9k views

Transmission daemon: permission denied even if debian-transmission has root group

I've got something really strange. Transmission-daemon keeps telling me "Permission denied /home/transmission/downloads/.." (.. = name of torrent folder and files) I created this folder ...
0
votes
1answer
119 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
165 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 ...
2
votes
1answer
51 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,
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votes
2answers
49 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
44 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
55 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 ...
8
votes
4answers
17k views

How to fix sudo after “chmod -R 777 /usr/bin”?

I enetered chmod -R 777 /usr/bin and now sudo is not working. It is giving error that sudo must be setuid root. On looking via Google, some advice said to run chown root:root /usr/bin/sudo chmod ...
0
votes
1answer
49 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
25 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
65 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
121 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
48 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
55 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
38 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
41 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
32 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
52 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
69 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 ...
7
votes
2answers
8k views

Why doesn't chmod work on a file under /media?

I want to execute a script file from terminal but it shows error root@silambarasan-PC:/media/D-DEVELOPME/androidSdk/adt-bundle-linux-x86/sdk/tools# ./android -bash: ./android: Permission denied` so ...