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

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13 views

NTFS permissions messed up [duplicate]

I run a dual boot with Ubuntu on sd6 and Windows8.1 on sd4. I was trying to get plex media server working on my ubuntu, and I ended up messing my D:/ (sda5) in windows. I used this guide to set ...
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1answer
52 views

How do I specify folders only for chmod

I have a 30GB website, with loads of folders, and files. I want all the folders to have the permission 745 and all the files to have 644. I tried using chmod -R 745 public_html/ but all the sub files ...
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1answer
1k views

How to give permission to execute Eclipse application?

This one has confused me for a couple of hours. I know the command sudo chmod +x file to give executable permissions, and still I don't get my application to run. For context, I installed Eclipse ...
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1answer
820 views

chmod: Everything on SD Card Stuck On 755, Owner is Root

I am trying to access my SD card as a general user after it somehow changed to just Root access. I have tried several solutions, and none of them worked. Here is an attempt to chown eveything to ...
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0answers
83 views

Cannot access anything in ubuntu 14.04 after running sudo chmod 000 /

I run sudo chmod 000 / . then i wanted to run 777 permission. but 000 permission is not allowing me to write command in terminal. I can not access anything. Then i shut down PC. now my PC is not ...
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2answers
276 views

bash: /path/.bash_aliases: Permission denied

I don't know why this line appears first when I open my gnome-terminal. bash: /home/username/.bash_aliases: Permission denied laptop-dell:-$ I tried this but still the problem remains there. chmod ...
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0answers
40 views

sudo chmod -R ugo+rw “/var/lib” how to reset this command?

I applied this command on ubuntu 14.04. Is it okay to do this or did I make a mistake by doing it? Please Help me.
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1answer
53 views

USB ports not working, problems with ownership and permissions

I have ended up with problems with ownership and permissions on my computer, probably due to a brainless recursive change of permissions..! I don't know which folder was affected, so I have changed ...
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1answer
127 views

After setting chmod -R 0700 still current user can see and edit the files

I have a folder in my server I am setting this folder rights by sudo chmod -R 0700 myfolder when i print rights with ls -l everything is fine nobody has any right except root but i can open the ...
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2answers
2k views

sudo: /var/lib/sudo writable by non-owner (040777), should be mode 0700

I get error message always when i work with sudo command. It shows always sudo: /var/lib/sudo writable by non-owner (040777), should be mode 0700. A while ago i changed the permission of /var ...
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2answers
2k views

Permissions denied to owner, although it is set to 666 in .ssh directory

I recently messed around with the .ssh directory. Made some permission changes, I think and now it won't let me access it anymore. I can access it as the root user (sudo -i) but not as somesh I get ...
5
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2answers
506 views

What's the difference between + and = when using chmod?

I read everything about chmod, but I don't get something. If I write chmod u=rwx file this "affects" me for all rights on the file, and if I write chmod u+rwx file this "adds" me all the rights on the ...
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0answers
85 views

sudo chmod 664 “/” -R

The problem: sudo chmod 664 "/" -R I've canceled it after a few seconds but here it is. What all should I do through Live CD? sudo chmod 755 "/" -R or just sudo chmod 755 "/" ? Thanks
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4answers
152 views

Understanding linux file system modes

I've read through over 10 articles, and am trying to wrap my head around the linux file system. There is one point I am trying to get that I can't figure out. Forgive me for sounding very dumb: When ...
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2answers
136 views

How to control the permissions of a mounted usb drive?

I have multiple USB drives, used for different purposes, and I've noticed they have different permissions when mounted, and, moreover, a chmod command has no effect. Why is this and is there a ...
0
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1answer
133 views

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

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 ...
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0answers
184 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 ...
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0answers
210 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 ...
2
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1answer
42 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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1answer
2k 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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1answer
293 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 ...
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2answers
222 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 ...
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3answers
661 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
2k 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 ...
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1answer
244 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 ...
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1answer
857 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 ...
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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 ...
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0answers
29 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 ...
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1answer
4k 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
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2answers
865 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
81 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 ...
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1answer
96 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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1answer
59 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
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1answer
82 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
271 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.
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1answer
488 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
1answer
1k 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
3k 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
226 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
114 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
1answer
88 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 ?
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1answer
46 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
139 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
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2answers
372 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
153 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
138 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
71 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
1answer
38 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
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1answer
107 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
333 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 ...