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

learn more… | top users | synonyms

1
vote
2answers
458 views

Can't change permissions on extracted files Ubuntu 13.10

I'm trying to install a program from the *.x86_64 file but it seems I don't have the right permissions to do it. Even if I right-click and go in the "Permission" tab, when I try to change anything ...
0
votes
2answers
20 views

What happen if the executable permission of chmod is revoked

What to do if I change the executable permission of /bin/chmod? How to recover from that scenario?
0
votes
2answers
64 views

chmod is not working

I am unable to change the privileges of the directory or file which is not in desktop using chmod. while it is working properly for the directory and folders of desktop. am using the command chmod ...
0
votes
2answers
148 views

Problem oracle installing from windows directory in ubuntu 13.04

I have two OS windows 7 and ubuntu. Oracle installer for linux stored in /media/sonnet/Main/oracle/disk1/ and /media/sonnet/Main/oracle/disk2/ here "Main" is an windows(ntfs) drive. when ...
0
votes
2answers
904 views

How to give a program access to make file in root directory

i am running a program which uses log4j.The log4j uses rolling file appender.However its not able to create the file. I guess its because the creation of file need root access. The program is ...
0
votes
2answers
4k 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 ...
2
votes
1answer
144 views

Can't access home folder

While installing Matlab, I mistakenly typed sudo chmod +x ./java in the home folder. And I got i/o error that you are not allowed to access the home folder. Suddenly everything in my home folder ...
2
votes
1answer
181 views

Locked out of drive on Ubuntu Server

I was trying to delete some torrents that I had downloaded with transmission-daemon and was unable to from my samba share on windows due to transmission's default file creation permissions. I ...
1
vote
1answer
204 views

Set permissions for future folders and files

I have some trouble managing permits in a folder and relative sub folders. I am working on ubuntu 14.04. I have a software which periodically creates new folders and files inside of a main folder. ...
1
vote
1answer
145 views

How to let a user execute a script owned by root? Setuid doesn't seem to work anymore

I have some bash scripts that I use with the user 'root' to manage iptable rules. The problem is that I want these things at the same time: The script must be owned by root Permissions must be 700 ...
1
vote
1answer
58 views

In ubuntu matlab execution file cannot be run

I have stored my matlab installation in one of the partitions.But ubuntu doesn't recognize the matlab file as an executable file even after executing chmod +x command. Kindly help me to resolve the ...
1
vote
1answer
248 views

Ubuntu corrupted log files

It seems that all my log folders located in /var/log are turning into files. For example, if I try to tail /var/log/apache2.log it will say "no such file or directory" I can see it in the file ...
1
vote
1answer
2k views

Executable not running even after chmod'ing it

I am trying to run a BETA precompiled copy of rcracki .. but the problem is when I try to run the executable, it gives an error: I tried to format the snippet below into one code block, but it didn't ...
0
votes
1answer
55 views

Problem with access to mounted drive

I can not make my newly mounted hdd work properly. First and foremost, I can not access it to read and write any file or folder even after changing the privileges to +775 and even +777 (though I can ...
0
votes
1answer
83 views

“cannot open file userpref.blend@ for writing: Permission denied” in blender

I'm using blender 2.69, installed via software centre, and when I save my user preference through File -> User Preferences and click on "Save User Settings" there is a message "cannot open file ...
0
votes
1answer
37 views

Write permissions not allowed on my USB key

I can read/write my USB key normally on Windows XP. On Ubuntu 12.04 I can only read it. I tried sudo to chmod with 777 my USB key but Ubuntu does not allow me that. Why this problem happens ? How ...
0
votes
1answer
33 views

Chmod crash version 13.10

I was watching a command line reference tutorial and testing out two commands, CHMOD and CHOWN. I ended up changing my root folder's permissions. What should I do? Version 13.10.
0
votes
1answer
3k views

Can't change file permissions!

I just can't change any file permissions even when I am logged in as root. I tried changing the permissions from both terminal and i got no errors but the permissions remain the same. And when i try ...
0
votes
1answer
887 views

changing chmod 755 to 775 on a directory will result in permission denied when connecting with sftp

When I change chmod in my /home/frans from 755 to 775 I get the following error when connecting with ftp fatal: bad ownership or modes for chroot directory "/home/frans" I'm a linux newbie and i'm ...
0
votes
1answer
116 views

Unable to change permisions on windows partition disk

I need to change permissions of files in my /media/MAVEN/Projects MAVEN is my windows disk partition. The permissions on the Projects folder are: :/media/MAVEN/Projects$ ls -la \total 340 drwxrwxrwx ...
0
votes
1answer
20 views

Possible performace bug

I have noticed a bug in 13.04 when I minimize something I press the minimize button it doesn’t want to minimize or will start to hang and won't go anywhere until I press ctrlaltdel In three different ...
0
votes
1answer
93 views

Directory appearing as file?

So we copied some photos in a directory across to a NTFS partition last night, and they were viewable from ubuntu. Today the directory is not accessible from Windows, and when we booted back into ...
0
votes
1answer
514 views

Sharing folder with guest

I am trying to allow access to the guest account to a folder at /share I have chmod 775'd and even 777'd the folder to no avail. I know the guest account is locked down so it cant access /home, ...
0
votes
1answer
119 views

Can I set a specific group|umask to be the default one for all actions within a certain path?

I would like to override the default umask and owner:group settings within certain directories only, without requiring root privileges, as that kind of defeats the purpose. For example, when I touch ...
0
votes
1answer
1k views

Unable to run compiled files - bash: ./a.out: Permission denied. (I've tried chmod)

First of all, there are many questions like this on AU. Still, none of them solved my problem. I've compiled my C source using cc test.c, and it did generate a.out file. However when I run it I get ...
0
votes
1answer
394 views

Writable permission is not writable

I am running Ubuntu 12.04 x64 server on ext4 partition. I set a directory's permission to '766' as below. sudo chmod 766 /archive drwxrw-rw- 3 root root 4096 Sep 27 10:50 archive/ But, when I ...
1
vote
0answers
74 views

Cannot chown or chmod using sudo anymore

I was trying to make an adjustment to the /etc/sudoers file, and I accidentally corrupted it. I restored it via the grub and using the Ubuntu 14.04 default. But now it seems I can change ownership ...
1
vote
0answers
123 views

User has no permissions in sftp

I installed LAMP in my Digital Ocean droplet. I have successfully logged in to SFTP. However, when I try to do anything in my /var/www/html/ folder it says permission denied. It may be worth ...
1
vote
0answers
265 views

Changing permission for 'Public' folder always failed

I have 2 PC using ubuntu(I assume PC 1 and PC 2), and I always share a file or folder for each other. I know that I have to right click first, choose Sharing Options and check Share this folder. ...
1
vote
0answers
160 views

how to recover file and folder permission?

I made this mistake at the /usr directory sudo chmod -R 777 bin The next time i used sudo, it gives me this prompt: sudo must be setuid root What I did is copy and replaced this sudo thinking it ...
0
votes
0answers
24 views

Trouble installing Netbeans

I am trying to install Netbeans 8.0.1 on my Ubuntu 14.04 OS and I am following the install instructions via ...
0
votes
0answers
15 views

install sites using virtualmin but ftp(proftp server,filezilla client) upload failed

I used virtualmin to creat multi sitex on a vps(ubuntu 14 lts). everything is OK except when I try to upload and try to update a file(former files on the vps are scp from another vps) it always ...
0
votes
0answers
26 views

chmod+x is not working at ubuntu on AWS EC2

I am trying to run a hadoop word count code in python at the Amazon EC2 environment. I am using Ubuntu 14.04. I run the following command chmod a+x test.sh and expect to run it test.sh as a command. ...
0
votes
0answers
455 views

Unable to change permissions for apache file 000-default.conf

I am trying to change the permissions for the apache file /etc/apache2/sites-enabled/000-default.conf when I input the command sudo chmod 755 000-default.conf the file still stays to ...
0
votes
0answers
38 views

chrome does not load

hey there i followed the instructions on this page to change permission of all files in a directory in /var ...
0
votes
0answers
31 views

Django chmod using wrong user:group

I have installed django and some other services to start up one front-end community forum. However i've managed to do it everythings run but i have problem with CHMOD permissions. My nginx server ...
0
votes
0answers
191 views

How to get samba serve to follow chmod rules

I am in the process of setting up a samba file serve which I got to work pretty well the only issue that I am now stuck with is the permissions: The set up that I am trying to achieve is to allow one ...
0
votes
0answers
101 views

sudo not working due to incorrect permissions

I broke my ubuntu server by typing the command chmod -R 777. Im trying to get it back to normal. Problems: When I try to use sudo, I get the error: sudo: unable to open /etc/sudoers.d/README: ...
0
votes
0answers
146 views

How can I get my ASIC miner to “initialise” on startup/login?

Based on the document from butterfly labs here: https://forums.butterflylabs.com/showwiki.php?title=Tutorials:ASIC+Mining+on+Ubuntu+and+other+Linux+distros I am using my ASIC miner successfully ...
0
votes
0answers
36 views

chmod a partition read-add files only

I am looking for a way to chmod an entire drive partition so that you are able to read and add files but not modify or delete them is there an easy way to do that? I have looked arround a bit but ...
0
votes
0answers
65 views

12.04.03 installation error

When trying to install 12.04 from USB, erasing a corrupt version of 10.04 (I had run chmod 777 -R / on it with root access), I get the following error: kernel panic - not syncing : attempted to kill ...
0
votes
0answers
262 views

Prevent user from deleting files but allow him to add new ones

I've got the following scenario: A PC with lubuntu 13.04 with one user. This user isn't in the sudo group and doesn't have a password. I've set a root password and changed the permissions of chmod ...
0
votes
0answers
129 views

Installing 3rd party driver. Beginner's guide

So there is an app that allows me to use my Android tablet as a pen tablet. I have the app installed in my phone however I have to install the drivers for the desktop. The instructions are here: ...
-1
votes
0answers
10 views

can the webcam be restricted by a password?

Is it possible to to make using the webcam by applications restricted to the root? i mean like how one can change permissions for files using chmod. Or how you are asked for the password every time ...