Short for "file system permissions" - access control based on user, group, or global access.

learn more… | top users | synonyms (2)

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How to encrypt file or blocking access to file and only execute apache?

My operating system is ubuntu server 14.04. I want to encrypt /var/www folder. I've tried for blocking access to file with chown -R www-data /var/www and chmod 700 commands. Any unix user can not open ...
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0answers
9 views

Ubuntu won't boot without external hard drive connected

I am dual booting ubuntu and windows 10 on my laptop. I recently installed the plex server and followed the instructions on this link to fix a permissions issues I was having. Now however, ubuntu will ...
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0answers
6 views

Tomcat7 Doesn't Have Permission to Download File

I have a Struts2 application that is running on a Tomcat7 server on an Ubuntu 12.04 server. I've asked this question on Stack Overflow and was asked to move it here where this question is more ...
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0answers
27 views

When should I use pkexec and when sudo -i?

I wrote an answer advising the use of sudo -i nautilus. I know that gksu is deprecated, and I was under the impression that sudo -i is how we should run graphical applications as root without killing ...
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2answers
28 views

Is `sudo pip install` still a broken practice?

I'm new to Ubuntu, so please bear with me. I installed pip using this command: sudo apt-get -y install python-pip. Then I installed NLTK using the command on their website, which was: sudo pip install ...
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1answer
68 views

Creating files when “sudoed” messes up permissions and users

I have some trouble installing some packages I compiled from source. Everything seems to work fine, until I try to actually use the files installed in a global place. It turns out the permisions and ...
2
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1answer
15 views

autofs fails with directories cross-mounted on server until root accesses them

When I try to access a directory which is cross-mounted on the nfs server, the result is an "Operation not permitted" error unless root has accessed the directory recently. If the directory is not ...
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0answers
30 views
+50

When I run the debugger: “failed to set controlling terminal”

I know that this is a question that was asked, however it didn't resolve my problem. In a book I read, the CPU's author was 32-bit. Mine is 64-bit. I run the NASM assembler in the terminal with: ...
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1answer
10 views

403 Forbidden on virtual host with mod_rewrite

I managed to install virtual host on LAMP server and created the config file /etc/apache2/sites-available/site.com.conf <Directory /home/ihab/Workspace/Webdev/site.com/public_html> ...
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1answer
12 views

No read/write premisions on new folders (samba)

i have a share using samba called share, if i do Chmod +R 777 folder/* the files already in the folder get the rights but if i copy folders from my other PC using the samba share i get a no rights ...
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1answer
25 views

You do not have the permissions necessary to view the contents of “HDD”

So I was recently doing an Arch install and ended up formatting my HDD in the process with fdisk. I gave up on Arch and reinstalled Ubuntu 14.04. Now whenever I try and open my HDD in Nautilus I get ...
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2answers
41 views

Insufficient permissions to execute files with root access

Recently I had some system problems with Ubuntu, so I reinstalled the system. I have two hard drives, one is used for the system and the other one for files, movies, etc. Before the reinstall I moved ...
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2answers
19 views

Creating disk images as a normal user

I want to be able to run the following script as normal user (as root it runs fine): #!/bin/sh dd if=/dev/zero bs=8192 count=128 of=disk.img mkfs -t ext2 -F disk.img losetup /dev/loop0 disk.img ...
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7 views

Permission denied due to file access restriction logs

When a user tries to perform an operation on a file not allowed due to the file's permissions, is this event logged somewhere in Ubuntu?
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0answers
27 views

Granting write permission on www-data for /var/www/[username] [duplicate]

I am new to this www-data concept, please do explain in simple words. I have a directory in the path /var/www/orbitcode. I want orbitcode to have www-data write permission. How to do this? I am ...
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1answer
18 views

Any created file on mounted NFS has permissions Nobody

Been grappling with this for a few days and need some help, GOOGLE'in around hasnt yielded anything that worked as of yet. So here is the situation (apologies if I miss anything): -There is a main ...
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2answers
22 views

How I can copy a src code from my computer to the remote computer

I am beginner in linux and I don't know many details about it. I am trying to copy a folder from my computer to remote computer to install it in the remote computer and work with it. how I can do that....
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1answer
25 views

Permission Denied updating grub as root

I bought a MSI laptop recently and I struggled to install Ubuntu. Now I have it installed and I have two problems. One of the is that I need to modify the grub file but when I try(update-grub) it ...
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1answer
40 views
+50

How to make external drive accessible to a user e.g. webservers user

I have a program which creates some log directories using root next to the directory the user has given as argument to the script. I later chown them to my webservers user. The problem is if all ...
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0answers
25 views

how to move files from an encrypted home to a new one?

Yesterday I have recovered (not reinstalled) Ubuntu 16.04 in the same partition of my old home, so I created a new home with a different name, a new password and a new passphrase . I have lost all the ...
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0answers
10 views

Password authentication problem in scaleway server

I have two scaleway servers. When i used scp to transfer file it asked for password, upon typing the correct password it errors back saying "Permission denied".What might be the reason?
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0answers
9 views

No such file or directory while trying to give permissions to Tomcat

I made /opt/tomcat directory for Apache Tomcat and extracted latest binary distribution to it. I'm following this article and everything besides this line works: sudo chmod g+r conf/* Whenever I ...
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1answer
13 views

Terminal Marked “Not Executable”, and owner is root. Ubuntu 14.04 Unity Desktop(Chromebook)

So for some reason, terminal didn't appear anywhere when I tried to find it in my applications. So I went to the usr folder in my computer, and searched "terminal" there. I found it, but it was all ...
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1answer
32 views

unable to print to Linux network printer access denied

I have Lubuntu 16.04 on my desktop pc, an HP deskjet 1050-j410 printer connected by USB.The printer works fine directly from my desktop. I have CUPS & SAMBA installed. It is shared & visible ...
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32 views

What is the best way to limit sudo access? [closed]

I have set of users where I need to give them sudo permission to run some programs. But at the same time, I don't want to take a chance in setting things in fire as they have sudo privilege. How to ...
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1answer
32 views

Make applications not forget settings

I am running Ubuntu with i3 as my window manager. For some reason, some of my applications forget changes I make to their settings if I am not running the applications as root. For instance, if I try ...
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0answers
15 views

how to fully control task manager? [closed]

i want a step by step method; using terminal command. i want to have the ability to remOve any files. i want to be the only user that have this ability. i do not have any third-party, or none free ...
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1answer
55 views

Why does chmod have two different meanings for 5?

I think I have a pretty solid understanding of file permissions, but there's one specific set of permissions that has an element I don't understand. The permission set 0755 should show as rwx-rx-rx ...
3
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1answer
36 views

How to give a user privileges to change system date and time?

I have a program which will run on Ubuntu 14.04 on an ARM device. Everything about the program can run under standard user privileges, except they should be able to change the system date and time. ...
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15 views

How to work touch pad in ubuntu 15.10 [closed]

In my ubunutu version 15.10 didnot work touch pad.how to solve this
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1answer
35 views

How to fix chmod -R 777 /usr

I know :) I'm an idiot :) I did chmod -R 777 /usr I was able to run chmod -R 755/usr from recovery mode. Now almost all work well. But the Software update and a few other futures still don't work. ...
0
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1answer
15 views

Authentication agent and i3wm

How does one turn on an authentication agent like Polkit when using the i3 window manager? I would like to get a password prompt whenever I try to launch an application that requires certain root ...
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0answers
8 views

matlab system error [duplicate]

After starting Matlab on Xubuntu as root I get this system error when I am trying to open it. I reinstalled it but the same problem occurs. Can anyone help? MATLAB crash file:/home/pc/...
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1answer
16 views

Why does an error box with “Virtual Disk Manager | Access is denied.” appear when I try to delete Ubuntu partitions?

I am trying to uninstall Ubuntu from a dual- boot system with Windows 7. According to the Howtogeek tutorial on this, I need to delete the Ubuntu partitions from the computer. When I side- click them ...
0
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1answer
43 views

Install perl-tgicl on Ubuntu 16.04

I'm having dependency problems when trying to install perl-tgicl on Ubuntu 16.04 64-bit. sudo dpkg -i perl-tgicl_2.1-1_all.deb Selecting previously unselected package perl-tgicl. (Reading database .....
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13 views

How to Resolve the problem of read only pendrive in Ubuntu 14.04 lts

I encountered a problem when copying something to a drive. The system is telling me: Read-only file system. I tries some basic solutions but could not resolve my problem. I just used following ...
0
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1answer
14 views

gksu doesn't show the installed program folders into wine folder

I use Ubuntu Studio 16.04 LTS. I tried to edit some specific parameters of an specific Windows software (which must be used with Wine), so I used gksu to open the ".wine" folders with root privileges ...
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27 views

Share a folder on an external hard drive between two Ubuntu 16.04 machines

As far as linux based systems go, i was born about three weeks ago but by no means am I a computer illiterate. I want to share a folder on an external hard drive physically mounted on an Ubuntu 16.04 ...
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23 views

Python and PHP in Apache - 403 Error

I am doing some work on some servers. I added in python into my php, apache2, and mysql server. Now I just get 403 forbidden errors. I am using an online cloud workspace called cloud9. Here is my ...
0
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1answer
36 views

Everything is permission denied

After a fresh Ubuntu Mini CLI install, nothing has permission to do anything. ssh-keygen can't create a directory for id_rsa.pub, git can't do anything without sudo, etc. I can read most files, but ...
2
votes
1answer
16 views

disk space issues on Amazon Ubuntu?

I have an Ubuntu 12.04 server running on Amazon, it's a well seasoned instance that's been running for several years. This is not a shared hosting system, the whole thing is ours. We just started ...
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0answers
8 views

Need assistance on understanding debugging MPICH executing on cluster

I am running into a few issues with the SSH and MPICH executing. From some previous questions that I asked, I was able to progress to a point where I executed the mpi_hello.c program. For reference, ...
0
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1answer
41 views

Accessing root files by logging in as normal user

After logging in as a root from a terminal, I can create new directories but I can neither see nor manually access them by mouse clicking when log in as normal user in GUI. I can only access them ...
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0answers
13 views

setting the proper permissions for a .php plugin to run

I'm trying to install a web based software, basically what I have to do is put the software directory in my website dir, then access www.my-website.com/softwaredir in the browser, which should ...
1
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1answer
39 views

Having Trouble Transferring file to a new folder

I get this message when I try moving a file to a new folder sudo mv bios.rom usr/share/higan/GameBoyAdvance.sys mv: cannot move 'bios.rom' to 'usr/share/higan/GameBoyAdvance.sys': no such file or ...
0
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1answer
41 views

Invalid user error using chown

I am running into an issue where when I type in sudo chown, I am recieving an invalid user error. I created a user called clusterUser using the GUI. In the root directory of the computer (/), I ...
0
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1answer
32 views

Gedit error for non sudo - undefined symbol: cairo_surface_set_device_scale (undefined symbol: cairo_surface_set_device_scale)

for some reason I am unable to run gedit as a normal user. I get the following error: heberto@heberto-XPS-13:~$ gedit gedit: symbol lookup error: /usr/lib/x86_64-linux-gnu/libgdk-3.so.0: undefined ...
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1answer
34 views

Wordpress with Owncloud

and it was working well. Then I installed wordpress and it worked well as well. However, I couldn't access owncloud anymore. I have owncloud installed at /var/www/owncloud and wordpress installed at ...
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0answers
33 views

Restrict SSH remote access to users home directory chroot

I am hosting a server, now is there a customer who needs SSH access to his home dir. /home/csgorental1 i can give him access to SSH but then he is able to see certain files on the server i don't want ...
2
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0answers
19 views

Extracted a zip to install exe but directory is locked and not found with ls -la

Quite new to Lin. Downloaded Visual Studio Code to extract its binaries and install. Got to files but one is a locked directory that I want to delete and I can't even find with sudo ls -la to later do ...