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

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30 views

Permission denied using “man”

For some reason an Ubuntu server (14.04.4 LTS) I'm working on will not allow "man" to be run by regular user. Example: man ls man: can't change directory to '/root': Permission denied man: command ...
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7 views

Ubuntu server 16.04 User process - hidepip by default?

I have installed ubuntu server 16.04 and looks like that I have a new behavior that I haven't in previous ubuntu versions, now the new system users can't see other users running processes, is this a ...
0
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16 views

Permission error

I recently installed Ubuntu 14.04 on my laptop. I installed a program called Openquake that I want to use. When I run the program from terminal, these lines printed on my screen: reza@reza-Inspiron-...
2
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0answers
13 views

at command in ubuntu error 'You do not have permission to use at'

Apologize in advance, I am pretty new at php and ubuntu. I have 2 servers set up, one for development and one for staging. On the dev machine I can use the at command without a problem, but on staging ...
0
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40 views

How to run Visual Studio Code as root

I recently installed Visual Studio Code editor. I downloaded the 32bit .deb package. Installed and run normally, but when i tried to save a file in my project folder, it returns permission denied. So, ...
0
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1answer
20 views

Need help with error after setting permission to save anything in var/www/html?

I have found this answer to my problem sudo adduser <username> www-data sudo chown -R www-data:www-data /var/www sudo chmod -R g+rwX /var/www But I have this issue, what should i do now??? ...
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28 views

Ubuntu and squid first world problems

Due to circumstances I won't get into, I have had to reinstall my squid box. I'm sure I've followed the same Ubuntu guide to set it up again (https://help.ubuntu.com/lts/serverguide/squid.html). ...
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6 views

cap_immutable and coreutils

somehow somewhere this got deleted and it is a viable question, so Im going to ask it again. CAP_IMMUTABLE is a coreutils flag that removes explicitly permissions given to root in such a way to ...
0
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1answer
21 views

VSFTPD file permission help for a newbie

I'm putting together a VPS to host a game server for me and a few friends that is running Ubuntu 16.04 server edition. Right now I'm trying to configure VSFTPD to allow us to upload any files we need ...
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16 views

Nextcloud data folder on windows share permission issues

I have a windows share mounted on my ubuntu 16.04.1 LTS server and I want to have my data folder on the mounted windows share. everything is configured and working EXCEPT nextcloud needs to have the ...
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25 views

Error “Can't drop privileges” when trying to download zsh

I am trying to download zsh onto my Ubuntu server but I'm receiving this message of permission denied: ~# apt-get download zsh Get:1 http://au.archive.ubuntu.com/ubuntu xenial/main amd64 zsh amd64 5....
0
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1answer
17 views

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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1answer
26 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
10 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 ...
6
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0answers
34 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
42 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 ...
2
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1answer
78 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
votes
1answer
32 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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40 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: ...
0
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1answer
14 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> ...
0
votes
1answer
13 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 ...
1
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1answer
33 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
42 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 ...
3
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2answers
22 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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9 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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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 ...
0
votes
1answer
21 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 ...
0
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2answers
26 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....
0
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1answer
30 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 ...
0
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1answer
54 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 ...
3
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0answers
31 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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11 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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12 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 ...
0
votes
1answer
16 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 ...
1
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1answer
34 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
34 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 ...
0
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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
votes
1answer
39 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. ...
0
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1answer
37 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
votes
1answer
17 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 ...
0
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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/...
0
votes
1answer
18 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
48 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 .....
0
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0answers
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 ...
0
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30 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 ...
0
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0answers
25 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
votes
1answer
38 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
17 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 ...