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

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0
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1answer
28 views

How to prevent break of NFS connection?

First of all I am new in this forum and not a native English speaker. Out of this any help and patience would be appreciated ;-) I have an Ubuntu server and a Linux Mint client. For Backup reasons ...
0
votes
0answers
10 views

I can't put icons on Ubuntu 16.04 gnome-fallback desktop

I am running Ubuntu 16.04 Gnome, but using Gnome-fallback (metacity). I can't drag and drop icons from the application pull-down menu, but when I copied my backup from my external hard drive, which ...
0
votes
1answer
27 views

Proper samba config/share permissions

What is the proper permissions that should be set in the smb.conf and applied on the directory & files? The reason I ask is I have set force user = nobody in smb.conf on my shares, with the file &...
2
votes
0answers
12 views

Weblink redirection to site from pdf

While opening a PDF in evince and click any web link on that PDF it is not redirecting to the site on UBUNTU 12.04. My default browser is google chrome. I have updated it recently. In terminal a error ...
10
votes
7answers
81k views

Change XAMPP's htdocs web root folder to another one

I'm trying to change the XAMPP's web root default directory /opt/lampp/htocs to another one like /home/me/Dropbox/public_html without success. I've edited the file /opt/lampp/etc/httpd.conf # old ...
0
votes
1answer
17 views

How to give permissions to user www-data (apache+php) to access media/user/sd card slot?

I have a php script that runs from apache2 call that needs to read files in a SD card. The SD card appears mounted in /media/user/name of SD card partition. I tried to read this answer Default file ...
4
votes
1answer
50 views

What is the danger of running untrusted softwares as a normal user

Sometimes I have to use some propriety softwares which I don't trust in them and in their behavior. Lets say we installed a propriety software in /opt/software, then we run it as a normal user (...
0
votes
0answers
13 views

Installing postfix as non root user

I need to install postfix as a non-root user (no privileges to change user/group/owner). So far I have come across tutorials and documentation that assumes you are root or have the ability to install ...
0
votes
1answer
27 views

how to give a user permission in samba share?

i have created a samba server as following [global] workgroup = workgroup server string= samba server %v dns proxy = no netbios name = nas map to guest = bad user security = user [rc] comment=...
2
votes
1answer
22 views

gksudo pcmanfm alone or with gksudo leafpad?

If I open pcmanfm using the gksudo command this lets me manipulate files and directories safely. But what if I want to open and modify a text file in one of those directories? Will the gksudo ...
0
votes
4answers
7k views

MySQL not starting in Xampp

I am using Ubuntu 14.04 and Xampp 5.6.3-0. I cannot get the MySQL server to run. I have tried executing these commands so far (run in this order): sudo chmod 755 /opt/lampp/etc/my.cnf sudo chmod -R ...
1
vote
2answers
82 views

Sudo is not asking for password on Ubuntu 16.04

Ever since I update to 16.04 I notice whenever I use any sudo command the terminal does not ask me the password before executing the command,The command is directly executed.I am the admin and I have ...
0
votes
1answer
36 views

You don't have permisission necessary to save the file,PHP Apache [duplicate]

I just installed LAMP server, which works fine. But when I code a PHP script and try to save it in /var/www/html, it says: You don't have permisission necessary to save the file Help me! How do I ...
0
votes
0answers
45 views

Can't access some files (NTFS), permission denied (not even with sudo)

Got a screwed up Surface Pro 2 and any recovery attempt on the Windows 10 installation has failed. So to save all the files I booted up the device with 16.04 LTS Live USB. The filesystem mounts ...
-1
votes
1answer
51 views

I have this error whenever i try to install something “unable to lock the administration directory (/var/lib/dpkg/) are you root”!

I am about to install the apache web server. I am getting the error whenever I run apt-get install: unable to lock the administration directory (`/var/lib/dpkg/`) are you root I tried with sudo apt-...
0
votes
1answer
64 views

How to access ubuntu server 16.04 sever's files from windows 10 PC?

I recently installed ubuntu 16.04 on a machine I built, hoping that it'd serve my home for file sharing, media server and probably for VPN. I have installed Samba and the LAMP server. I also have ...
0
votes
0answers
43 views

Ubuntu Server unable to create directory in PHP

I have setup a little Ubuntu Server for developing some web apps. I have a little script that uses mkdir() to create a directory, but i am getting a permission denied, its a simple command mkdir($...
0
votes
0answers
20 views

Cannot change directory at /home as root user (Permission denied) [on hold]

I am using GNUroot debian ( an android app ) and after many attempts to connect with ssh to my server i now have no access with cd at my /home folder as a root user. I can run ls /home but i cannot ...
0
votes
2answers
964 views

Please settle a Sticky (bit) argument

I got into a good-natured spat with a fellow worker about the nature of the sticky bit. My contention, working from the chmod man page was the the sticky bit, if set, allows only the owner to delete ...
1
vote
1answer
36 views

Why do mount, ping and su have a sticky bit set?

In /bin most binaries don't have a sticky bit set except for: fusermout, mount, umount, ping, ping6 and su. Why are these ones not supposed to be deleted or renamed? Is it because they are used in ...
-2
votes
1answer
33 views

chmod not assigning permissions properly?

We are testing osTicket which is an open source ticketing system and have set everything up, but when we try to connect to the page we get blank results with the following error logs: [:error] [pid ...
6
votes
2answers
22k views

How to automatically mount a folder and change ownership from root in virtualbox

It is my first time using virtualbox and ubuntu (14.04), I am on a host Windows 7 OS. I am trying to mount a shared folder that has files I need to access both in the virtualbox and on the windows OS....
0
votes
0answers
21 views

What privileges should I give to a user who can access my SFTP but only reads them

I have a current root user which is able to do, well ROOT privileges on my SFTP running on Ubuntu LTS 12.04. I'm planning on adding a new user that can only read a specific directory inside my sftp. ...
0
votes
1answer
51 views

How to run as root on a Raspberry Pi?

I just got a raspberry pi and got an image from school where we had to change the IP address to something else, by mistake instead of having auto lo in my /etc/network/interfaces file, I have 4auto lo....
2
votes
2answers
91 views

Can't log in: Upgraded to Ubuntu 16.04 invalidated my public ssh-keys, changed to PasswordAuthentication no and now I can't get back in

I upgraded my remote server to Ubuntu 16.04 (from 14.10). Then I reconfigured it to only use keys and not passwords. Did that by editing the /etc/ssh/sshd_config file where I changed to the following:...
0
votes
0answers
7 views

Understanding Ruby Setup with bundler “bundle install” as non root

I received a ruby source code + dependencies and db. The code is about 3 years old and running on an 12.04 Ubuntu. Now I am trying to make a fresh setup on 14.04. I installed a lamp stack and wanted ...
1
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2answers
3k views

How to overcome “Permission denied” running C program even after “chmod +x”?

After compiling a C program on Ubuntu 10.10, after executing chmod +x ./a.out, I am still getting bash: ./a.out: Permission denied. How can I run my new executable?
0
votes
1answer
12 views

SAMBA on exFAT partition, can't have write permissions

I have an exFAT external disk, and I want to share its contents via Samba. Everything works for for READING, but for writting I get a message saying I have no permissions. This is my smb.conf [...
0
votes
1answer
25 views

Unable to run mksdcard SDK tool ubuntu 16, 2016

Followed How to install Android Studio on Ubuntu? to install android studio. But get error (hardware : aspire e15 E5-573G): Downloading android-sdk_r22.6.2-linux.tgz from https://dl.google.com/...
7
votes
0answers
57 views

How to make /sbin/shutdown, /sbin/reboot etc. require sudo again in 16.04?

For whatever reason, we do no longer need to be root (or using sudo) to run /sbin/shutdown, /sbin/reboot etc. This seems to be because those executables are now symlinks to /bin/systemctl which ...
1
vote
0answers
30 views

Move completed torrents to smb-share - permission issue

New to the forum. Hope this will be a great experience! :) First off, I'm not any good at Linux but I use it on my home server and several virtual machines because of the cost of M$ licenses. So, I ...
3
votes
0answers
39 views

Script on reboot

So, I programmed a simple script to alert on slack whenever the server is rebooted. What I did: In /etc/rc6.d/R99reboot-slack: (I tried with R01reboot-slack) #!/bin/sh /scr/msg.sh "Server restarting.....
-4
votes
1answer
71 views

permission denied target 'xyz' is not a directory [on hold]

Please help with this question : Create a new user called hos with password 123. In the home directory of this user, create a file called xyz, containing a list of all files and directories from /etc ...
4
votes
1answer
3k views

Why does chmod 644 make directories inaccessible?

I have a bunch of media files (that only need to be 644) that were a mix of various permissions. Some were group or global writable so I thought, just to be safe, I'll chmod them all back to 644. The ...
1
vote
0answers
30 views

Programs that require su permission dont work unless ran as sudo

I'm running Ubuntu MATE 16.04 with openbox as my DE. The programs that require the sudo password get weird errors when i try to run the action that needs it. For instance if i try to install a program ...
4
votes
2answers
411 views

Making a folder need root permanently

I want to make a directory need root to access. I tried chmod 000 /path/to/directory And it works but the change is easily revertable. How do i make it permambent?
0
votes
1answer
46 views

Linux restrict user to specific folder in var/www

My apache root /var/www/html/ contains the following folders. myapp test testapp I want to create a new user to access only testapp folder (read/write). Other folders shouldn't be read. I created ...
0
votes
2answers
4k views

User access to FTP and at same time set www-data as owner/group

In order for wordpress to read/write the owner of the files/folders need to be www-data. Now the problem is that if the owner is www-data of group filetransfer (www-data:filetransfer) then the FTP ...
1
vote
1answer
4k views

Permission problem with SFTP in FileZilla

Recently, we installed Ubuntu Server on our servers this is very new for us. However, we tried to setup a apache2 server which did work. But the problem is that we can't configure apache and other ...
0
votes
0answers
21 views

Automount Removable NTFS Partition with Permissions

I have a USB drive with an NTFS partition. When I plug the drive in, it will be automatically mounted in /media/user/ (this is Ubuntu 14.04). I would like to use POSIX permissions so that I could ...
9
votes
4answers
70k views

permission denied for root@localhost for ssh connection

I just installed Ubuntu 14.04 and LAMP on that. Then, I wanted to configure my server, so tried out This tutorial. When I give the command: ssh root@localhost I get : Permission denied, please try ...
0
votes
0answers
8 views

FTP Issues with 553 error: 14.04 on AWS running ISPConfig3

I have installed ISPConfig3 on an AWS server, using a 'Perfect Server' tutorial from HowToForge, and all seems well until I try and create a website. The server works, and a default config exists, but ...
0
votes
1answer
50 views

Default permission of `/var/www` folder in Ubuntu

I have just hosted my website on Ubuntu Server. It is working fine, but all files are publicly accessible. like hitting url mywebsite.com/uploads/ giving the list of all files. mywebsite.com/...
0
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0answers
28 views

Can't update Rubymine due to permission issue

I'm trying to update Rubymine to 8.0.4. The UPDATE button was not active due to a permission issue, and I got this alert: RubyMine does not have write access to /opt/Rubymine. Please run it by ...
0
votes
0answers
31 views

PyCharm's Problem with shared folder of VirtualBox

I have installed Ubuntu in the VirtualBox on Windows 7 host then I shared a folder from windows host to Linux in the VirtualBox and add my login user to vboxsf group. Now I can compile latex files ...
0
votes
0answers
18 views

problem with set permissions to wordpress

I have install Wordpress,set first 755 to Worpress directory to can access the web page , now i can't upload anything , it's says Unable to locate wordPress Content directory (wp-content). Also ...
0
votes
1answer
27 views

mkyaffs2image error in Ubuntu terminal

What is the use of "mkyaffs2image" in the following command in Ubuntu terminal? How to solve the error given below. sudo chmod 755 /usr/local/bin/mkyaffs2image /usr/local/bin/mkimage mkimage file ...
0
votes
2answers
89 views

Removing R libraries in protected /usr/ paths

I am familiar with Unix as an operating system, but not in the general logic of how developers decide to organize application library locations. Take R, for example. Installing R on ubuntu can be ...
1
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2answers
40 views

Group permissions not kicking in

I have added a user to a group. selah@wwbp-grand:/localdata/harvard$ groups chwinn chwinn : chwinn perma Then I have recursively changed the group of a directory: sudo chgrp -R perma /localdata/...
0
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0answers
46 views

How to fix permission changes automatically?

~$ sudo chmod 777 . [sudo] password for aswin: chmod: changing permissions of '.': Read-only file system ~$ I tried to change the permission in the Terminal but it always says chmod: changing ...