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

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0
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7 views

VirtualBox: same virtual machine in a shared folder result in file not accesible every time an user saves the state of the machine

I have created a shared folder in /Users/shared_folder. I have moved the virtual box files to that folder /Users/shared_folder/.VirtualBox VMs/ I have set the whole folder with all the permissions: ...
0
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1answer
17 views

Why do it get this error while downloading source packages as a Regular user?

I'm downloading a source package and I get this error W: Can't drop privileges for downloading as file 'inkscape_0.91.orig.tar.gz' couldn't be accessed by user '_apt'. - pkgAcquire::Run (13: ...
0
votes
1answer
28 views

Start up script - ubuntu16

I am trying to write a script which will run at startup. Issue is that I am trying to run this as root, on user login. Could someone advise me which is the best way here? I am on ubuntu-16, and I am ...
1
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2answers
52 views

Is it safe to revoke group other access to every directory in a file system?

I'm trying to secure an account on our server called ssh_user that is used purely for connecting via SSH to our server. Everyone on our team logs into this account via a PSK secured ssh connection ...
1
vote
1answer
18 views

How to change directory permission from read-write to read-only

I'm an elementary-os user and I recently installed XAMPP to practice PHP. At first, I had to give read-write permission to /opt/lampp/htdocs/, in order to create the project files. But ...
2
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0answers
14 views

login error in Ubuntu 16.04 with X authority problem

I've Installed Android Studio and wpscan metasploit and LAMP Stack server on my system. The next day when I've tried to login to my system I got that black loop page and backed to my login page. I'...
0
votes
2answers
12 views

Copying files to var/lib/tomcat7/webapps/ROOT

I have installed a web app in var/lib/tomcat7/webapps/ROOT that runs using tomcat7. When i check the file permissions,i see that they are owned by tomcat7 How can i copy a file inside ROOT and make ...
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0answers
13 views

Connection for controluser as defined in your configuration failed

I have been using LAMP on my system for a while now, i decided to change ownership of the lampp dir from root to my account, now i'm getting this control user problem that never existed before. I have ...
1
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1answer
21 views

Security - Apache's websites folder inside Home folder

Is it secure to change DocumentRoot path to some folder in user's Home directory? Or it's better to leave it be and using a shared group between your user and Apache server as you can see it in the ...
1
vote
1answer
46 views

/etc/dpkg/dpkg.cfg.d/multiarch: Permission denied [duplicate]

I have Ubuntu 14.04, and I'm trying to install wine:i386 to use PlayOnLinux, following this article. However, when I run: sudo echo "foreign-i386 architecture"> /etc/dpkg/dpkg.cfg.d/multiarch I ...
3
votes
1answer
19 views

process terminated with status 2 - How do I track the issue down?

looking for some troubleshooting suggestions... I have an application installed running as a service under my user account (yes, I should likely create its own account). Anyhow, every now and then ...
0
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2answers
43 views

How do I save php file in var/www/html when it shows error “Permission denied”? [duplicate]

I cannot save a php file in var/www/html and my computer shows error "Permission denied". How to change permission to save file here?
-1
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0answers
19 views

can't add a new pci identifier /sys/bus/pci/drivers/ahci/new_id

Ubuntu does not mount my disks connected with Marvell 88SE9172 SATA 6Gb/s interface. In some forums i found this is a kernel issue and under following link I found some workaround that adding new pci ...
1
vote
1answer
35 views

Trying to ssh root, why get permssion denied in 16.04?

I'm trying to set up passwordless ssh between root accounts in 16.04 (needed for Hadoop installs). I set up a password for root by sudo su - root and passwd. When I try e.g. ssh -l root slave3 or ...
0
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0answers
20 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 ...
2
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0answers
21 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 ...
0
votes
1answer
23 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 ...
0
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0answers
14 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 ...
4
votes
1answer
51 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 (...
-1
votes
1answer
36 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=...
0
votes
1answer
41 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 ...
-1
votes
1answer
54 views

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

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
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 &...
0
votes
1answer
75 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
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0answers
48 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 ...
0
votes
1answer
49 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($...
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0answers
20 views

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

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 ...
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 ...
1
vote
1answer
39 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 ...
0
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0answers
22 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
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1answer
52 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....
0
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0answers
8 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 ...
0
votes
1answer
19 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 [...
7
votes
0answers
73 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 ...
0
votes
1answer
37 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/...
3
votes
0answers
44 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.....
1
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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
413 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
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

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
0answers
30 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
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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 ...
0
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0answers
35 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
1answer
31 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
1answer
51 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
51 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 ...
0
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0answers
39 views

Unable to connect to WSGI daemon process

First of all, this is not a duplicate. I've tried all other related questions and Googled for ours without any clue on how to solve my specific issue. I recently followed a nice guide on how to set ...
-1
votes
1answer
34 views

Display all the files with read and write permissions and display result in file

Display all the files with read and write permissions and display result in file can any body help me in that its easy but i am little bit confused so please help on this