This tag discusses protection of data using system configuration or file-based permissions.

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1answer
41 views

How to edit /boot/efi

I have installed rEFInd, and it works well enough, but I am trying to add a theme. To do so, I need access to the /boot/efi/ folder. When I try to access it, I get the following error: ...
0
votes
2answers
16 views

Pre-scheduled daily lock-out periods [duplicate]

I'm looking for an automatic way to lock out our home computer during certain pre-scheduled times of the day. Rather than rolling my own script for doing this, is there some off-the-shelf software ...
0
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0answers
44 views

google-chrome -kiosk disalow save as

I am currently running Google Chrome as follows: google-chrome --incognito --start-maximized -kiosk https://example.com/ To run a kiosk mode, where the user still can use keyboard and mouse. I want ...
0
votes
3answers
68 views

how to restrict time used for using computer in Ubuntu

I want to restrict the access to user accounts for employees to the working hour daily. Monday to Friday (8:00-17:00) Saturday (8:00-13:00) How to do this?! Command line and GUI apps are well ...
0
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0answers
72 views

Restrict user with access home directory only on Ubuntu 12.04

I want to restrict the employees(users) using the computers in this company. How can I restrict user to their home directory to cannot see or use their the Devices, File System and Network on Ubuntu ...
2
votes
3answers
141 views

How to lock user to one directory

I have built a few Virtual Hosts using nginx but now I want to have some users to modify them without them being able to edit anything else outside the host directory. I have tried so many things ...
0
votes
1answer
49 views

How to restrict write/read access to HDD for certain apps

I have an old secondary internal HDD installed in my desktop PC on which I primarily do backups. I noticed that while the drive is mounted it seems that the whole system's performance seems to drop ...
0
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0answers
21 views

Create Ubuntu Standard Disk

We have demand for Ubuntu System within our Organisation. What I like to do is Reset Network Settings Reset Name of the PC Remove "More suggestions" from dash remove Music/movies from dash board. ...
0
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0answers
142 views

Can't access files from a live USB's “casper-rw ” due to Permission Issues

A few days ago I got some old pictures off a broken Windows computer using an Ubuntu LiveUSB. I saved the files onto the pictures section of the Live USB then, thinking I had finished, I got rid of ...
0
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0answers
26 views

External drive starts out read/write then after a couple of minutes it turns read only

I have an external drive that starts out read/write and I can make directories and files, but after a few minutes the drive turns to read-only. I'm running ubuntu 14.04 64 bit. Only one user is on ...
1
vote
1answer
507 views

How to create a very limited user on Ubuntu 14.04

I'm trying to make a safe workstation PC for sensitive data using Ubuntu 14.04. No user should have the right to: print, connect a USB flash drive to transfer files, send files via email or install ...
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0answers
61 views

Assigned access or guided access equivalent

Is there a way to restrict user to use only one app in ubuntu? In Windows it is assigned access feature and in iOS it is guided access feature.
0
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0answers
82 views

restricted access on GSM-Modem USBX for AT commands needed

I need help to prevent unwanted access for a GSM-MODEM on tty serial (USB0,1,2) by either: allow access (even for AT-commands) only for two programms, both are root (asterisk and smstools) or get ...
1
vote
0answers
240 views

restrict access to Internet in guest session in 14.04 LTS

Ciao! I am using ubuntu 14:04 LTS and would like to restrict access to the Internet in guest session at particular times, for example, in use from 10 am to 12 pm and from 5 pm to 7 pm. For all the ...
0
votes
1answer
381 views

Restrict user access to /proc and /sys

I have one big problem: setfacl does not seem to work for /proc and /sys, but I would like to restrict one specific users rights and I do not find it acceptable for that user to read stuff like ...
0
votes
2answers
2k views

How do I set permissions on a network-shared folder?

I used system-config-samba to expose a folder on the network with no user authentication. But I got permission failures, so I used chmod 666 shared_folder. When I go to \\computername from a ...
4
votes
2answers
2k views

How to give a normal user access only to the /var/log directory?

I have a non-admin user in Ubuntu 12.04 LTS desktop 32-bit OS to whom I need to give permissions only to access /var/log as he needs to monitor logs and create reports related to it. I do not want to ...
0
votes
1answer
118 views

Why can't I use anything I download/Why can't I download Unbuntu restricted?

I'm a new user to Linux in general and I'm trying to download Ubuntu restricted add-ons package and I'm having trouble downloading anything. My computer said to download adobe installer and I did, but ...
3
votes
1answer
139 views

How to hide a code from myself until a specified time [closed]

Essentially, what I need is some way to generate and store a random string (20 characters long, say) for some period of time, such that there is no way for me to recover the string until the end of ...
0
votes
1answer
814 views

Can I prevent/restrict standard users from installing/uninstalling software?

Can i prevent/restrict standard user from installing/uninstalling software in Ubuntu 12.04 desktop?
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2answers
122 views

Where is dconf in ubuntu-12.04 desktop-32 bit [duplicate]

I am not able to find dconf in ubuntu-12.04 desktop-32 bit?
2
votes
1answer
996 views

Can I allow a standard user to execute only certain sets of command in terminal? [duplicate]

Can I create a whitelist of commands that a standard user can execute in the terminal in Ubuntu 12.04 desktop? I don't want to block the terminal for the standard user.
0
votes
2answers
1k views

How to prevent standard users from accessing other file directory in ubuntu -12-04 desktop? [duplicate]

I need to prevent/restrict standard users from accessing directory like bin,boot,dev,etc,lib,media?
0
votes
1answer
399 views

How to restrict standard users from accessing system setting in ubuntu-12.04 desktop?

I need to restrict/prevent standard users from accessing "system settings" in UI ?
0
votes
1answer
700 views

How can i prevent standard user from accessing terminal?

How can i prevent/restrict standard users from accessing terminal in ubuntu-12.04.2-desktop-i386 ? I need to prevent standard users and administrators(not root account) in Ubuntu user accounts from ...
2
votes
1answer
346 views

How to block cd/dvd drive in Ubuntu?

I have created 3 standard users in my system and I want to disable CD/DVD drive for them. How to do it?
0
votes
0answers
28 views

Restricting usb usage [duplicate]

I'm using Ubuntu as a server with windows XP clients. I need to block USB ports for clients (xp) through ubuntu from accessing storage media without affecting the USB I/O devices. Is there any ...
0
votes
1answer
410 views

Disable all USB Storage Devices except USB Dongle

I need to disable all USB storage devices except a software Protection Dongle. How do I do it? I tried black listing the USB storage device, but that seems to block ALL usb devices including the ...
2
votes
2answers
2k views

Why can't I change some file permissions?

I use Ubuntu 12.10 and whenever I click on .tex file it says it is an executable file. I wanted to remove this and tried gksu nautilus, but I can't tick off the permission. When I try to remove the ...
8
votes
1answer
547 views

How to restrict a user from accessing a particular application?

I want to restrict an application being opened under ordinary privileges. Only root shall run the application, so that contents wont be seen by others and they wont change anything.
13
votes
2answers
55k views

How to give nopasswd access to multiple commands via sudoers?

Below is what I know: I have to add this below line in sudoers file to give rights to the user for particular task. user_name ALL=NOPASSWD: /usr/bin/apt-get install In this case I want to give ...
3
votes
1answer
393 views

Need to write a script that will jailkit a user and give them access to a particular website directory

I have a ubuntu 12.04 app server hosting a few websites. We need to give access to the developer to only be able upload files to one of the websites. I have installed Jailkit but can't seem to find ...
1
vote
1answer
518 views

How do I set up user level restrictions on a gateway?

I am aware that Ubuntu Server can be used as a gateway to allow Internet connection to a LAN. Then we use IP tables or other firewall settings to restrict (for example), certain websites from being ...
-1
votes
1answer
391 views

How do i restrict user to make changes to NTFS partition ? (in easy steps)? [duplicate]

Possible Duplicate: How to restrict access to a NTFS partition to a standard (non-admin) user? I have 5 NTFS partition on single hard disk where ubuntu is also installed. I want to restrict ...
1
vote
3answers
1k views

Prevent the guest account from accessing a particular flash usb pen drive key?

My pen drive is very important to me. I have a 32GB one, with Ubuntu 12.04 on it. On then pen drive, I created two partitions; one ext4 for Ubuntu (5GB) and the other partition is fat32, so that ...
4
votes
2answers
1k views

How to restrict access to a NTFS partition to a standard (non-admin) user?

I am using Ubuntu 12.04. I have 4 NTFS partitions. I have made 2 users: One for myself (Admin) and one for family (standard/non-admin). I successfully restricted the access to my home folder from ...