0
votes
0answers
5 views

How to whitelist commands to certain users in Ubuntu

I have heard that there is a way to whitelist certain commands to users in Ubuntu. Such as allowing a user to run rm but not rm -r or rm -f. Hope someone can help.
0
votes
0answers
7 views

How to make Dolphin use gnome-terminal instead of konsole?

I'm trying to run a launcher in a terminal with Dolphin on XFCE. I expected gnome-terminal (my default terminal) to appear, but instead got this error: how can I make Dolphin use gnome-terminal ...
1
vote
0answers
7 views

Pear upgrade all is not working in Ubuntu

When I try to upgrade Pear It shows message on terminal as follows Will upgrade channel://pear.php.net/xml_util Will upgrade channel://pear.php.net/pear Will upgrade ...
1
vote
0answers
10 views

Realistic working swap for 128GB RAM?

I've just installed Ubuntu 15.04 on a new 240GB SSD, and immediately noticed that /dev/ubuntu-vg/swap_1 on the resulting installation is 137GB. That seems excessive, even counter-productive, but ...
1
vote
0answers
4 views

No sound out of Ubuntu 15.04

There is literally no sound, I've tried every solution online I could find. It start when I unplugged my Microphone. I've tried reinstalling alsa and pulseaudio, booting in different kernel, ...
0
votes
0answers
4 views

Why Is the Package Installer Giving the “Dependency is not satisfiable” Error Even After I've Installed the required packages?

I'm trying to install GameTree. I downloaded the deb. file from the site and tried to open it with the package installer. It popped up dependency is not satisfiable: python (>= 2.4) After some ...
0
votes
0answers
7 views

UFW blocking 169.254.0.0 (link-local / apipa) addresses?

When using iftop on my wlan0 interface, there are a few link-local addresses connecting. How and where can I filter these connections? I have very specific UFW rules blocking 169.254.0.0/16, but I ...
1
vote
1answer
10 views

Current running kernel recomplile question

Guys let me try and explain this throughly, is it possible to recompile the current running kernel WITHOUT downloading new source etc.etc. I just want to reconfigure my currently running & patched ...
1
vote
1answer
7 views

which ubuntu release should I install on hp compaq dc5100mt?

I have the hp compaq dc5100mt with the following specs: 1024x768, pentium 4, 3.0 ghz, 3.1 gb ram, 80gb hdd splitted in 60gb and 20gb. So I'd like to know which ubuntu release should I install on this ...
0
votes
0answers
3 views

Single click on altgr or right control as context menu

I've got new laptop, but I am dealing with one problem. There is no context menu button. I use alt-gr or right control often, but I was thinking, I alwas use it with another key, so basically single ...
0
votes
0answers
3 views

Trouble adapting sleep hook to systemd

for some reason my machine has problems with suspension, specifically, it resumes as soon as it suspends. After some research I was able to solve this problem on 14.04 by using the following loop, as ...
0
votes
0answers
10 views

Ubuntu 14.04 mail “icon”

I got xChat on my ubuntu and when I minimize it to tray and I try open it from mail icon, it opens new xChat and not what I have minimized. Is there way to fix it so it opens minimized and not new?
0
votes
0answers
21 views

installed gimp but it doesn't open

I just installed gimp. It doesn't open if I click on it, it doesn't open if I do sudo gimp either. Im using Ubuntu 14 and Unity.
0
votes
0answers
6 views

Odd behavior with certain disks and mounting

Whenever I mess around with a disk, (not quite exactly sure what triggers it), Ubuntu's partition searching system seems to bug out. I was trying to set up my camera SD card to auto-mount and when ...
0
votes
0answers
10 views

getnameinfo() API call failing on Google Nexus 10

I am using my own Android app to play RTP streams which uses ffmpeg as shared library. My video player is working fine on most of the Android tablets. But it is not able to play RTP streams on Google ...
0
votes
0answers
4 views

How purge a webapp configuration in Ubuntu Phone?

After change the icon & description in the developer panel, the application is showing the older icon & description in the phone, even if I reinstall the app. Please, how could I purge that ...
2
votes
1answer
5 views

Brightness & Lock missing in System Settings - can't change screen locking time

I am running 14.04.2 LTS. I want to change the time it takes to automatically lock the screen when I step away, but there is no Brightness & Lock option listed under the System Settings. I have ...
1
vote
1answer
17 views

Change Folder/File Permissions for HIDDEN Subdirectories

This question is very similar to Change Folder & File Permissions for all Subdirectories , which worked for me completely when the folders weren't hidden. However, I have a hidden folder (call it ...
1
vote
0answers
21 views

Ubuntu crashes frequently

I recently moved from Windows to Ubuntu 14.04LTS 64-bit OS. Initially everything worked really well. However for the last couple of weeks Ubuntu started behaving crazy. The transition from good to ...
0
votes
1answer
18 views

How would I upgrade systemd?

I read today that systemd has been updated to version 220 over on It Runs On Linux. I was wondering a couple of things not included in the article and pertaining specifically to ubuntu 15.04. As the ...
0
votes
1answer
11 views

User password don't work vsftpd server

I created an user with: useradd -m -s /bin/false testuser Also I added in the vsftpd.user_list 'testuser' and changed the password with passwd. After a restart of the vsftpd service I wanted to log ...
0
votes
0answers
10 views

No Windows Option on Lubuntu Dual Boot on Surface Pro 3

I installed Lubuntu alongside a preexisting windows 8.1 install on my Surface Pro 3. Lubuntu was installed fine - but when I boot up - I dont see an option to boot into Windows. ...
0
votes
1answer
18 views

How To login With Root in Ubuntu 14.10

Hi Team Of Ubuntu I Want To ask You . How To login With Root In Ubuntu 14.10 Sorry My English Is Bad
-1
votes
0answers
10 views

how to install software-center in kali linux [on hold]

root@Mr-wassim:~# apt-get install software-center Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you ...
0
votes
0answers
11 views

Black screen after suspend

I have problem after suspending my PC using Ubuntu 14.04. When I press suspend, the screen goes black. Also, when i want to wake my PC up, it does not respond to anything not the keyboard or the ...
0
votes
1answer
14 views

how can I link virtualhost to /root/myfolder

I have change /var/www/html to /root/myfolder in /etc/apache2/sites-available/000-default.conf. But when I try to access website I get "forbidden" error. I tried adding permissions to /root/myfolder ...
0
votes
0answers
5 views

I have two Preseed files, one is “corrupted” and other is fine

I have a working preseed file that I cobbled to together manually. Ubuntu 14.04.1 likes this file and will installed in a completely unattended manner. I then took and wrote some C# to write out ...
1
vote
2answers
20 views

Is there an application for measuring uploaded and downloaded data?

I want an application to count amount of data uploaded and downloaded and the speed of each.
1
vote
0answers
11 views

Windows are closed after unlocking

I've been using Ubuntu 14.04 for a long time. Recently when I lock my computer and unlock it after a while, Unity starts normal but all windows are closed. I was willing to share some (actual) info, ...
0
votes
1answer
25 views

How to reinstall a deleting MBR partition

I removed by mistake the MBR partition at the beginning of my disk (no kidding). Now I can't boot. Is there a way to fix this big problem without reinstalling all the system ?
1
vote
1answer
11 views

Cannot install lxml on Ubuntu 14

I have problems installing lxml on my virtual machine, cloud server, Ubuntu 14.04.2 with 512MB RAM. For people that are going through this, I will document little steps of problems that occurred on ...
0
votes
0answers
12 views

Using Ubuntu 14 running from CD to install windows 7 on empty HDD

I'm quite new to Linux. The reason I decided to use it has to do with a problem I had on my laptop: The display is broken and my friend was about to put it to garbage. So the disk was removed and ...
0
votes
1answer
37 views

How to download facebook videos by using 'youtube-dl' in linux?

I am unable to download facebook video by using youtube-dl. The following error occurs during downloading. mrn@madhavnikam-Aspire-E5-511:~/GM/genymotion$ youtube-dl ...
1
vote
1answer
15 views

can't install cpan module Image::Magick

I am trying to install Image::Magick on my headless Ubuntu server Ubuntu 14.04.2 LTS # cpan install Image::Magick Reading '/root/.cpan/Metadata' Database was generated on Thu, 21 May 2015 22:17:02 ...
-4
votes
0answers
10 views

'unable to locate package libnl-3 dev', kali linux 1.0.6 gnome 3.4.2 [on hold]

sudo apt-get install libnl-3-dev Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package libnl-3-dev
0
votes
1answer
6 views

Ubuntu 14.04 for high performance computing cluster

hy guys ...I want to combine all the resources above 3 OpenStack my computer ? How to? Can anyone help me. so if pc1 = procesoor 2.4Ghz hdd=1TB pc2 = procesoor 3Ghz hdd=1TB pc3 = procesoor 3Ghz ...
-1
votes
1answer
9 views

Ubuntu 14.04 freezes on startup

When i start my laptop then ubuntu starts but it freezes after its logo appears and can not sign in it freezes before sign in Its just a screen that steady nothing works but after i press power ...
2
votes
0answers
6 views

Two webcams of the same model are not working

I've been developing a dual webcam system for stereoscopic purposes, in a linux enviroment, using c++ with the opencv library The ideal setup would be with 2 webcams of the same model, but it didn't ...
0
votes
1answer
13 views

Ubuntu installation on UEFI system - grub console after boot

After a short (but bloody) battle I was finally able to install Ubuntu on my Dell XPS 13 (the 2015 one). After rebooting all I can see is the grub console. Typing exit pops up the Windows system that ...
0
votes
0answers
7 views

Switch application windows gnu screen way in Gnome

I like gnu screen windows switching way: Ctrl+A 1, Ctrl+A 2, ..., Ctrl+A 0 At work I always open windows in gnu screen same way for even for different projects: Ctrl+A 0 always opens Rails console ...
0
votes
0answers
6 views

GnuTls update from 2.3.23 to 3.x.x

Im having issues updating the version of GNUTLS, currently running Ubuntu 14.04.2 LTS, and my version of gnutls is 2.3.23. I started with the tutorial from ...
0
votes
0answers
5 views

XFCE IBus layout switching not working

Somehow, only default XFCE keyboard layout switching is working for me. When I remove all hotkeys from XFCE settings manager and try to switch to IBus I can change layouts from IBus widget, but ...
0
votes
1answer
31 views

“Starting version 219” after kernel upgrade to 3.19.0-18

Today after kernel upgrade from 3.19.0-16 to 3.19.0-18 lightdm fails to start. GPU driver is fglrx installed from "Additional drivers" tab of "Software & updates". Try to enable service by ...
1
vote
0answers
10 views

Sound problem with extrernal monitor

The sound from my monitor was working perfectly until today when I updated my computer. I can't see my monitor in Sound Settings. Is this problem related to the new update?
2
votes
1answer
32 views

Network & WiFi problem not working on lenovo G50-70

This is my first use of Ubuntu. I installed ubuntu 14.4 but the WiFi is not working. I don't understand how to activate them. What should I do? lspci -knn | grep Net -A2 && rfkill list: ...
0
votes
0answers
8 views

Sound is muting and jumping to max

My sound is jumping from what ever volume is set to 0 and back up. I've tried disabling auto mute in alsamixer but it doesn't help in any way. I've also saved the setting but it does not even work ...
0
votes
1answer
17 views

Ubuntu 14.04 Access point

I am trying to activate my access point on Ubuntu to share the cable University connection with my mobile phone. But I get zapped by the following: "(32) Access Point (AP) mode is not supported by ...
0
votes
0answers
8 views

php exec() not working properly

I have a server running Ubuntu 12.04.3 LTS and a LAMP stack used for processing files uploaded to it (hashing, size, path, etc.) and it seems to be acting up. When a file is uploaded it goes through ...
0
votes
1answer
11 views

How to install Rdio App on Ubuntu 15.04

Following the instructions mentioned here, I realized that no packages are available to 15.04. After adding repo: sudo add-apt-repository ppa:sgringwe/rdio The update process (sudo apt-get update) ...
1
vote
1answer
9 views

Nautilus not generating thumbnails for GIF images in Ubuntu 15.04

No matter what I try (changing the preview options, deleting the thumbnail cache, etc.), Nautilus in Ubuntu 15.04 does not generate thumbnails for GIF image files. However, it generates a thumbnail ...

15 30 50 per page