For questions regarding the function of the entire operating system and issues that affect users system-wide.

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-1
votes
1answer
42 views

Upgrading from XP [duplicate]

I have an old XP laptop running a 600m processor. I downloaded Ubuntu. I have not run install yet. What is the next step?
0
votes
0answers
12 views

System command QML runs executing only in Desktop Kit

Following another thread Run system commands from QML App, I wrote a program that calls command arecord. I only replaced some lines in Main.qml: ... onClicked: { var lista1 = ...
6
votes
3answers
7k views

System Program Problem Detected

I have Ubuntu 12.04 LTS, fully up-to-date. I'm new to Ubuntu. Whenever I start my system I face "System Program Problem Detected." Why is this happening? I ran sudo rm /var/crash/* but it again ...
9
votes
3answers
13k views

What is the systemctl equivalent

I am converting a package from .rpm to .deb using this tutorial. However, to test and debug the application I need to run it. The programs readme explains to run it as a service with: systemctl ...
2
votes
1answer
8 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
21 views

All my system settings disappeared!

I am fairly new to Ubuntu and am having some problems.. Today I noticed that no sound was being output at all while I was in Ubuntu. I am dual-booting with Windows 8, where the sound works perfectly ...
0
votes
1answer
47 views

Ubuntu freezes with no way but restart the system

Ubuntu 14.04 is installed on by Dell Latitude E7440, with Intel Driver and external displays connected using a Dell Port Replicator. Beginning 4 or 5 weeks ago, Ubuntu starts to randomly "freeze". ...
1
vote
0answers
17 views

How can I restore system files that were accidentally deleted in /usr/share and /var/lib/dpkg?

So ya, earlier today I accidentally ran a rm -rf /usr/share and let it run for about 15 seconds. And then in trying to fix the error I went ahead and uninstalled all of my desktops and a bunch of ...
0
votes
1answer
167 views

Recommended best settings for update manager in ubuntu 14.04.1

I am using Ubuntu 14.04.1 LTS. I want to know about the best and recommended settings for software update. I am asking this because it is not possible for me to update my software daily. Because I am ...
1
vote
0answers
22 views

15.04 GUI icons (Buttons) not responding to mouse over

I've recently installed updates and they broke my GUI... :( problem is that I don't know what did it.. Here is what is happening: When I mouse over an icon in the tray, it doesn't light up like it ...
7
votes
2answers
2k views

System wide browser protocol handlers?

When developing an application for a Windows system, there is a registry entry you can make on the client machine that sets a 'protocol handler' in the system. In the same way that mailto links work ...
0
votes
0answers
13 views

14.04 add wine tray to upper panel

need solution how to add active wine apps tray to my upper panel on Ubuntu 14.04, because now, they're not showing anywhere at all. Help ;-)
0
votes
0answers
14 views

Is there a roadmap for me to follow to resolve hard-to-diagnose problems like mine ? “System program problem” after login

My system recently had some hangs that only ended after a power-off reboot. Now: reboots take a long time once I do login, several "System program problem detected" boxes pop up Both Synaptic and ...
0
votes
0answers
52 views

system policy prevents unlocking or controlling the mobile broadband device?

Keep getting this pop-up requiring me to enter my password when I have Modem Manager GUI open. It happens every 5 mins, as long as Modem Manager is open. How do i change my system policy to allow the ...
1
vote
1answer
71 views

How can I remove Ubuntu and reinstall a fresh Ubuntu 15.04 to my computer? [duplicate]

I don't really know what I'm doing, and don't want to get this wrong. I've made a backup of everything I want to keep on an external hard drive, and wish to do a clean install of Ubuntu 15.04 from a ...
-1
votes
2answers
37 views

Ubuntu cannot log in [duplicate]

My Ubuntu only allowed guest login to desktop.Once I login to System as user ,It jump to login interface again and very quick please i need a simple answer with a simple langauge
0
votes
1answer
33 views

Unable to login after playing with rc.local file

I was trying to run a terminal command on startup in my ubuntu 14.04.02 xrdb ~/.Xresources I found this method in super user in which /etc/init.d/rc.local file is edited. As mentioned in that ...
-1
votes
0answers
20 views

Changing system settings doesn't work

When I enter the system settings, and I change keyboard shortcuts (e.g. I try to change default shortcut for making sound louder or muting sound) or when I try to turn on multiple workspaces, nothing ...
1
vote
1answer
39 views

Are Ubuntu builds deterministic? Why not?

Are Ubuntu builds deterministic? I assumed they are, that is, if I recreate the process of building Ubuntu installation media, I will get the same image, (bit-for-bit, with the same checksums) as the ...
-3
votes
0answers
17 views

system-installation

I want formatting /delete/ Ubuntu Mate 14.04, and install an other OS/ windows or other Linux/ Only the installed op.system /Ubuntu Mate is starting always F8 doesnt help, if I try it. There starts ...
1
vote
1answer
12 views

What is the release schedule for Lubuntu Alternate patch releases?

The Lubuntu Alternate ISO does not always get released simultaneously with the rest of the ISO's. For example, according to TrustyTahr/ReleaseSchedule, as of April 30th, 2015, the following releases ...
1
vote
0answers
16 views

Which system calls are called when file is updated from gedit? [duplicate]

If any file is updated using gedit then internally which system calls are called or which algos are called ?? What is the way of getting that list of operations occurred when file is updated from ...
0
votes
0answers
28 views

kde configuration in Kubuntu 15

I can't figure out how to get system settings to allow me to change the splash screen or "look and feel" modules. There's not "download new theme" or equivalent box to click on. What am I doing wrong? ...
13
votes
6answers
5k views

Ubuntu desktop suddenly points to home folder

As of now, my desktop has begun showing the contents of my home folder (~) instead of the contents of ~/desktop. I must have changed something, but I have no idea what, or what I was doing exactly ...
11
votes
8answers
18k views

How to make my proxy settings change depending on the network I connect to?

My company's corporate network requires me to set a network proxy to access the net, but when I am anywhere else, I don't need it. The proxy settings in Ubuntu (System -> Preferences -> Proxy server) ...
0
votes
1answer
26 views

1st install just leaves a background screen!

Just installed Ubuntu for the 1st time (ever!) on a Tosh Satellite L450D laptop - changing from Windows 7. Initial issues with Disk partitions overcome - I did a complete install from CD. Asked me to ...
2
votes
1answer
28 views

Do I have to download kernel?

I have Ubuntu 14 .. Do I have to download the kernel for this version ? And what kernel version is suitable for that? What is the need for kernel ? What is the function of the kernel in Ubuntu ?
0
votes
0answers
24 views

Ubuntu 14.04 randomly freezing [duplicate]

I have Ubuntu 14.04 running on a Thinkpad T440 with Intel Core i5 Vpro 4gb with Intel Haswell graphics but it is randomly freezing with no reason. Recently I didn't have made any big change on the ...
1
vote
2answers
38 views

how make bootable usb flashdrive of Xubuntu to later be burned to a cd

I am extremely new to Lenux and flavors. Have old laptop with win/xp sp3. Want a light wieght operating system Xubuntu to run on it. I have a 7gb actually 7.45gb on a flashdrive and need to know how ...
0
votes
0answers
27 views

ubuntu 14.04.2, full system freeze

I am trying to run Steam on Ubuntu 14.04.2 and I was installing a fairly big program so I switched from my wireless attachment on my Desktop to LAN. After I plugged in the 2 LAN cords my whole system ...
0
votes
0answers
24 views

Ubuntu hard reboot. Failed to power

I was told to do a hard reboot on my ubuntu 14.04.2 Ubuntu Desktop. Once i did it didn't turn completely back on. So i got prepared to run fsck, So i put in the recovery disk and rebooted my computer ...
0
votes
0answers
22 views

Cannot start system after deleting password file

I wiped out the password file in root folder with the cat command, I tried to restart the system, but no longer works. What can or should I do? I learn well from mistakes, I have tried recovery mode ...
0
votes
0answers
20 views

Sound not working on HP notebook

Since yesterday my laptop will not play music or videos on YouTube, and if it plays them at all, the videos are without any sound. Besides which, it stays stuck out of nowhere with any webpage I open. ...
0
votes
1answer
81 views

Error during installation gem 5 in full system mode

On giving the command below in gem5 directory **build/ARM/gem5.opt configs/example/fs.py --disk-image=/home/pradnya/full_system_images/aarch-system-2014-10/disks/aarch64-ubuntu-trusty-headless.img** ...
0
votes
2answers
64 views

Convert NTFS TO FAT file system

How I change NTFS file system to FAT or MS-DOS file system without losing my data using Linux Commands?
0
votes
0answers
6 views

What version of Ubuntu will work the best with Packard bell dot net book [duplicate]

I have been using linux on and off for a while now but I keep on going back to Windows due to the linux operating systems performing very slow, takes time to open any windows takes longer to open ...
0
votes
1answer
21 views

Need System Settings Icon back on Launcher

So plain and simple. I've never uses Ubuntu in my life. I was playing around with the launcher shortcuts on the left side of my window, and I decided to "unlock system settings" from the launcher. How ...
-4
votes
1answer
23 views

Will my laptop be able to install ubuntu? [duplicate]

I want to install Ubuntu as my main OS, but I'm worried that it will not work and mess up my laptop. Here are my specs: Also, I want to know if this will mess up things like wifi and speakers.
0
votes
1answer
41 views

Can't access ubuntu after creating dual boot [duplicate]

I've been pulling my hair out the past couple of days trying to access my installed Ubuntu. Here is what happened: I wanted to create a dual boot of windows 8 and Ubuntu 14.04. So I downloaded an ...
-2
votes
2answers
27 views
4
votes
1answer
713 views

System programming in Ubuntu

I'd like to get into Ubuntu systems programming; to be specific - developing and debugging device drivers. However, I'm not sure about how to get started, even though I have prior experience ...
0
votes
0answers
21 views

Error when attempting to update Ubuntu 14.04

I am using Ubuntu 14.04.When I attempt to update: sudo apt-get install -f I see this error: kg-deb: error: subprocess paste was killed by signal (Broken pipe) Examining /etc/kernel/postrm.d . ...
0
votes
3answers
50 views

Slow Ubuntu desktop

I'm new for linux, but I had some occasion to use different versions of it on other PCs or live-CD on my own PC. Yesterday I decided to normally install Ubuntu on my desktop computer after several ...
0
votes
1answer
34 views

Problem booting to Ubuntu and Windows 7

I clean installed Windows 7, and installed Ubuntu 14.04 afterwards. Rebooted, then booted straight to Ubuntu. Used Bootable Windows 7 USB and fixed the MBR in command prompt. Then rebooted and it ...
2
votes
1answer
55k views

How to Fix “Read-only file system” error when I run something as sudo and try to make a folder/file?

When I try to save something or rename a file/folder it say this error " Read-only file system" or run something as root in the terminal it say this error sudo: unable to open /var/lib/sudo/"My User ...
1
vote
1answer
232 views

Terminal (Ctrl+alt+F1-6) text colour

Is it possible to change the default foreground text coulour in the F1-F6 Terminals or the machines bios colour. I Love Green on Black and change it in the konsole/uxterm/Term ect as soon as I install ...
0
votes
0answers
50 views

System program problem detected - susres.2015-03-17_13:58:24.356479.uploaded

Last thing I installed is Skype. Last night I turned off my PC and when I started it there was a pop-up screen with system problem. I opened crash and I don't know what is the problem and how to fix ...
1
vote
1answer
74 views

Difference between Ubuntu and Scientific Linux?

What are the differences between Ubuntu and Scientific Linux? Is there any major advantage in using Scientific Linux over Ubuntu particularly in the case of numerical computing or any other fields?
0
votes
0answers
29 views

Ubuntu cannot enter desktop

My Ubuntu only allowed guest login to desktop.Once I login to System as user ,It jump to login interface again and very quick.
4
votes
1answer
614 views

Can system event sounds be assigned in Ubuntu 14.04, rather than the default system sounds?

I was wondering if there is a way to use custom system event sounds in Ubuntu 14.04? The only settings available in the System Settings → Sounds tab is the default theme. If so, must this be ...