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

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6 views

what is status “ fsnotify_mark_destroy ” in wait channel?

Recently Iam seeing lot of "fsnotify_mark_destroy" as the wchan state for process .May I know more details on this status
0
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0answers
24 views

unable to open time and system settings in ubuntu 15.04

i am unable to open system settings and change time in ubuntu 15.04 on clicking on system settings nothing happens same on time i have changed the brightness setting registry earlier as they were ...
0
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0answers
8 views

installation of ubutu on ma amd machine

I have a problem with the installation of ubuntu. firstly here is my system configuration. processor : AMD A6-6310 APU with AMD Radeon R4 graphics 1.8 GHz RAM : 4GB 64-bit operating system. I have ...
0
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1answer
40 views

how to increase ubuntu's performance(overall)

I have a 1Tb hdd(internal in laptop) which I have divided in 750Gb (windows partition) and 100Gb ubuntu partition , my ubuntu OS is quite dull(over all performance including boot and multitasking) ...
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0answers
29 views

Unattended installation using kickstart and preseed gives blank screen

I have build my own custom image of ubuntu server 14.04.2 for an unattended installation using kickstart and preseeding, and it all looks good, but when the installation finishes it gives me nothing ...
1
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1answer
18 views

I installed Ubuntu but then on the restart it still gives me the option to install it [duplicate]

Is this normal or is there some thing wrong? The installation options are still on the desktop. I had selected the restart now option.
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0answers
11 views

Re-master Ubuntu 14.04 CD failures

I am trying to re-master the Ubuntu 14.04 CD on the i386 architecture. I have the InstallCDcustomization from Ubuntu documentation. This is my 4th attempt to burn a CD from the .iso generated and I ...
0
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0answers
12 views

“No root file system is defined. Please correct this from the partitioning menu.” [duplicate]

I'm trying to install Ubuntu 14.04.2 on a new harddrive in my PC. I'm not using Windows for anything. The hard drive does not have WIndows on it. I used a program to get Ubuntu onto the harddrive via ...
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0answers
9 views

The system hangs sometimes for several seconds

Sometimes (like once per several hours), my Ubuntu 15.04 hangs for seconds. Even mouse stops to respond. When this happens my System Load Indicator shows this cpu graph: I didn't notice any ...
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0answers
36 views

system freezes up but i can still move mouse

Sometimes the system will randomly freeze up and all i can do is move the mouse.I looked at several websites and a lot of them suggest pressing alt f1 or alt 1 or something like that, but the keyboard ...
1
vote
1answer
20 views

After uninstalling ubuntu i can't enter any system. Grub rescue error: unknown file system

I used to have Windows 8. I installed ubuntu (14.04 to be exact). Soon, ubuntu was messed up. So I tried to install a new system. I deleted the ubuntu partition and now whenever I try to boot my pc it ...
0
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2answers
41 views

Are GNOME extensions OS dependent? [closed]

Pretty straight question: are all GNOME extensions available for any OS? I thought that the only thing needed is the Gnome desktop environment, but my question has been put on hold because I'm ...
0
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1answer
10 views

WIFI network problem

when logging into v14.04this msg appears Authentication required by wifi network What is this? I have tried by network wpa key to no avail
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0answers
14 views

i tried installing ubuntu 15.04 in vmware and when am giving password it is asking for password again and again

I have attached the image showing error ----failed-----local compatibility
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0answers
13 views

Get Systemtap to work on 14.04

I'm trying to get systemtap to work on 14.04. So far I've had very little success: I couldn't find debug symbols for the kernel version for trusty. I ended up installing utopic's kernel (*-38), and ...
1
vote
0answers
42 views

CPU number differs in 'About this computer' and /cpu/cpuinfo

Question: I'd like to ask what may cause that there are two different informations about the number of processors. See the reports below. System dialog: If open the System settings/Details tab ...
0
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1answer
19 views

Can't Change 100+ Size System Font

I accidentally changed the font size in system settings to over 100. Now when I log into my account, every text in menus is over 100, making everything ginormous. This makes going back to the system ...
0
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0answers
11 views

How can I repair the system management from the recovery menu

I have Ubuntu 12.04 LTS installed on an Acer AO756. I cannot run Ubuntu in normal mode under mains power alone. If I try to do so the computer shuts itself down after a few seconds. The only stable ...
0
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1answer
41 views

Can I install Ubuntu 14.04 on computer with that system?

Processor: AMD Duron-1.31ghz RAM-640mb Video card:GeForce MX 40-32MB Is Ubuntu 14.04 will run smoothly and better than Windows XP on this computer ?
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0answers
44 views

System command QML runs 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 = ...
2
votes
1answer
38 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
31 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 ...
1
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0answers
36 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 ...
1
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0answers
41 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 ...
0
votes
1answer
66 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". ...
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0answers
37 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 ;-)
1
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1answer
28 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
1answer
150 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
236 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 ...
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votes
2answers
44 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
44 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
vote
1answer
43 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 ...
1
vote
1answer
20 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
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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
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0answers
38 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? ...
0
votes
1answer
27 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
29 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
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0answers
25 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
142 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
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0answers
26 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
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0answers
50 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
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0answers
23 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
23 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
124 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
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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
30 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 ...
0
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2answers
79 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?
-4
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1answer
24 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
63 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 ...
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votes
2answers
33 views

Where can I find themes Ubuntu 14.04? [duplicate]

Where can I find themes for Ubuntu 12.04 ?