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

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4
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0answers
2k views

Reinstalling Grub - shows no volume groups found, how do you fix this?

I have a full backup which I had restored onto a new built system on Ubuntu 12.04 The backup did not include /dev /proc /sys folders. Upon rebooting, the grub show the following errors error: no ...
2
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0answers
328 views

xfonts installation failed and apt compromised

I started the installation of all the xfonts packages on my Ubuntu 14.04.1 system with sudo apt-get install xfonts-* While extracting a package (one of the hundreds of the list), the system got ...
2
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0answers
141 views

Is there a system-wide spell check setting?

I just reinstalled Ubuntu on a new hard drive, and now I have to disable spell checking in just about every application. Can I do that for the whole system?
2
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0answers
78 views

Sound changed to muted on boot-up?

I just installed Ubuntu 12.04 LTS on my iBook G4 and every time i reboot the volume is changed to mute and i have to turn it up again. How can i make it so it automatically unmutes before lightdm and ...
2
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0answers
251 views

How can I distribute mandatory settings (system and LibreOffice settings)?

I'm a Linux sysadmin and I maintain 100 Ubuntu desktops. We're about to upgrade to 12.04, but before we can do that we have to make Ubuntu PCI complaint. Meaning we have to lock some mandatory ...
1
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0answers
27 views

Ubuntu 14.04LTS - Random beep from system speaker

My internal speaker (mainboard) sometimes does a beep. This seems to happen randomly. Sometimes it happens every few minutes, sometimes it is quiet for hours. There seems to be no specific event ...
1
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0answers
21 views

About Hipchat4 stopped working system? Anyone have same problem? How Can I fix this?

Hipchat4 release on last week and I try to install new version suddenly, but after I use for 4-5 minutes my ubuntu desktop stopped working and can do anything otherwise shutdown only. Anyone have ...
1
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0answers
90 views

Change notification email subject - Nagios

Anyone can give an idea about, how can I change my Nagios email alert subject? I have google for sometime and every result says to change the command(notify-host-by-email) definition in commands.cfg ...
1
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0answers
134 views

Why can I not use the CAPS LOCK key when typing in my system's GUI?

I am running Ubuntu GNOME 15.10 with GNOME 3.18, and recently (after changing my password) the caps lock has suddenly not been working, now, I haven't yet noticed whether or not it is for everything ...
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0answers
23 views

No taskbar, tty incorrect login

I'm on Ubuntu 12.04. I've just installed libfolks25 and it had to restart a few services to complete installation. Once it restarted and rebooted the system, the taskbar and Unity sidebar have now ...
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0answers
156 views

start on ( condition ) in file /etc/init/rc-sysinit.conf

I am actually trying to add a boot options to start only the filesystem or start it with the static-network-up based on some system settings. We have a standard installation for multiple types of ...
1
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0answers
183 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 ...
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0answers
152 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 ...
1
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0answers
101 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 ...
1
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0answers
37 views

Preparing Ubuntu to be turned off unexpectedly?

I have a few Ubuntu boxes that are locked down and used as Kiosks. Whilst we aim to turn them all off safely, the same can not be said for everyone. The machines use SSDs and there isn't moving hard ...
1
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0answers
310 views

Can't edit system files with gksu gedit gives error when saving could not back up the old copy of the file before saving the new one

I am having an issue with my Lenovo Ideapad y410p with the speakers popping and making a ringing sound which I can't seem to figure out how to fix. I found one solution on Ask Ubuntu but I am unable ...
1
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0answers
216 views

How to remove Shutdown Screen Text on closedown (14.04) - NVidia Geforce card

Just changed my dual-head graphics card to a NVidia Geforce 210 (MIS 210 brand) from a previous failed AMD. Upon shutting computer down (desktop 14.04) the process shows all the termination of mySQL, ...
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0answers
106 views

System settings suddenly locked to defaults

I accidentally pulled the power cable from my laptop, which is without its battery, during a session of Ubuntu 14.04, causing a hard shutdown. I then plugged the cable back, turned the laptop back on, ...
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0answers
27 views

Ubuntu 14 Idle - Non Activity Causes Poor Performance

I'm having an issue with Ubuntu 14. I have a touch screen and I noticed after medium to long periods of inactivity the device "throttles down" and takes a few moments to snap back. When I tap the ...
1
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0answers
2k views

Installing Ubuntu Desktop without a Desktop Environment?

Background I have put together my own desktop environment in Arch Linux, and I'm interested in setting up Ubuntu with the same environment. One way to do this is by installing Ubuntu Server and then ...
1
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0answers
36 views

Recovering the Encryption Password Method

my question is that i am installing the ubuntu 12.04 and gave the encryption password at the time of installation but i forget the encryption password so how to recover or change the password without ...
1
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0answers
2k views

April 2014 update taken, bootup hangs at Stopping System V runlevel compatibility

I've seen other threads related to my current situation, but the solutions posted didn't help... After accepting updates this morning, my system halts at "Stopping System V runlevel compatibility" ...
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0answers
77 views

/casper/vmlinuz:f ile not found

I get this error /capser/vmlinuz: file not found when I try to install Ubuntu 12.04.4 LTS using the iso file on my Windows 7 PC. Can someone help with a solution to this issue.
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0answers
28 views

Cannot use Persistent Mode through USB

I recent broke my Hard-drive, so the only way I can use my PC is through the USB, but when I tried going into the persistent mode, all I get is a white screen. It works on Live mode but not ...
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0answers
480 views

Cannot access local variables using systemtap

I am just getting started using systemtap. On my 64bit Ubuntu 13.04 system, I installed systemtap and dependencies + systemtap-doc and elfutils then added the ddep repository to my apt/sources.list ...
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0answers
46 views

system log not perpetually scrolling?

rsystemlogd is installed - when running - then system log is scrolling too with kernel.log and logging of eth0. Now it happens that system log is not scrolling despite of that rsystemlogd is still ...
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0answers
84 views

I have no sound in my computer

The sound card seems disabled. How can I fix it? I reinstalled my system but when I wanted to watch some videos, there was images but no sound. I hope you can help me. Thank you in advance. Phil.
0
votes
0answers
103 views

Ubuntu 16.04 running very slow [system spec]

Lenovo 100s 14" Memory 2 GB Processor Intel Celeron 1.6 GHZ x 2 Graphics Intel HD Graphics (Cherryview) 64 bit Any idea why Ubuntu 16.04 is running terribly slow on this system? I converted from ...
0
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0answers
23 views

General protection fault

Since yesterday I was receiving General Protection Faults errors (2 IIRC) like this I don't know if it's related, but yesterday, just an hour or so before the first crash, I've installed the ...
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0answers
12 views

System Crashing

I have been trying to install pure data 'pd-extended' and I got this error: unknown error:<clas 'SystemError''>'(E:Malformed line 58 in source list/etc/apt/sources.list.(distparse))'.This ...
0
votes
0answers
17 views

Trying to fix no-audio now no system center icon

I began trying to fix a no-audio issue then lost the system center icon. I have implemented all suggested fixes on this thread with no result. The last situation is this: ...
0
votes
0answers
13 views

Extreme lag on first boot after installation

Month's ago, i tried install ubuntu 64 bit in my laptop and its work fine, and then i tried linux mint 64 bit its work fine too. But recently i have tried to install ubuntu 14.04 64 bit, but this ...
0
votes
0answers
28 views

launch xkill from icon?

While alt-F2 will allow me to launch xkill, how do I add an icon for that in the dock? I'm not using the Gnome panel. Using Ubuntu unity, 15.10, wily
0
votes
0answers
48 views

Can I share file on adhoc network?

I've installed vsftpd and samba after that I created an adhoc connectivity on the Ubuntu. Then i got 10.42.0.1 as the host IP. I connect my mac to the Ubuntu adhoc. And when I open ftp://10.42.0.1 ...
0
votes
0answers
14 views

Why does ubuntu seem to be running in safe mode?

New to linux. finally got ubuntu 15.10 installed but after lots of screen flickering and many restarts the desktop only seems to be running in some sort of safe mode.Can anyone suggest how to diagnose ...
0
votes
0answers
12 views

System Testing doesn't work

My OS is Ubuntu 14.04 LTS and I have a HP Pavilion dv6500. Every time I launch System Testing, it breaks after an hour of use (I cannot precisely tell in which test it breaks). It restarts my PC and ...
0
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0answers
34 views

Google Chrome Crawl/system hog on Ubuntu 15.10 desktop

I finally upgraded my desktop to 15.10 from 15.04 during Nov '15 with excitement only to be continuously disappointed as Google Chrome seems to 'hog' the system, make browsing really slow* with ...
0
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0answers
9 views

Linux Syscalls mechanism - exit function

I am trying to understand linux syscalls mechanism. I am reading a book and it in the book it says that exit function look like that(with gdb): mov $0x0,%ebx mov $0x1,%eax 80 int $0x80 I understand ...
0
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0answers
35 views

System hangs frequently Ubuntu 14.04

I am using a Sony VAIO VPCCB35FN with 500 GB HDD, 4GB RAM, I5 processor and 1GB AMD RADEON Graphics card. I was dual booting my system with windows 7 and Ubuntu 14.04. I recently removed Windows and ...
0
votes
0answers
21 views

how to delete a file using its inode number in busybox?

while doing a random compilation I created a file that has unreadable character as its file name so, I want to remove it using its inode number. I got some options in the internet but they don't work ...
0
votes
0answers
29 views

Suspicous activity cause huge syslog file(over 200G)

I installed a ubuntu 15.10 a few days ago. Two things are running on the ubuntu machine. The first one is "Desktop Sharing", and I use VNC on mac to control the ubuntu machine through IP address. ...
0
votes
0answers
24 views

System requirements for Ubuntu 12.04 with gnome DE

I just installed Gnome Desktop environment on my ubuntu 12.04 to make my computer run faster. Of course,the computer got faster but not as much as I expected. I've : Intel celeron 2.8ghz DDR3 2GB ...
0
votes
0answers
14 views

Ubuntu wont load from USB

I made a live USB from ubuntu and I'm using it as persistant. My problem is the when I plug the USB to the port it will take hours to load after I boot from USB. Why does it take too long to load the ...
0
votes
0answers
186 views

Upgrading Ubuntu 15.10 error

Hi guys this morning i tryed to upgrade my system, from Ubuntu 14.04, but I can't complete the operation because I found this error, can someone help me? The upgrade has aborted. Your system could be ...
0
votes
0answers
22 views

Lightdm will not install, whole system broken

I installed Lubuntu the other day and all was great until I exited i3 and the screen was black with a little white line (like a terminal but typing commands didn't work). All that happens now is the ...
0
votes
0answers
63 views

How to install Docker on Ubuntu and make usability explanation Docker?

I want to install docker in my ubuntu system, What is the use of Docker? How do I install it? And how to use the Docker in ubuntu? I've read and read in ...
0
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0answers
22 views

How to boot ubuntu amd64 in BIOS?

I want to install ubuntu amd64 in my 64 bit pc using BIOS firmware. Remember I have BIOS not UEFI firmware. Is latest ubuntu oses boots in BIOS also? Please reply asap.
0
votes
0answers
11 views

Update indicates problem with Installation

During update via terminal I received a message indicating that the installation was broken and that I should run 'this' command but it went by so quickly I couldn't catch it. Yahoo mail doesn't work ...
0
votes
0answers
59 views

How to change the default bluetooth and sound settings on startup?

Every-time I power-on my laptop my bluetooth device is on and my system sound is muted. Somehow settings are not saved when I shut down the computer. How do I fix this?
0
votes
0answers
110 views

Missing system settings and apt-get gives package dependencies not resolved error

Whenever I was trying to install a third party software like OpenJDK,sudo apt-get gave package dependencies not resolved error. So by reading one of the answers on askUbuntu I tried aptitude package ...