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

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1answer
2k views

Unable to find a medium containing a live file system with boot from iso

Unable to find a medium containing a live file system: reset/press Shift/c (command line) grub> insmod iso9660 grub> loopback l (hd0,6)/lubuntu-12.10-desktop-i386.iso grub> set root=(l) grub> ...
3
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2answers
1k views

syscall_table_32.S file not found

I want to add a systemcall to Linux, but in training data we need to change the file linux/arch/i386/kernel/entry.S or arch/x86/kernel/syscall_table_32.S. I can not found the files. I looked and ...
1
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1answer
64 views

unsaved settings

Just had ubuntu 12.04 installed on my pc, the only problem I am discovering is that none of my settings are saving. Appearance-Behavior resets to default every time i reboot. My Thunderbird accounts ...
0
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1answer
177 views

System getting shutdown automotacally

My Ubuntu 12.04 LTS gets shutdown automatically by 11 AM. I've cleared all my scheduled tasks but then getting shutdown. Help me sort out this. Thanks in advance.
-1
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1answer
169 views

Entire System corrupted due to .exe files flooded in the system

I have been using Ubuntu11.04 for last 3-4 months. Few day ago, I installed wine1.4 to run .exe files on my system. Now a virus is flooded in the entire system which creates a .exe file in each & ...
0
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1answer
164 views

Shall I go for 12.04 or 12.10 if I want stability and speed? [closed]

I think this might be the most annoying question for the pros here, but I'd really like to know which version is better if I'd like a super fast start-up and processing speed. I know it rather depends ...
1
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1answer
517 views

Ubuntu 12.10 automatic logout

I just had a new desktop constructed and installed ubuntu 12.10 which was successful for the most part but every time I open up some applications like thunderbird I get automatically logged out and ...
0
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1answer
321 views

What does Ubuntu “consists” of? How do I find out? [closed]

A typical Ubuntu (or any Linux) installation is not just a kernel, it's a bunch of things- a file system, a windows manager, a set of tools and other frameworks. I would like to know what Ubuntu (or ...
0
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1answer
157 views

Sound Icon not appearing

I'm using 11.04 LTS. Everything is going fine. But the other day I booted up and went to use Youtube. I went to adjust the volume but the icon has gone, and the only way to adjust it is to either: ...
2
votes
2answers
391 views

How not to mess up a system, yet keep it clean?

I am newbie to Ubuntu, I got into it 2 weeks ago and I reinstalled it like 10+ times already. In most cases Ubuntu graphic interface wont show up, just command line. Few times I had "low graphic ...
2
votes
1answer
115 views

Update has caused my system to start in text mode

Tonight My system informed me of an update, having preformed the update I was asked to restart the system. Now on start up I'm now presented with the linux console, asking for my user name and ...
2
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0answers
4k views

Wubi Ubuntu Installation “No Root File System Defined” [duplicate]

I Downloaded Wubi.exe & Ubuntu 12.04 LTS From The Official Website Then Put Them In A Single Folder In My Internal Hard Disk. Then I Run Wubi, And It Got Installed Within 2 Minutes. And Then I ...
0
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1answer
83 views

Unstable Wifi and Spontaneous Low-graphic Error with Pavilion DV4

I've been having numerous problems with connectivity through WiFi. It had been working for a few days and now it doesn't. On top of that around 40% of every time I turn on the laptop it shows "System ...
0
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3answers
3k views

Can't install nor try ubuntu 12.10, system halted

tried to find a solution but I wasn't able so far. I downloaded the torrent version of ubuntu 12.10 and burned it onto a dvd and created a bootable stick using unetbootin... the thing is, when ...
2
votes
2answers
20k views

How to open System > Administration?

I'm new to Ubuntu and while browsing over forums I saw goto System > Administration and so on. So I wanna know how I can actually goto System, means where can I find System then Administration and so ...
0
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2answers
2k views

Should I use a 32 or 64-bit system? [duplicate]

Possible Duplicate: What is the difference between 32-bit and 64-bit and which should I choose? My computer is a Lenovo (2010 model) with 1 GB of RAM, 32 GB of HardDrive (dedicated to ...
1
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1answer
525 views

How to show Windows System Reserved partition using Ubuntu live dvd?

All questions in this site ask how to "hide"! I want to fix my boot (fix mrb wont work, I have GPT Disk) by changing some files at Windows System Reserved. GParted shows the following partitions (but ...
0
votes
1answer
490 views

how to set owner and permission to a cryptsetup made device?

I have an encrypted loopback volume. I need to mount and umount the volume manually, so I use cryptsetup luksOpen and cryptsetup luksClose . However, under all sessions (gnome/xfce/kde/unity), when I ...
2
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0answers
175 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 ...
0
votes
1answer
7k views

How can I install Ubuntu in BlackBerry Playbook?

I have a Blackberry Playbook. I loved the Blackberry OS at first, but now I feel constrained by the lack of applications and functions. I assume that, by installing Ubuntu on my tablet, will give me ...
1
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0answers
55 views

System files lockdown

I'm thinking of reinstalling Lubuntu and want to make sure that system changes are not made permanently until I choose to dump it to disk. This is so I never have to reinstall and can try programs to ...
1
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1answer
1k views

My Ubuntu 12.04.1 LTS freezes entire system occasionally except for mouse. What to do? [duplicate]

Possible Duplicate: What should I do when Ubuntu freezes? System freezes and even seconds in clock stop. Keyboard no responds only mouse pointer moves but no left nor right click. How to ...
0
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3answers
1k views

Installed Ubuntu with WUBI, how can I completely remove Windows Vista?

I just installed Ubuntu 12.04.1 yesterday, and I'm happy with how it's working. I think I installed it as a dual system though, because Ubuntu and Vista shows up when the system boots up. I ...
3
votes
2answers
7k views

Got problem with installation. “No root file system is defined.”

I'm very new with Ubuntu and generally with linux. I saw ubuntu and it seems like this OS is really good and stable, and so I decided to install it alongside my windows 7 OS. I have a few problems ...
0
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1answer
689 views

Ubuntu 12.04 can't use mouse and internet

I've been using Ubuntu 12.04 for a while on my Acer Aspire One-722. It was ok, but then, after some updates, the next time i started it, an window "the system is running in low-graphics mode" ...
2
votes
1answer
213 views

Generate a proper 404 page for blocked sites via /etc/hosts instead of redirect to localhost

I have blocked some websites by editing /etc/hosts and adding several newline-entries in the following manner: 0.0.0.0 www.domain.com And it works. The only thing is: when a website is visited which ...
1
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0answers
266 views

how to automatically clean dhcpd.leases?

I'm using isc-dhcpd under Ubuntu and I'm looking for a clean and secure way to "purge" the leases that are expired. Is there a way with dhcpd.conf ? or with a script ? Is there any risks to do that ...
1
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2answers
530 views

What package (helper app) does recoll need to index images?

The File->Show_missing_helpers menu item in the recoll GUI mentions the following missing helper (among others): Perl::Image::ExifTool (image/gif image/jpeg image/png image/tiff image/x-xcf) Per ...
-1
votes
2answers
326 views

Can you tell me if Ubuntu 12.04 LTS will work with my system? [closed]

My computer's specification is: 5 GB Ram DDR1 Video card is ATI Radeon 1 gb The CPU is Intel Pentium 4 Dual Core 3,0GHZ The operating system is Windows 7 ultimate 32bit Can you tell me if this will ...
1
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1answer
268 views

Tried results that I searched but was not successful :( “error: unknown filesystem. grub rescue>” [duplicate]

Possible Duplicate: Grub rescue - error: unknown filesystem I looked up several threads but wasn't successful with the proposed solution. I always seem to get error in like Step 2 or ...
1
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0answers
130 views

Error while updating ubuntu 12.04 using update manager [duplicate]

Possible Duplicate: How do I fix a “Problem with MergeList” error when trying to do an update? I have Ubuntu 12.04 installed in a sony vaio VPCEH38FN. I have internet connection ...
8
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3answers
11k views

Whats the difference between Unix, Linux and Ubuntu?

What is Unix, Linux, Ubuntu? Are they the same thing or different versions or completely different stuff? This has always made me confused, any explanation would be great.
0
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0answers
44 views

Should I install 32- bit operation system or 64-bit? [duplicate]

Possible Duplicate: What is the difference between 32-bit and 64-bit and which should I choose? I am going to use a computer with quadcore 1,5ghz cpu, 6gb ram, Radeon HD 6520G + 7450M ...
3
votes
1answer
340 views

Curious about how fast Ubuntu copies files

I've installed Ubuntu 12.04 using the normal installer. Things having been working fine, but a few minutes ago I copied a 14Gb file and it said it had copied the file very quickly--so quickly I don't ...
0
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1answer
371 views

Don't want RAID to autostart

I have software RAID in my system, and I would REALLY like it NOT to automatically start at system boot. Ubuntu system is installed on a partition not on a RAID (no need whatsoever to start raid for ...
0
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0answers
25 views

Upstart System Services manager /etc/init NOT /etc/init.d [duplicate]

Possible Duplicate: What's the recommended way to enable / disable services? How can I manage new Ubuntu System Services? The ones located in /etc/init/ and not in /etc/init.d/ I want ...
3
votes
1answer
2k views

What makes Ubuntu harder for viruses to infect [duplicate]

Possible Duplicate: What is the Ubuntu “built in virus protection”? One question I get asked a lot is why there are no viruses on Ubuntu (Linux in general). Even though it is ...
1
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2answers
312 views

How heavy is wine on my system?

I am looking to use a good download manager on ubuntu 12.04 I have tried some such as MultiGet etc but really none of the in my view compare up to Orbit Downloader which works perfectly under wine. I ...
2
votes
1answer
4k views

How to properly modify the sudoers file to create a launcher in order to shutdown the system?

I did it adding the following line, but doesn't work (at least in my case): username ALL=(ALL) NOPASSWD:/sbin/shutdown -h now then making a launcher in the desktop with the following instruction: ...
1
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0answers
145 views

“System Program Problem Detected” [duplicate]

Possible Duplicate: How do I enable or disable Apport? I have Ubuntu 12.04 LTS and it started showing "System Program Problem detected". I think it could be because my Windows is corrupt ...
0
votes
2answers
5k views

Proper way to execute a script on system startup?

As of Ubuntu 12.04, what is the proper/clean way to make the system execute a script upon boot? (not upon user login) e.g. running a daemon.
2
votes
1answer
143 views

Selecting ubuntu 12.04 restarts my HP 540 laptop

Every time I select Ubuntu 12.04 when booting my HP 540 laptop, the machine restarts. How can I fix this, so I can successfully boot my Ubuntu system?
2
votes
1answer
1k views

ubuntu 12.04 system error/macchanger issue?

specifics: Ubuntu 12.04 gateway LT2800 series 1gb ram Intel GMA 3150 I just started getting a system error. I don't know if it's related to my issue with macchanger. But this is the issue I'm most ...
0
votes
1answer
2k views

12.04 call trace - system crash? [closed]

Last night my screen suddenly turned black (black screen like when my laptop is turned off) while I was extracting a RAR file, and I was unable to restart my laptop after. Assuming it was a dead ...
0
votes
1answer
140 views

Get client system information in LTSP

I'm trying to get the system information of clients booted via LTSP to a Ubuntu 10.04 server. Any time I try any system info commands (example lspci | grep VGA) it returns back the server information, ...
22
votes
1answer
18k views

What are “/run/lock” and “/run/shm” used for?

I just want to know where and how /run/lock and /run/shm can help our PC . $ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 56G 13G 41G 24% / udev ...
2
votes
0answers
37 views

Question regarding power outages affect on ubuntu [duplicate]

Possible Duplicate: How resilient is Ubuntu to repeated “power-off” shutdowns? Due to some reasons, sudden power outages are common at my place so my current operating system ...
1
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0answers
108 views

Java wait() and sleep() not behaving correctly on a pariticular Ubuntu machine [closed]

I have a very strange Java issue which occurs only on a particular computer running Ubuntu. When I call the wait(timeout) function it always waits exactly 1000ms less than the time out amount I ...
5
votes
2answers
7k views

Appropriate size for / root partition

I'm about to re-install my system. I like to keep a separate /home and / root partitions. I've been using (K)Ubuntu for around a year now and my / partition (almost 36Gb) never climbed over ~13Gb of ...
2
votes
0answers
99 views

How should I change My Computer Name? [duplicate]

Possible Duplicate: How do I change the computer name? When I open my terminal it shows gaurav@Lin:~$ Out of this I want to change "Lin" which is current name of My computer, how I can do ...