Tagged Questions

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

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2
votes
2answers
70 views

When you create user using adduser what happens on the system?

I see that /home/user folder is created. /etc/passwd file has an entry with non bin/false or bin/nologin shells. /etc/group has user group. /etc/shadow has the password. Is there something else ...
0
votes
1answer
64 views

File Recovery and System Repair

My staging server, an Ubuntu 13.04, crashed and I need to recover some web files. I tried doing the boot-repair for 5 times now, but every time I run the boot-repair, the Recommended Repair option is ...
0
votes
1answer
256 views

Can't login to Lubuntu 13.10

After installation of LAMP + MyPhpAdmin accord to this tutorial Install lamp, I can't login to my account. I see my login screen (with prompt enter login + password). But after entering it shows me ...
-1
votes
1answer
40 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?
1
vote
2answers
88 views

Get full path of currently open files

I'm trying to code a simple application that must read all currently open files within a certain directory. More specificly, I want to get a list of files open anywhere inside my Documents folder, but ...
0
votes
0answers
26 views

working significantly so slow

my system is taking some time (around 10 minutes or more) to start. while checking system, there is no function which eating up my resources, but still its slow to start and also takes a while to ...
0
votes
0answers
22 views

What must be done after rescuing kernel panic

I had used GtkOrphan app to remove unused packages on Ubuntu 12.10, however I accepted to delete all the listed packages that it had offered and it caused a kernel panic because I didn't noticed that ...
0
votes
0answers
20 views

Tools windows from system settings are visually messed up. 13.10

I use messed up because it's hard to describe, check out this image for what I mean: Each option in my system settings has the background removed like that. Also if you notice the top bar is big ...
0
votes
1answer
116 views

Unable to install latest Ubuntu 12.04.4/13.10-hangs after installation-upon reboot system running low graphics error

When I download any latest Ubuntu i.e 12.04.4 or 13.10 after installation is complete the system hangs when i click the 'Restart Now' button. Then when I hard reboot it it says "system running in low ...
0
votes
1answer
45 views

Unable to login from GUI?

Running 13.10 x64 on an Ubuntu laptop (System 76 Kudu Professional). When I bootup and provide my password; the screen goes black for a moment then returns to the login screen. Switching tty I am ...
0
votes
0answers
14 views

Install Ubuntu on new Acer AspireV5-123-3659

When I start with bootable usb flash drive, Ubuntu starts, I press install, and a few seconds later it jams. Have tried different media, different versions of Ubuntu. Help please!
0
votes
0answers
69 views

Change location of system menu indicatior to left.

I want to change location of that system menu indicator which is on the extreme right side to extreme left side of status bar. Here is the sample: How can i do this ?
0
votes
1answer
70 views

Are application layer protocols part of system utilities?

Are applications layer protocols like dhcp, http, dns, ftp, nfs, smb, etc part of system utilities like ls, cp, chmod, rm, mv, etc?
0
votes
1answer
96 views

change priority (nice value) of a program permanently

i am trying to change nice value to (-20) permanently for uget-gtk by using gnome-system-monitor. But when i end process and restart it again, nice value by default got (0). Is there a way to set ...
0
votes
0answers
8 views

Error: No root file system on brand new computer [duplicate]

Just built my first computer from scratch and started to install Ubuntu but on the "Installation Type" page, I got an error message that reads "No root file system is defined. Please correct from the ...
0
votes
2answers
670 views

using gparted to create more than 4 partitions?

I've created a bootable usb and I'm getting ready to install ubuntu 13.10 to dual-boot with Windows 7. The problem is I don't know how to deal with my partitions. I have 4 primary partitions on my ...
1
vote
1answer
106 views

How to install CPU-G on Ubuntu

How to install CPU-G on Ubuntu , so i can use it to view information about my desktop hardware .
1
vote
1answer
53 views

How do I repair a Disk (is not booting)

My hard drive will not boot. The screen comes up blank. It was working fine yesterday. No changes made. I am using Ubuntu 13.10 on 64-bit. On the same computer, I am using an USB emergency ...
0
votes
0answers
34 views

How to know the Hardware encryption capabilities of a system

Assuming that I don't know on witch system I am (via a remote ssh connection for example and may be on boards powered by an amd thunderbird or an arm processor or the latest intel xeon ... or maybe ...
1
vote
2answers
51 views

XP Pro Unbutu Install?

My Computer currently has Windows XP Pro on it. Can I just download Ubuntu on top of it or must I format and make a clean install?
0
votes
0answers
20 views

Ubuntu is not recognizing my keyboard

I installed Ubuntu 12.04 on my LG laptop with Windows Vista with 2MB ram. I do not know what I did wrong but the keyboard is not working so I cannot log in for internet and or anything else. Do I ...
0
votes
0answers
28 views

How do I get my system/ applications to start normally, and switch between OS's?

When I go through the normal steps to switch between my OS's, Ubuntu automatically starts up, when before I had the option of choosing my OS(Windows 7 / Ubuntu) when I started my computer up. I press ...
0
votes
0answers
18 views

Int system call and 'int' within C syntax

I'm learning about kernels and I was curious if the int system call(in our case, in Linux) has any connection with the declaration of an integer in C and C-based languages. int n; Is an integer ...
0
votes
0answers
26 views

How to compile the source code of the operating system

How to compile the source code of the operating system, for example, Ubuntu, just want to ask how to compile it into a form such that I can then alert it to boot and install, I want to try it and when ...
-2
votes
1answer
109 views

MAlWARE on computer [closed]

I'm inexperienced on computers, but am sure that some type of Malware is on the computer. I went to the Ubuntu site and tried to install to install protection with the suggested site of: ...
1
vote
1answer
41 views

ubuntu 13.10 slow on Asus 1005P

After having upgraded from 13.04 which was super stable and performing absolutely o.k. I have great problems with 13.10 now. All graphical processes and programs are extremly slow. Tried to remove ...
0
votes
2answers
460 views

How do I get the new hostname into syslog after changing the hostname?

When I installed Ubuntu I named my computer "test" after the installation was finished, I renamed the hostname to somewhat nicer: sudo hostname silversurfer And I added the hostname to /etc/hosts ...
0
votes
0answers
20 views

cubiebord 2 and ubuntu?

hi i need some help with the cubiebord 2 and ubuntu . i want to buy one an i would like to know some things : - can i make it a ubuntu server ? - i want to use it to instal any operating linux ...
0
votes
1answer
139 views

Everytime after updating system, i have to reinstall NVIDIA driver to get my unity work properly

Every time after updating system, i have to reinstall NVIDIA driver to get my unity work properly. Every time i update my system, after restarting top panel and side bar goes missing and graphics ...
0
votes
0answers
36 views

Installing Ubuntu on a rebuilt PC without any operating system: no success

I want to use Ubuntu on my rebuilt system --- new HD, new motherboard, new power unit, old case, and old optical drive. All seem to work well but I'm not sure whether I need a preformatted Ubuntu ...
1
vote
1answer
81 views

need help errors and lots of missing packages ubuntu 13.10

i am running ubuntu 13.10 on an msi notebook, i am in no way computer literate and to try and fix one small problem i have unintentionally gotten in way over my head, created more problems and am in ...
0
votes
0answers
48 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.
0
votes
0answers
13 views

What do I need to get basic system audio on 12.04 LTS?

I have no system sounds and I cannot listen to any audio from any thing like Youtube videos, etc. I just need sound out of the system speaker.
1
vote
1answer
322 views

what is “System program problem detected” notification about and how to fix it?

I will start by saying this is not a duplicate of System Program Problem Detected nor "System Program Problem Detected". I do not want to disable apport. I want to find a way to know what is ...
0
votes
1answer
1k views

Ubuntu 13.10 won't allow me to change file permissions. Fresh install

I just freshly installed Ubuntu 13.10 and made myself an admin account. I had a problem with closing my laptop and the system suspending so I went into change the /etc/systemd/logind.conf to change ...
0
votes
0answers
41 views

How to install ubuntu 13.10 in new partition with windows 7 installed

I have a system with windows 7 already installed. I have created a new partition on my hard drive that i want to install ubuntu in. when i select the something else option on the install menu, i am ...
3
votes
3answers
2k views

How to recover a deleted /etc/passwd?

I deleted the /etc/passwd file and cannot login now. I don't know the root password and tried lots of passwords, but none of them worked. How can I fix this?
1
vote
1answer
219 views

Operating system not found after shut down

I recently broke my Harddrive, so i'd put a new one in and installed Ubuntu 13.10 on it through LiveUSB, but the PC could not find the Operating system. I have a Acer eMachines e640, with amd64 ...
1
vote
2answers
55 views

What makes a Linux Distro a “Linux Distro” and not a “new” OS? [closed]

Like how some Linux distros might use different core components and what not, function completely different than another distro and what not, what is it exactly that keeps a distro from actually being ...
0
votes
1answer
31 views

Changes made to html / css / js (stored on NTFS partition) are lost

I edit web pages (saved on NTFS partition) using Komodo Edit. As long as I usu Ubuntu (12.04) everything seems to be fine (changes appear to be saved), but after rebooting / switching to windows 8 all ...
1
vote
1answer
356 views

How can I see my System details in a Graphical way? (in Lubuntu)

I am new to LUbuntu. In Windows, if I want to know my system properties, I see it by going to Control Panel and clicking on the System icon. What are the equivalents of these features in LUbuntu, ...
3
votes
2answers
6k views

Ubuntu doesn't load desktop at all after login screen [duplicate]

I'm using Ubuntu 12.04 for more than 1 year on my Dell N5010 laptop. It was OK yesterday morning, but when I wanted to save my VirtualBox session, it gaves me an error ( i don't remember exactly but ...
11
votes
2answers
934 views

What are the disadvantages of having a dot in a user name?

A student just asked what could be the downside of having a dot (. ) in the name of the user. For example: john.doe How will this affect the system or any apps for that matter?
1
vote
0answers
25 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 ...
1
vote
0answers
79 views

Mouse problem, disappears

My new ubuntu 13.10 has a problem. The cursor frequently disappears and then reappears a few inches later. Any "pointers"? I am on a system76 galago, using the trackpad. I have looked all over the ...
0
votes
1answer
22 views

Using Ubuntu and Win7 on two drives

I would like to dualboot. I have ubuntu 13.10 on one hard drive and Win7 Home on another. I’ve been using Ubuntu for a long time but I don’t know where to start. What is the easy way to get this done? ...
1
vote
0answers
89 views

Mounting 2nd Hard Drive (Win7)

I have Ubuntu 13.10 installed on my internal hard drive and I’m tiring to mount a 2nd internal to recover data off it. It has Win7 Home installed on it. I am having problems mounting it. What is the ...
0
votes
0answers
392 views

How to get system call numbers in Ubuntu 12.04

I am reading the book Operating System Concepts. On page number 94 (in 8th edition), the author talks about system call numbers, and gives the location of the file where we can get this number: ...
0
votes
2answers
297 views

Ubuntu Crashes Evertime I Open System Settings

I just upgraded to Ubuntu 13.10. Every-time I open system settings Ubuntu crashes. Is there a fix for this.
1
vote
1answer
44 views

System Randomly Crashes [duplicate]

I don't know really how to explain this in more detail... besides ... my system just sometimes crashes randomly.. It usually does it when i'm on youtube though. but it doesn't freeze or anything, it ...