Ubuntu is a Linux distribution with an emphasis on ease of use and installation. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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1answer
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Ignore DNS from DHCP server in Ubuntu

I set static DNS in /etc/resolvconf/resolv.conf.d/base file: nameserver 8.8.8.8 nameserver 8.8.4.4 But my PC still obtains DNS from DHCP, this is my /etc/resolv.conf: nameserver 192.168.100.2 ...
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0answers
94 views

SOLVED: KVM Can't Read Keymap File on Ubuntu 14.04

When I try to create a KVM domain with virt-install on Ubuntu 14.04, I get the following message: ERROR internal error: process exited while connecting to monitor: Could not read keymap file: ...
1
vote
1answer
72 views

Reinstalling Ubuntu: Shall I back-up dot files from my home directory?

I'm removing my Ubuntu 13.04 as I'm reinstalling latest version. So, I have taken back up of my home partition using tar. The back-up includes hidden files (dot files) like below: $ tar -tvf ...
1
vote
1answer
35 views

DHCP Problems Virtualbox

I have some minor issues with Ubuntu server on a virtual machine and even though I have some assumptions as to what actually happens, I'd like to ask all of you about your opinion. Here's the deal: I ...
1
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0answers
59 views

CPU frequency goes back after scaling down by indicator-cpufreq, suspension and waking up

I scale down the CPU frequency by indicator-cpufreq on Ubuntu 12.04. After I suspend Ubuntu and wake it up, the CPU goes back to"on demand" (the default). I wonder if there is a way to keep the CPU ...
1
vote
1answer
97 views

kill pid is not working? [duplicate]

This is pretty weird now. I am trying to kill a process by using its pid but it is not working at all. root@machineA:/home/david# ps aux | grep modelling david 5075 0.0 0.0 1285420 29404 ? ...
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0answers
17 views

Failed packages list

I am planning to write a script to get the list of upgrades available on Ubuntu server and upgrade them. I can get the list of upgrades with "apt-get -s upgrade". But how to get a report on list of ...
3
votes
0answers
107 views

Linux - Only first virtual interface can ping external gateway

I created 3 virtual interfaces with different MAC addresses all linked to the same physical interface. I see that they can successfully arp for the gateway (gw) and they can ping (the request is ...
2
votes
1answer
47 views

why 2TB external HDD is recognized as 800 GB only in Ubuntu 8.10

I had a 2 TB external HDD which I formatted as below. fdisk /dev/sdb After issuing the above command, I did the following steps. Then selected option p. (To print the partition table). Then ...
1
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0answers
181 views

Cannot Start KVM VM Because Missing BIOS

Whenever I attempt to start a KVM VM on Ubuntu 14.04 with the "kvm" command, I get the following error: qemu: could not load PC BIOS 'bios-256k.bin' I have searched for this file and found it ...
4
votes
4answers
938 views

How to play a G2M4 encoded .wmv file (Ubuntu)?

I was using Ubuntu 13.04 (end of life) - now using 13.10. I have this .wmv video file. When I try to play it on vlc, it shows the error below, there is no video but the audio is working properly: No ...
1
vote
1answer
55 views

Enabling a Display Manager in Ubuntu 13.10

I was wondering if anyone knew how to enable/set-up a display manager which prompts for username and password when the screen boots. Whenever I start Ubuntu, it goes to the desktop and then a small ...
1
vote
1answer
157 views

Failed to bind to '127.0.0.1:6600': Address already in use

I'm using ubuntu 12.10 for my MPI(message passing interface) configuration I have installed mpd after installation I have start mpd, it is started normally no error message display but when I'm trying ...
0
votes
2answers
20 views

Can the --prefix path be the same as the directory where I downloaded/unzipped the source?

I was trying to build R myself and put it in a temp_R folder because I wrote .configure --prefix=/dir/where/I/wanted/to/put/R, but it seems that some of the important stuff was put in the temp_R ...
3
votes
0answers
233 views

Full disk encryption with dm-crypt (without LUKS)

I am currently trying to achieve full disk encryption using dm-crypt in plain mode without LUKS header with a separate /boot on USB stick. My main goal is to achive plausible deniability on a ...
1
vote
0answers
41 views

Ubuntu 12.04 apache2 site shows index of instead of actual site on redmine

I have an Ubuntu 12.04 server that has a successful redmine install on it. I have been using redmine on it for a while, but when I tried to set up the SSL cert using this method, ...
3
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0answers
720 views

After installing a new Kernel in Ubuntu 14.04, rebooting takes me to busybox initramfs. How do I mount a filesystem after that?

I have a virtual machine with Ubuntu 14.04 in it. I recently built and installed linux-3.14.5 kernel on it, and tried to boot into it, but it drops me to BusyBox v1.21.1 built-in shell. Here's what I ...
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0answers
138 views

What is SUnreclaim memory?

In /proc/meminfo we find among others: Slab: 276188 kB SReclaimable: 244112 kB SUnreclaim: 32076 kB From what I could find out all three numbers refer to slab memory. But ...
0
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1answer
99 views

Ubuntu sound not working after sleep/suspend

Whenever I sleep my laptop I mean if I down the flap sound doesn't work, every time i have to restart my laptop for sound to make working. Fo instance right now sound is not working(since I closed ...
0
votes
1answer
15 views

Table align in two column page style in IEEEtran latex

I am writing a paper using the IEEEtran class. I need to insert a 3 tables in the top of the 3rd page in the two column page style. my table having 15 columns and 4 rows..... can anybody tell how to ...
1
vote
0answers
365 views

How to install ap-hotspot

I can't seem to install ap-hotspot on ubuntu 12.04. I read somewhere that I should run the following commands: $ sudo su - # add-apt-repository ppa:nilarimogard/webupd8 # aptitude update # aptitude ...
1
vote
1answer
92 views

Runs monit as non-root user

I'm using Monit to monitor my nodejs process. Right now monit itself runs as the root user which may lead to security holes. How could I run monit via the 'monit' user? I installed monit by using ...
1
vote
1answer
124 views

index.html is not working in apache document root

I have got Ubuntu 12.04. I have a file index.html in apache'd document root but apache lists all the files when I access the document root from the browser. It works fine if I replace index.html by ...
2
votes
1answer
73 views

How do I set cron to run on background?

I am on ubuntu 12.04 and following this tutorial. I want to setup cron to run in the background but I don't have a chckconfig in sbin so I can't run sudo /sbin/chkconfig crond on I am fairly new to ...
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2answers
76 views

How to choose the adequate Linux distribution for a given hardware set up? [closed]

We all have a common issue whereby there is an old PC lying around and we want to revive it using a secure Linux distro (vs. using the un-updated native OS, likely Windows) that is both user-friendly ...
2
votes
1answer
44 views

kernel event listener

I wonder if there is something similar to an event listener in UNIX that a program can subscribe to? Specifically I want to know: Start and end times of a user session Start and end of the ...
3
votes
1answer
103 views

Reading Ubuntu installed magazines

I installed a digital edition of a magazine from the Ubuntu Software Center. But how do I read it? Is there an accessory tool to access it?
2
votes
1answer
56 views

how to know the use of my applications?

I want to know how long my programs have been used. For example if I use my web browser I want to know the start and the close time to obtain a total of use time. Basically I want to know when an ...
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0answers
367 views

Installing Dummynet on Linux Ubuntu

I'm new to Ubuntu and I'm trying to install dummynet. I cannot however find a tutorial for Ubuntu. I've tried to follow this tutorial http://goo.gl/ZzKrpk however I get an error when making a kernel ...
2
votes
1answer
76 views

Remove an IPTable Rule

I'm having troubles removing this ipables rule in Ubuntu: $ iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 3128 I've tried using the -D attribute but with no success. How can ...
0
votes
0answers
48 views

How to inactive Wire Lan Connection when have not physical connection

I use Ubuntu 14.04 LTS. When I work at Company, I usually use Wire Lan Connection and set static IP. But, but when at Home, I usually use Wireless Lan Connection and IP information is provided by ...
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votes
2answers
2k views

Can not execute restart networking service on Ubuntu 14.04 [closed]

I use Ubuntu 14.04 LTS, I try type sudo /etc.init.d/networking restart but no output's displayed and no action excuted.
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0answers
69 views

Downloading Debian packages (for a Crunchbang install) on a Ubuntu computer

I'm trying to get the ethernet drivers on a Lenovo T440s to work, more specifically I'm trying to get the intel e1000e ethernet installed. To do that I need the build-essential package first, but that ...
0
votes
1answer
63 views

Writing a shell script in Ubuntu to process several layers as a single animated GIF file [duplicate]

I am an Ubuntu 12.04.4 LTS 32-bit user and I would like to automate the process of opening several PNG images as layers then saving these layers as a single animated GIF file in the GUI of GIMP. My ...
2
votes
2answers
107 views

inotifywait different action on file or dir

I'm trying to make a inotifywait script take different actions for files vs folders if it sees a close_write flag being raised in the watched directory, but cannot seem to get the checks working. In ...
0
votes
1answer
25 views

Proper location to install services

I originally posted this question over on AskUbuntu but it didn't get any traction so I'll ask here. In ubuntu or linux in general is there a "correct" location to install services that you download ...
0
votes
2answers
48 views

Add poweroff to startup script

Yes, as the title says I want to add poweroff to startup script /etc/rc.local (Ubuntu). It sounds odd or silly, the reason is I want to tease my friend for few minutes. I didn't tried it up to now. ...
2
votes
1answer
74 views

Is there a way to manipulate lines in logcheck rules before sending?

There are a few cases, such as netfilter logs, where it would be great if I could send the report logcheck is about to send through a filter. logcheck(8) doesn't seem to describe anything like this, ...
0
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2answers
294 views

UEFI - Linux Mint Boot from USB Doesn't work

I'm running Linux Mint (only OS other than in VirtualBox) and wanting to remove it. I've created a Live USB of Windows 8 using Windows 7 USB/DVD Download Tool - Yes, I know it says Windows 7 but I've ...
1
vote
1answer
81 views

Is it possible to stop specific BIND Log messages from being logged?

I have setup a BIND DNS server and a munin monitoring system which is configured to monitor BIND as well. The OS is Ubuntu Server 12.04.4 and the BIND version coming with it is 9.8.1-P1. Munin runs ...
2
votes
1answer
94 views

bring up ubuntu desktop x11 forwarding

I've been using rhel for a few years and when I want to bring up the desktop over x11, I use gnome-session. I'm new to Ubuntu and I was wondering what the equivalent of gnome-session was for Ubuntu? I ...
0
votes
1answer
32 views

Transfer all messages of thunderbird with windows 7 to thunderbird ubuntu 14.04?

How can I transfer all messages and contacts of thunderbird with windows 7 to thunderbird ubuntu 14.04? I know that have a free app called mozbackup. But it don't works with linux. There a way ...
2
votes
1answer
100 views

closing the unwanted file descriptors

I am trying to understand how pipes work . This code snippet is from some website . So my understanding of the program goes like this : When we do pipe(fd) then fd[0]=3 and fd[0]=4 ( assuming only ...
2
votes
2answers
128 views

it takes too long to connect to ssh server

I've got two VMs with arch linux and debian (running under virtual box). Not long ago, it started to take a lot of time connecting to arch VM over ssh. The first time after a while, successive ...
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0answers
23 views

XFS Tracing with Ftrace

I use a disk drive formatted with xfs.My OS is Ubuntu Server 12.04 LTS (kernel 3.11.0-22-generic). I would like to use ftrace (e.g.,trace-cmd record -e xfs\*) but under ...
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0answers
23 views

“error while loading shared libraries: libopenal.so.1” while installing Drox Operative [duplicate]

I'm trying to install Drox Operative on a laptop I just converted to running Ubuntu, and I'm getting this error whenever I try to run the game: sudo ./DroxOperative./DroxOperative: error while ...
1
vote
1answer
290 views

Ubuntu - Booting black screen with purple border

After the installation of Ubuntu, when I try to boot a black screen with a purple box appears without let me see the GRUB menu. Then the screen becomes black and Ubuntu starts booting. Ubuntu is the ...
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0answers
485 views

XBMC crash after selecting “play”. Ubuntu 14.04 and 13.0 gotham. Link to crashlog

I have a brand new machine with fresh install of Ubuntu 14.04 and I'm trying to run Gotham 13.0 on it. I've already added the restricted multimedia codecs (just in case) to Ubuntu. sudo apt-get ...
0
votes
1answer
58 views

Ubuntu live CD keeps on going back to the choice screen

I had Ubuntu installed before, but then I decided to switch to Windows 7. I deleted all of the partitions and formatted the drive (via the Windows installation disk). Windows works fine, but now I ...
2
votes
1answer
33 views

Edit Ubuntu ISO

Maybe some of you know how to add apps to an Android ROM before it is installed (put them in /system/app). So I wanted to know if there is any way to configure an Ubuntu ISO this easy. I want to add ...