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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4answers
430 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
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1answer
42 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
81 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 ...
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2answers
17 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
147 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
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0answers
24 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
372 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
94 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 ...
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1answer
70 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
14 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
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0answers
148 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
67 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
92 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
55 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
74 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
37 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
97 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
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1answer
55 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
228 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
72 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
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0answers
40 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 ...
0
votes
2answers
695 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
52 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
58 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
87 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
21 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
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2answers
46 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
56 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
150 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
57 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
70 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
29 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
69 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
107 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 ...
0
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0answers
20 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
183 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
313 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
53 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
32 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 ...
1
vote
1answer
72 views

How can I configure two mails for two different users in Ubuntu

I am struggling with configuring two mails for two different users in Ubuntu. Like if I login with User1 then whenever I use the command mail, it should send mail from user1@gmail.com. And when User2 ...
1
vote
3answers
51 views

Why not download KDE libraries?

I am installing an Ubuntu VM and wanted a good integrated development environment for C/C++. A simple Google search pointed me at this question that recommends Eclipse, KDevelop, and others. On the ...
1
vote
1answer
63 views

Auto-login using nodm and ecrpytfs on the home folder

I am trying to secure a Linux system to prevent offline access to the home directory (i.e. someone takes the HDD and mounts it on their system), which I've done with ecryptfs. I use nodm which boots ...
0
votes
2answers
98 views

UFW is blocking DNS

I am configuring the security in my server. For easier the manage at the firewall, I installed the UFW. I did some settings in the UFW and I allowed some ports. Therefor when I enabled it the DNS ...
1
vote
1answer
41 views

Create a deb package from difference between two images

I am maintaining an Ubuntu server image as a development environment with several deployments. If my base image changes - install a package, modify conf files, etc - I am manually patching the new ...
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0answers
113 views

Elementary OS dual sound output problem

Good afternoon guys. I recently installed Elementary OS on HP desktop-pc. Things appears to be working just fine, except that when I plug-in my headphones, I can still hear the sound coming from my ...
1
vote
1answer
62 views

Displaying server information at login prompt (Ubuntu)

I'm wondering if there's a way to customize the Ubuntu server login prompt. Currently it shows the following: Ubuntu 13.10 fw tty1 fw login: _ I know there's /etc/motd for the message of the day, ...
1
vote
1answer
43 views

Installing systemtap 2.3 on ubuntu precise

If I install systemtap using apt-get on ubuntu precise, I get systemtap 1.6. Building it from source is proving to be complicated as it requires kernel headers. Is there an easy way to install ...
2
votes
1answer
2k views

Ubuntu 14.04 hard drive partitioning help wanted

I'm in need of some assistance with manual partitioning from the Ubuntu 14.04 install GUI. I'm trying to do a fresh install of Ubuntu 14.04 desktop. I have a 60GB SSD as that I want all my OS files ...
2
votes
2answers
130 views

Why can't I create an LVM RAID1 or mirror volume?

I'm running Ubuntu 12.04 and have just added 2 new hard drives into my server. The idea being that I would create a volume group that would include them and create a bunch of logical volumes on them ...