Ubuntu 12.04 (aka Precise Pangolin), is the sixteenth release(version) of Ubuntu from Canonical.

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How to diagnose why a computer is running so slow? [closed]

Generally, what are some ways to diagnose why a computer is running so slow? To find out whether it is because of insufficient memory, busy CPU, or some other reasons? What are some distinct symptoms ...
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1answer
675 views

ubuntu 12.04.3 LTS grub error

I downloaded the .iso file for ubuntu desktop 12.04.3 from the official download page of ubuntu. I am using a 64bit system with the following specs: -Intel i7 3610QM - 1TB HDD - 8gb ram - asus ...
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1answer
559 views

Ubuntu 12.04 Desktop package installed, but can't launch “gnome-terminal”, “cannot open display”

I have install ubuntu desktop packages on a 12.04 LTS server. X server comes up fine, GUI works fine without any issues. However, when I tried to issue a terminal, I get "Cannot open display", I find ...
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1answer
61 views

kate's “open file” doesn't show all files

when I go to open a file from kate (in ubuntu), it doesn't show me all the files in the current directory. what's more, it shows me some files that aren't in the current directory. only when I ...
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1answer
67 views

Can't access Ubuntu or Windows after shut down the Ubuntu

I'm using Ubuntu 12.04 LTS and Windows 7 as partition. I was using ubuntu for some time and tried to shut down. But it doesn't shown shut down dialog box. So I again tried to shut down from top right ...
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2answers
94 views

Pages on server can be accessed but server cant connect to internet?

I have a virtualbox server running ubuntu 12.04 on a windows 7 host machine. The machine is set up to have both a NAT and a bridged adapter. When I access the server from other machines (port ...
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2answers
1k views

HP Pavillion 6 notebook series boot menu option is not working

I am not getting boot option even after pressing esc key repeatedly during start up. I start my notebook starting pressing esc key to get boot option but instead it boot from hard drive and windows 8 ...
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3answers
8k views

Wired Connection Suddenly stopped working on ubuntu 12.04 after update

Here is the thing! am on day 5 of no wired internet connection. I have spent the last 4 days searching through every forum and Q&A sites, until i finally decided to post this, so I have done my ...
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0answers
321 views

Ubuntu PPA for collectd?

I'm looking for a semi-official PPA for recent versions of collectd (5.2+). There appear to be several possible matches, but I'm hoping to find the "right" one for production use which will keep ...
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2answers
822 views

Cannot boot to Windows 8.1 after installing Ubuntu 12.04.3

I installed Ubuntu version 12.04.3 on my desktop and after that I cannot boot Windows. The computer has two hard disks (one is 2TB, one is 1TB). Before I installed Ubuntu, I have Windows 8.1 installed ...
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1answer
1k views

Ubuntu will not boot after upgrade

I upgraded from 10.24 to the next version and now during boot I see the Ubuntu screen briefly but after that the screen goes black. I can get to the recovery mode but I don't know what to do. I know ...
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1answer
161 views

How to Delete Multiple Files Inside Multiple Zip Files?

Currently I am doing the following command to delete a file inside a zip file on my server: zip -d file.zip .exe But I have so many zip file that needs to delete all files with an .exe file ...
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1answer
265 views

Error: tasksel install lamp-server

I'm having trouble using tasksel to install lamp-server on ubuntu 12.04. Here's the error: Can't call method "set" on an undefined value at /usr/share/perl5/Debconf/FrontEnd.pm line 126, <GEN0> ...
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0answers
40 views

Facing a Ubuntu System error

I have a Ubuntu 12.04 installed system.Everything was working well all this while until I have been facing serious errors.Firstly the System sets up quiet slowly after I log in. Secondly the default ...
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1answer
255 views

Hide exim4 version from email headers

I've setup exim4 on a ubuntu 12.04 server. When an email is sent, the current "Received" header has the following content: Received: from user by example.com with local (Exim 4.76) (envelope-from ...
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2answers
283 views

Why is my recursive grep not working?

I am in a parent directory and want to search for any ODT files (LibreOffice Writer) that contain the phrase "GWT" in them. I'm on Ubuntu 12.04 desktop. From the terminal: ...
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1answer
327 views

Ubuntu 12.04 64-bit guest on Windows 7 32-bit host is really slow

I have Windows 7 32-bit professional as host OS. Ubuntu 12.04 32-bit runs really fast as a guest, but Ubuntu 12.04 64-bit is very slow. I did apply all the patches, installed guest addons and enabled ...
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2answers
541 views

How to boot windows after uninstalling ubuntu?

I am using windows 8 system and I tried to install ubuntu by making a separate partion. But after deleting the partitions created for Ubuntu, it is still trying to load ubuntu and not windows. If I ...
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2answers
51 views

Konsole Colour Scheme

I use konsole 2.8.5 on Ubuntu 12.04 32-bit. I wish to make some changes to the colour scheme. I would like to see the text before the $ symbol in a different colour, other than the regular text ...
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2answers
283 views

How do I access phpmyadmin?

I get a 403 Forbidden when I try to access my phpmyadmin. I installed it from the repository and choosed apache2 in the installation progress. The symlink phpmyadmin.conf in conf.d to apache.conf in ...
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0answers
2k views

USB flash drive is not detected in Ubuntu 12.04

I have 15GB Kingston flash drive. It is not detected in Ubuntu 12.04 and remains hung up in Windows too. sudo fdisk -l output: WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The ...
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0answers
167 views

Ubuntu FTP Server - Hetzner

I have an FTP Backup Server in Hetzner with details Backup Server: u*****.your-backup.de I am trying to connect to it through my ubuntu server using command $ ftp u*****.your-backup.de and i see ...
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1answer
496 views

UFW: block all traffic for port 3306

How can I block all traffic for just one port? Take the following situation: Ubuntu Desktop VM Browser has access to internet (port 80 stays open) Ubuntu update services work normally (may not be ...
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0answers
346 views

Editing Kernel configuration file

I'm trying to compile uplcom driver for Ubuntu 12.04 for USB support of PL-2303HX serial adaptor using the following link. http://manpages.ubuntu.com/manpages/jaunty/man4/uplcom.4freebsd.html But, ...
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1answer
895 views

ActiveMQ on Ubuntu 12.04 reports “not running” but it is running and listening to it's port… why could that be?

I installed ActiveMQ on Ubuntu using the command sudo apt-get install activemq which seemed to work fine. Then, I activated a configuration by copying the sample configuration provided with the ...
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288 views

Every time I ping one of my Ubuntu VMs from another VM I get a different IP resolved.. how could this be?

Every time I ping one of my VMs from another VM by hostname I get a different IP address resolved for it... Both VMs are Ubuntu 12.04 running on VMware Workstation 10. All VMs are running with ...
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1answer
39 views

SED basic substitutoin is not working

I am on ubuntu 12.04. Following expression: echo abcd123 | sed 's/\([a-z]*\).*/\1/' is supposed to get result as "abcd". But I am getting "abcd123". WHY?? Using following site as SED tutorial: ...
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1answer
121 views

Adding a complicated launcher to the “Open With” list in Ubuntu

I have a complicated shortcut/launcher that I would like to put in the Open With list. The shortcut uses the command screen -d -m bash -c "screen;source /home/me/intel/bin/compilervars.sh ...
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0answers
380 views

New OS and WebCam black and white only?

I have a Lenovo ThinkPad Edge E520 (1143) which I bought without an operating system. Back then I installed Windows Vista and then Ubuntu...I don't remember exactly in which OS I did it, but I changed ...
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1answer
202 views

How do you start multiple node.js apps using forever and upstart?

I'm managing multiple node.js processes using forever, and I need them to start at boot time. I think that upstart should be used for that, but I'm not sure whether I should create one init script per ...
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0answers
302 views

How to Create a Filesystem on Dynamic-sized Virtual Drive - VirtualBox on Windows 7 Host, Ubuntu Guest

Moved here from StackOverflow I made my VirtualBox (4.3.0) Ubuntu VM (on Win 7 host) too small. I have the choice of enlarging the virtual disk (all I read makes that sound dangerous and complicated) ...
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703 views

Problems in detecting pendrive

I have this problems when I insert my pendrive. It is very slow in detecting it (3.0 and 2.0 port). I'm using uBuntu 12.04.3 x64. It requires me to wait for minutes to finally detect it. Is there any ...
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1answer
145 views

When HDD becomes full, how to create a symbolic link to the data store on another disk?

I have a Linux Ubuntu machine which has an X GB hard disk. There is folder, say, /opt/software/data. The disk /dev/sda1 is almost full and I have attached another disk at /dev/sda2 which is mounted at ...
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4answers
2k views

localhost as hostname confusion

I have a basic understanding about hostname and FQDN. Now I am confused, do I really have to specify a name for my hostname? So for example: Hostname: somename Domain: mydomain.com FQDN: ...
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2answers
11k views

how to burn a windows.iso to my USB flashdrive in ubuntu 12.04 LTS

I am using a Dual boot system with windows 7 and Ubuntu 12.04 LTS. My windows recently crashed with the error "BOOTMGR CANNOT LOAD IMAGE CORRUPT" after i installed a mac theme. So now i downloaded ...
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1answer
290 views

How to ssh between a cluster of Vagrant guest VMs

I have 3 Ubuntu 12.04 VMs configured with bridged networking and setup with Vagrant. I can access all of them from the host using "vagrant ssh", but I can't figure out how I connect from one guest VM ...
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0answers
513 views

Vagrant does not assign correct gateway

I have created with Vagrant a brand new VM running Ubuntu 12.04 Since I need to access the VM always at the same IP address I have assigned to it a MAC address and set my DHCP in order to assign the ...
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1answer
119 views

What are the supported wifi dongles for Ubuntu Precise?

I've been searching for a long time and just get led in confusing directions. Where is a list of support WIFI USB dongles for Ubuntu 12.04 on the Beaglebone Black. I've ordered 2 already and can't ...
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38 views

Configuring Ubuntu 12.04 so that it recognizes the recently installed icc compiler

I have an Ubuntu 12.04. I installed the icc compiler (composer_xe_2013_sp1.0.080) but when I try to compile using it I get the message : icc : command not found. I've read somewhere that when you ...
33
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8answers
92k views

Why Virtual Box won't give me option to create 64 bits guests?

My host is x64 bits Windows 8.1. I downloaded the latest Virtual Box (4.3) and I'm trying to create a VM with a 64 bits Ubuntu OS (ubuntu-12.04.3-desktop-amd64). When I go to New VM wizard, it ...
3
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1answer
784 views

dropboxd Syntax error: “)” unexpected

I am trying to install dropbox(x86_64 version) on Ubuntu 12.04 LTS, with this installation guide: ...
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1answer
135 views

many doubts related to the ldconfig command?

I am pretty new in Linux and I have some doubt related to this operation that I have found into a bash script on which I am working: ldconfig -v >> /dev/null 2>&1 Reading on the man ...
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2answers
215 views

some doubts about chown command in linux?

I am pretty new in Linux and I have a doubt related to the use of the chown command use. If I have something like this: chown -R root:root /usr/share/MyApplicationDirectory What exactly mean? I ...
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0answers
136 views

Virtual Box - ubuntu 12.04 -Shared Folders - Host Guest - Ubuntu

I'm using the Ubuntu. I'm using the virtual box. Where the Guest is Ubuntu and the Host is also Ubuntu and I want to share the folders in them. I can do it in Windows OS normally either it as the ...
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1answer
36 views

Can't boot either ubuntu or windows 8

I have dual boot installation of windows 8 and ubuntu. "Sometimes" when I start my laptop, it gets stuck on very first screen (displaying Samsung, Intel, F2 to setup etc). But after a couple of ...
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1answer
259 views

Connect two VirtualBox VMs with a hardware machine with a single public IP

I have a hardware machine running Ubuntu 12.04 and a Selenium server hub connected to the internet through a public IP. On that machine I'm running two VirtualBox VMs running Selenium server nodes and ...
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2answers
4k views

VirtualBox with Ubuntu Server guest can't ping outside

Here's my situation: an Ubuntu 12.04 Host running VirtualBox; two guest VMs running Ubuntu Server 12.04 home network, so my Host pc has a wireless connection to the router of my ISP. My problem is ...
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0answers
391 views

Ubuntu 12.04 on VMware Player loses network configuration

I've been having this issue for 2 weeks now with my VMware Player-hosted Ubuntu 12.04. I only use it for my LAMP stack. I've had no issues with it before until about 2 weeks ago when it almost always ...
2
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1answer
425 views

Compose key confusion concerning 'ç' and 'ć'

I type in both French and Polish and therefore require both the 'ç' and 'ć' characters to be easy to enter. According to compose key documentation I find on the Internet, for example at ...
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0answers
301 views

Ubuntu Chrome I cannot resize window

I am using Chrome v. 30 with Ubuntu 12.04 LTS and I've been trying to resize a tab so that I can have two windows open side by side. But there are no maximize minimize buttons or menu item. How do I ...