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

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Can I safely apt get remove a kernel that I apt-get-install'ed?

I installed a pae kernel on my Ubuntu 12.04 32-bit box in order to try it (I thought I would add RAM to my computer which I finaly didn't). It automatically added an entry to grub's boot menu with ...
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290 views

Website hosted on my virtualbox web server not displaying images or applying css when viewed through phone

I would really appreciate it if someone could help me. Please let me know if you need more info in the comments. My Set Up I have a windows 7 pc. On it I run a virtual box VM with a ubuntu 12 guest ...
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2answers
3k views

How to route specific traffic through OpenVPN?

I'm running a server at home with rtorrent and apache2. I would like to route my rtorrent traffic via OpenVPN and since im kinda new to OpenVPN and iptables i would like to have a user friendly guide. ...
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1answer
332 views

I/O errors on pendrive - what may cause them? (maybe a bad sector)

When I use a pendrive with Ubuntu, it sometimes disconnects. I looked in syslog and I found I/O error, dev sdb, sector 31159048, so I suppose it's a bad sector. How can I fix it? Here's a full log of ...
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205 views

Strange error with ldconfig

I get such an error when I run ldconfig /sbin/ldconfig.real: Can't link /usr/lib//work/igloo/riff/loader_communication/build/liblcm.so.1 to liblcm.so.1 any suggestions ?
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2answers
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Install VirtualBox on Ubuntu 12.04.1 (on [Samsung] Chromebook)

I have dual booted Ubuntu Linux 12.04.1 LTS on my Samsung Series 5 ChromeBook, and am trying to run/install Oracle VirtualBox (from the generic .run file downloaded from their website). However, every ...
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1answer
124 views

How do I check if a process (Firefox) has quit?

I am using Ubuntu 12.04 64-bit, with all updates installed. I made a simple shell script that starts a SOCKS5 tunnel and launches Firefox (with correct network proxy settings) to use the tunnel. How ...
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91 views

Stream the contents of a text file that is being continuously written to.

So I have a python script which is executed by cron job on a nightly basis to capture data on my data server (Ubuntu 12.04 LTS), this data is being written to a text file. Is there a command to stream ...
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460 views

set up permanent ramdisk in ubuntu to not using ram when is the ramdisk empty

My laptop running Ubuntu 12.04 has 8GB RAM. I added following record to /etc/fstab tmpfs /media/ramdisk tmpfs defaults,noatime,mode=1777 0 0 What exactly does it mean? I have tested that I can ...
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967 views

Current sound configuration (integrated Realtek ALC662) on Ubuntu 12.04 plays everything as mono. How to fix it?

All music files play as mono on my Ubuntu 12.04 installation.System soundcard (integrated): nVidia MCP61 High Definition Audio (Realtek ALC662). Did anyone have the same problem? What's the solution? ...
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2answers
610 views

Cannot execute java command on Ubuntu

I am using Ubuntu 12.04, installed JDK and interestingly have the following error. Why do I have this error though java file exist in there? appuser@securexmlgw-db:~/Downloads/jdk1.7.0_04/bin$ ls ...
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1answer
232 views

How to pass Combining characters for custom keyboard layout in Ubuntu?

I was creating my custom keyboard layout(custom tamil keyboard layout) in Ubuntu 12.04 platform based on this post. I edited the file /usr/share/X11/xkb/symbols/in as specified in the post with my ...
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3answers
776 views

How to auto source a shell script?

How to make a shell script execute it's commands as source commands without having to use "source scriptname.sh" expression to launch the script? Basically what I want is to type ./scriptname.sh and ...
3
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1answer
3k views

sudo + x11 application does not work correctly

I couldn't get any program requiring x11 (e.g. gedit, nautilus) to work with sudo. Using gksudo would just fail silently, while on terminal I received the following error: sudo nautilus ** ...
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933 views

How to create a mirror (raid-1) of an already setup and running ubuntu 12.04 system?

I have a fully setup ubuntu 12.04 installed on a single drive and formatting it just to setup raid-1 is not an option Unlike other answers like this one: Ubuntu 12.04 - Add RAID 1 Array on existing ...
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1answer
169 views

fPIC: command not found

I'm installing lenstool on a 11.10 ubuntu computer. I already have installed it on my 12.04 laptop and , although after a lot of struggling, it worked. But this time I am getting a weird error. First ...
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135 views

Ubuntu 12.04 - Timemachine - Suddenly can't find disk

I have used my Ubuntu server as backup through my network with my Mac Book Pro Mountain Lion for a while. But suddenly it won't work. It sais it can't find the disk. Even though I can connect through ...
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Calibre /kindle problems

So why won't my 12.04 recognize the kindle via USB so the send to icon will pop up in Calibre. I can't get the books off the PC HD and onto the kindle. No problem with the USB cable, tested it ...
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168 views

Free Space not shown in partiton even after extending it through gparted

I have a Ubuntu machine running 12.04 LTS on it. I had a very small "/" partition at the beginning, say of 16 GB. Now i added a 50 GB to it which i split from another partition and added to the "/". ...
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1answer
485 views

Why is that when I have a device already mounted, I am unable to mount other devices in Linux?

I am running Ubuntu LTS 12.04 and I have mounted an ISO image to the /media directory. The command I used to mount is mount -t iso9660 -o loop,ro name_of_iso.iso /media. Am I correct to refer to it ...
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1k views

How can I install ssh on Ubuntu 12 without internet

I need to install ssh offline on a computer which doesn't have the internet. Is there any package to do it or i need prepare one? How can I prepare? OS is Ubuntu 12
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723 views

Push entire account from one IMAP server to another IMAP server

My institution recently reshuffled our email accounts. I'm forced to shift years worth of carefully currated email (= more chaos than a 3 year old's birthday party) from IMAP account_old to IMAP ...
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405 views

Why does BIOS runs really slow sometimes?

Sometimes, the BIOS runs really slow on my Dell Vostro 1550 computer (10 seconds). When I go to the BIOS setup and switch to a different tab, the new tab shows up slowly. My OS (Kubuntu) runs normally ...
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Is my install 32 or 64bit? [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems Is my install 32 or 64bit? I'm trying to find out if my Ubuntu install is 32 or 64bit. Whats the best way of finding out if the Ubuntu ...
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Xlib: extension “GLX” missing on display “:0.0”. Error: couldn't find RGB GLX visual or fbconfig

I'm really confused and lost. I'm a completely new Ubuntu 12.04 LTS user and I'm trying to run a game on WIne and OpenGL. I was instructed to use the glxinfo command on my terminal to see if I had ...
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51 views

Seemingly inconsistent output from `top` re: Swap header vs. SWAP column

How should I interpret this seemingly inconsistent output from top re: swap? Running free confirms that no swap space is in use: $ free -m total used free shared ...
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2answers
2k views

Problems with apt-get(unmet dependencies)

I am using Ubuntu Desktop 12.04(64 bit). I have downloaded skype from the official website and opened the deb package from the terminal(sudo dpkg -i skype-ubuntu-precise_4.1.0.20-1_i386.deb) but ...
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1k views

Unicode Composition in Sublime Text

I'm not able to use unicode composition (The ctrl+shift+u method) to enter unicode characters in Sublime Text 2 (v2.0.1, Build 2217) on Ubuntu 12.04 (Unity). To reproduce, just open up a tab and do ...
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Ubuntu 12.04: ATI Mobility Radeon X1300 drivers

I am new to linux. I would like my machine to make full use (perfomance wise) of the x1300, but I am not sure how/and which drivers to install. Doing lspci -nn | grep VGA gives me: 01:00.0 VGA ...
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367 views

Safely forking a low-privileged child process with su vs. sudo

I am trying to run Node.js as an unprivileged user (dmitry in this case). Hoping someone can confirm or, as necessary, please elaborate upon what I'm seeing below.: Using Ubuntu 12.04 and upstart, I ...
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How to enable both ethernet interfaces at Ubuntu 12.04

I have a machine with two ethernet cards and internet connection, on which Ubuntu 12.04 is installed. Both ethernet cards can take ip adress automatically say, eth0:47.168.137.14 and ...
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1answer
705 views

KVM machine does not start ssh, network is started, used to work

have been searching an pulling my hear out for the last 6 hours. I have a virtual machine that has been running fine for the last six months. I was happy ssh'ing into it and it was running a database ...
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2answers
1k views

Dual Booting - Ubuntu Installer doesn't recognize Windows 7 or find partitions

I have a new HP Pavilion HPE h9-1130 Phoenix Desktop with Windows 7 64-bit pre-installed. I would like to dual boot with the latest stable release of Ubuntu, version 12.04.1 LTS. I followed the steps ...
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Slower wireless speed in Ubuntu 12.04 (64-bit) on Asus USB-N13

I have an Asus USB-N13 which I use for wireless internet on my desktop. The download speed I get on Windows 7 (dual-boot) is 15.22 Mbps. On Ubuntu 12.04 (64-bit) I can only get 1.09 Mbps. I asked a ...
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230 views

Force apt-get update to return success

I'm working with a system that invokes apt-get update from a Ruby Capistrano recipe. Capistrano cares (apparently) about the return code of the shell commands it executes. apt-get update is running ...
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Cant Mount NTFS hdd on ubuntu server

i am trying to mount my NTFS 1.5TB hdd to my ubuntu server running version 12 I use this command mount -t ntfs-3g /dev/sdb1 /dummy The error i get is this: Mount is denied because the NTFS volume ...
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256 views

In Ubuntu 12.04.1 LTS is it safe to ignore the existence of “root”?

I'm not sure I'm even asking the question right, but basically what I'm wondering is whether it is safe to go about using the user that the install wizard had me create, and disregard the existence of ...
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4answers
100 views

Access Existing Linux Installation from Windows Bootloader - Linux Installed and Then Windows 7

My hard drive is failing. I installed a new drive, and the installed Ubuntu 12.04 to try to rescue data. Realized that I wanted to install Windows and just access drives without transferring data ...
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485 views

How to Increase Scrollbar Width in Ubuntu

I'm trying to figure out a hack that will allow me to increase the default scroll-bar-width in Ubuntu for Firefox and numerous other applications: https://bugs.launchpad.net/compiz/+bug/1078681 ...
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Automounting SD card when inserted in Ubuntu

I am trying to write a BASH script that automounts an SD card once it is inserted in the card reader, then move all pictures to a folder in the HDD and renaming each file to the date and time the ...
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1answer
1k views

VMware Fusion Ubuntu 12.04 LTS Server - Soft Lockup CPU Stuck

I have a strange Stuck Problem with VMware Fusion and Ubuntu 12.04 as Guest System. On High Loaded process the System sticks with "Soft Lockup CPU Stuck" and I have to reboot the VM. The Same System ...
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2answers
881 views

Custom Icon for NFS Volume Mount - Possible for OSX?

We are naming our various network volumes after Planets! I renamed the Mercury.icns icon, to .VolumeIcon.icns and copied it over to the mount point folder of the NFS server. So far remounting the ...
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697 views

Ubuntu 12.04: Errors in sudo apt-get update

I've been getting this reoccurring error whenever I "sudo apt-get update" on Ubuntu 12.04 W: GPG error: http://repository.spotify.com stable InRelease: The following signatures couldn't be verified ...
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602 views

Screen goes grey in Remote Desktop Connection from windows 7 to ubuntu server

I recently got a 64 bit ubuntu server based on Ubuntu Desktop 12.04 "Precise Pangolin". However I can't seem to connect to it properly from my windows 7 64 bit machine. I can get to the login screen ...
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463 views

Installing Windows 8 over Windows 7 with Ubuntu installed using wubi (both on `C:\`)

Current state I'm using both - Ubuntu (installed via Wubi on the same drive as Windows) and Windows 7 - quite frequently. I just bought the upgrade to Windows 8 and was curious to try it out, however ...
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442 views

Initializing Disk on Linux Machine via SSH using Ubuntu 12.04.1

This is the reference I used but Ubuntu has slight difference in details. http://www.windowsazure.com/en-us/manage/linux/tutorials/virtual-machine-from-gallery/ I am using Ubuntu 12.04.1 and trying ...
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1answer
3k views

Can't start MySQL5.5 on Ubuntu 12.04 - “dpkg: dependency problems”

This appears to be a common problem on 12.04. I've tried everthing in this thread including: sudo apt-get clean sudo apt-get autoclean sudo apt-get remove --purge mysql-client-5.5 ...
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2answers
988 views

Add color palette for Sakura terminal

How can add my own color palette in Sakura terminal? I use Ubuntu 12.04, and in options menu, I see only tango, Linux, xterm and rxvt palettes available.
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2k views

How to depend on an upstart job from an init script on Ubuntu 12.04

I am using Ubuntu 12.04 LTS and this system uses primarily upstart jobs. Unfortunately my system also depends on a manually compiled dbmail server, which only has a init script, but no upstart script. ...
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Sencha command not found in Ubuntu

I want to create a project using Sencha touch. My OS is Ubuntu. I installed Sencha in Ubuntu, downloaded sencha-touch-2.1.0-gpl and extracted it. I followed instructions in the documentation using ...