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

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rTorrent watch directory not working

I am having trouble getting watch directories to work in rTorrent. I have this in my .rtorrent.rc file: schedule = watch_directory,5,5,"load_start=/home/rtorrent/watch/*.torrent" schedule = ...
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105 views

Mac OS as host, Ubuntu 12.04 (64bit) guest as dual-boot on VirtualBox

I have an Ubuntu installation on a partition on my Mac and I would like to boot Ubuntu from within Mac OS X using VirtualBox. When I want to start the machine I only get Error loading operating ...
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1answer
662 views

increase /home size from root folder

The following is my partition in linux (ubuntu) Filesystem Size Used Avail Use% Mounted on /dev/sda7 42G 11G 29G 29% / udev 2.0G 4.0K 2.0G 1% /dev tmpfs ...
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123 views

History for this remote command => ssh username@xxx.xxx.xxx.xxx “echo foo”

2 Questions In the following command, does echo foo get logged anywhere on an Ubuntu server? # remote server us running Ubuntu 12.04 $ ssh ...
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1answer
620 views

Why am I getting permission denied (publickey) after chmod 600?

I got @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: UNPROTECTED PRIVATE KEY FILE! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ Permissions ...
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94 views

Should I throttle my Ubuntu server that is on my home network?

I have just set up one of my old computers to be a web-server with Ubuntu 12.04.3. I was thinking that i should probably throttle/limit the bandwidth/speeds over ssh/ftp in order to not murder my ...
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119 views

SWF file from website crashes computer on Ubuntu 12.04.3 LTS but not Win 8

If I visit the website (with Firefox 26.0 or Chrome) http://betway.com/sports-betting then on Ubuntu 12.04.3 LTS (on a brand new Lenovo S540, Haswell i7, 8Gb RAM, 10gb linux swap-drive), and use ...
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155 views

Ubuntu stuck in low graphics mode

After I used my Ubuntu 12.04 connected to a LCD projector, I get a notification about low graphics mode and I can't find the login screen. This happens even after restart. I've tried various ways ...
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1answer
583 views

Kali/Ubuntu doesn't detect windows partition

I am trying to dual boot Windows 7 with Ubuntu or Kali Linux but i am unable to do so. I have backed up all my data to an external hard drive. So it is safe to work with partitioning. I have a 500 ...
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38 views

Corrupt display when upgrading Ubuntu 12.04 to 12.04.3

I'm using Vagrant to install the precise64 box (Ubuntu 12.04), then running apt-get update and apt-get -y upgrade near the start of the provisioning to upgrade it to 12.04.3 When aptitude is set up ...
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4answers
135 views

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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558 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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220 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
47 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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53 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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79 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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438 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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4k 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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164 views

phantomjs shell_exec from PHP doesn't work, terminal works fine

I can run the phantomjs command just fine from terminal, but from shell_exec, it only partially works. It's running phantomjs and the .js file, but it's returning page rendered without actually ...
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234 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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18 views

Connecting to custom-colour ubuntu shells from OSX Terminal

I wish to somehow distinguish between different ubuntu servers we have when connecting from various OSX systems. It would be good to set the shell prompt or background colour server-side. Is this ...
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2answers
753 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
677 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
118 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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182 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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34 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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358 views

Set up a sub domain on a Nginx server Ubuntu 12.04

I am trying to learn as I go: I have set up Nginx server on my Ubuntu 12.04 Droplet on a Digital Ocean account. I have successfully pointed my domain (registered @ godaddy) to my droplet (I can see ...
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49 views

Cloning one server to another

I have heard the term "replication" among database usage where you clone one database into another allowing them to be synced. However is there a way to effectively make this happen in server ...
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159 views

Permission denied to mounted NFS

How do you grant read/write access to a mounted NFS filesystem on a remote server? The user I want to have access has UID=1000 and GID=1000, so I tried mounting with: sudo mount -t nfs -o ...
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135 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
115 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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226 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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55 views

How to watch ALL Youtube videos fullscreen

There are some youtube videos which I can view full screen such as: http://www.youtube.com/watch?v=Qt1WVeyMqdo There are also some videos which I cannot view full screen (it does not fill the screen) ...
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2answers
234 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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37 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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234 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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994 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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108 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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364 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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100 views

Can't Reinstall Grub on Ubuntu Server 12.04

The bootloader seems to exist only on the flash drive (/dev/sdb in my system). I've been looking at posts on superuser, but none on them seem to be working. Computer (Zotac ZBox) will not boot ...
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193 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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414 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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212 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
34 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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85 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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199 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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381 views

How to use Hardware RAID in Ubuntu Server

I have an Adaptec RAID-Controller and created an RAID-1(Mirroring) succesfully. Now I have installed Ubuntu Server 12.04.3. When I type fdisk -l I get this output: bf@fileserver:~$ sudo fdisk -l ...
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178 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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37 views

How does one adjust cmus' volume properly?

I'm using cmus 2.4.3 on Lubuntu 12. Even when I turn down the volume to 0, it's still too loud. How can I fix this?
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179 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) ...