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

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Samba netbios aliases throw an inexplicable usershare error

I am trying to set up netbios aliases in Samba on Ubuntu 12.04 LTS (2:3.6.3-2ubuntu2). My primary share (not on the aliases) work fine. The shares on the aliases can be listed but fail when ...
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96 views

Where are the docs for solid-pop3?

I'm trying to install solid-pop3d on an Ubuntu server, but I am having a very hard time finding anything online by way of documentation. I've heard that the project is very active, yet there does not ...
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135 views

How to interpret state and log files written by preload program in Linux?

Preload is a program which prefetches files from the disk needed by various applications to reduce application startup time. It seems to be very popular and useful (just google preload+linux) but the ...
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377 views

Unbuntu, Hyper-V, and Remote Desktop: strange behavior

This question got kicked off of stackoverflow, and they suggested I might have better luck here. I'm trying to learn Ruby on Rails and fighting with the environment is proving to be a challenge. ...
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1answer
345 views

Grub Customizer Crashes, reset Grub settings

I have a problem with Grub Customizer, I installed it and re-installed it, but every time I run it, it crushes before I can do anything. The thing is my Grub 2 Bootloader now is full with previous ...
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1answer
455 views

Why “php x.php &” leads to a STOPPED background process

x.php: <?php sleep(15); ?> console: $ php x.php & [1] 5742 [1]+ Stopped x.php Result: a "STOPPED" process - it's there forever until I send a TERM and then CONT ...
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1answer
52 views

All the terminal programms close after one second

All the terminal programms like Terminal, xterm and Guake-Terminal close after one second. The error happens after i changed the /.bashrc with exec somescript.py. Can you tell me how to solve this ...
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87 views

Files not being written to USB Disk

I bought a USB MP3 player, but I'm having some problems with it. After I put my files on it and then safely remove it, they seem to become corrupted. I'm currently trying with music files, and only a ...
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1answer
1k views

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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1answer
3k 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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188 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
4k views

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

I got @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: UNPROTECTED PRIVATE KEY FILE! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ Permissions ...
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126 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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170 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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1answer
1k 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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4answers
446 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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721 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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927 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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74 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
104 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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99 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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2k 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
10k 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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1answer
456 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
909 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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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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229 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
379 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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42 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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398 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
453 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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385 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
772 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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65 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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320 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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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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232 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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615 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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446 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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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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383 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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45 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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175 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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560 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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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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435 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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751 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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236 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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4k 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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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 ...