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

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Make Ubuntu 12.04 to remember its last session

When I login to ubuntu 12.04 it should run all applications automatically which I have run during the last login. In 10.04 version there was an option for this. In the latest version how to do this?
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Ubuntu: perl: undefined symbol: PL_perl_destruct_level

Recently, I tried to crosscompile Perl on my Ubuntu system but made a mistake. The finished binary was installed on my productive system besides the already present perl version. Ever since I get the ...
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PS3 Media Server on Ubuntu Server

I'm very excited to have installed PS3MS on Ubuntu Server following these guides http://irrationale.com/2010/06/30/ps3-media-server-on-ubuntu-10-04/ But when I play WMV files, I receive this error ...
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How to upgrade Ubuntu 9.10 to 12.04 without causing problems for 10.04, my main distro version?

I have a laptop with a dual boot setup with Ubuntu 10.04 as my primary distro and 9.10 as the secondary distro. I want to upgrade 9.10 to 12.04 and keep 10.04 as is. Eventually I might want 12.04 ...
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14 views

Unable to access newly created software RAID array in Ubuntu Desktop

please assist me with the following problem. I already have an Ubuntu Desktop 12.04 box into which I have added 2 500GB drives in the hopes of wring them up in a RAID-1 configuration for simple ...
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29 views

Install windows7 and ubuntu 14.04 on a computer which already has windows and ubuntu 12.04 installed

I have installed windows 7 and ubuntu 12.04 in 2 separate partitions in my machine and I can access both using the GRUB. Now I want to re-install windows 7 and ubuntu 14.04 to my machine. What is the ...
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51 views

Connect to VPN when `wicd` delivers the internet

wicd and nmcli conflict, so how can I get onto a VPN if not through nmcli con up?
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15 views

Ubuntu 12.04 unable to install gfortran

I am trying to install gfortran from the terminal, but I get this error E: The package libc6 needs to be reinstalled But I can't find an archive for it. Also, the Ubuntu software center pops up and ...
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18 views

nm-applet thinks I'm offline

I got on wireless with wicd-curses, but nm-applet thinks I'm disconnected. What I'm really trying to do is get on my VPN, and I usually do this through nm-applet. It doesn't want to let me on VPN ...
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20 views

How to keep a youtube playlist going with the screen locked on Ubuntu 12.04?

If I lock the screen (not suspend), YouTube pauses automatically at the moment and I'd rather it didn't.
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23 views

Jenkins slave and ccache

My jenkins connects to its slave (ubuntu) via ssh. I followed all possible instructions on installing ccache on the slave, I put "export USE_CCACHE=1" in every possible place, I have linked compilers ...
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39 views

Issues with git on Hyper-V Vagrant box

I am running Ubuntu 12.04 on a Hyper-V box with Vagrant on Windows 8.1. I can git clone all of my smaller repositories from BitBucket and Github, but I have a repository that is decent sized (>10MB) ...
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254 views

How to run update-initramfs from bootable usb?

My computer froze during an upgrade from ubuntu 12.04 to 14.04. This resulted in a kernel panic upon reboot. "/sbin/init: relocation error: /lib/i386-linux-gnu/librt.so.1: symbol__clock_nanosleep, ...
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132 views

ansible playbook handlers not starting nginx service through notify statement even when changed is true

I've started trying to learn how to use Ansible. I'm following an Ansible Tutorial from Servers for Hackers, and I'm trying out the examples on a VirtualBox virtual machine running Ubuntu 12.04.5 LTS ...
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41 views

Setup multi node cluster in ubuntu 12.04 using Cloudera?

I setup five virtual machines (Ubuntu 12.04 LTS ) using Virtual box, then I configured ssh password less authentications from master system to all slave systems. I have installed Cloudera CDH 5.3 in ...
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40 views

fetchmail, mutt : fetch recent emails

I am using mutt with fetchmail and it works, but each time I start fetching mail with !fetchmail It downloads some ~300 emails from the oldest ones: How can I instruct it to fetch, for example, ...
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84 views

Someone is uploading stuff from my pc

I am getting very slow Internet experience. In vnstat I see rx: 4 kbit/s 3 p/s tx: 94.74 Mbit/s 14072 p/s^C eth4 / traffic statistics rx ...
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16 views

How to set ownership/permission of PHP site that accessible by the user AND the apache user

I'm having problems with my PHP projects within /var/www set on permission www-data:www-data. My user can't write to these directories. I've added myself to www-data group and have added chmod -R ...
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71 views

Can not login through “ubuntu” option but can login through “ubuntu 2D” option

My system is Ubuntu 12.04 LTS. Since updated, every time I input the right username and password and hit enter using Ubuntu entrance, I got bounced back to the log screen. But other entrances are ...
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WARNING: gnome-keyring:: couldn't connect to: /tmp/user/1001/keyring-Zk1QcF/pkcs11: No such file or directory

I've looked at several of the gnome-keyring-daemon answers and couldn't figure out how to relate any of them to my problem. Whenever I run certain programs (say mutt), I get the above error when I ...
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34 views

Edubuntu stuck on installation

I've had this problem using multiple discs on multiple drives on this one computer. I'm trying to install edubuntu 12.04 on an old desktop. It boots to the disk, I select english and then "install ...
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375 views

“No space left on device” when writing to NTFS on Ubuntu

I'm on Ubuntu 12.04 and want to backup data to my external hard drive which is NTFS. When running cp -rp or rsync, I get no space left errors like this: `rsync: mkstemp "/media/Expansion ...
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88 views

Ubuntu-Rescue Remix Does Not See Hard Drive

I am trying to copy over data using the Ubuntu-Rescue Remix bootable cd but this cd does not see my hard drive! What can I do so that the URR is able to see my hard drive and I can save my data? I ...
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Ubuntu 12.04 can't log into graphical user interface

Somehow when I update packages, I lost the graphics driver installed in my system, and it now only logs me into tty1. when I press Ctrl + Alt + F7 the cursor blinks at the top of my screen and nothing ...
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49 views

Computer slow after plugged into wrong voltage

So I set up a desktop computer running ubuntu in a classroom that was running through an AVR at 220 volts. I got a report that it wasn't working, so I came to look at it, and sure enough, fans and ...
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How to Install Windows OS if Already have Ubuntu 12.04 Installed [duplicate]

I have purchased a dell laptop with Ubuntu Linux 12.04 installed in it, and I want to install Windows Operating System on Ubuntu and have dual booting. That is, to install the Windows OS in the ...
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127 views

VLC MMS video via network - stutters

I'm using VLC to play a MMS video (1.5X speed) that is streamed from a "members only" website. The video works great except that it hangs/stutters every few seconds. So I increased the following ...
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29 views

How to reinitialize processor for /sys in Linux

I have upgraded my laptop from Intel Pentium P6100 to Core i5-460M. i5 supports Turbo Boost. To switch this on/off I need to do: echo 0 or 1 > /sys/devices/system/cpu/cpufreq/boost But my System ...
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131 views

how to monitor network/cpu/memory/disk usage by each Rails app

I run many Rails app on linode VPS I want to charge my customers by their usage, Is there anyway to monitor each Rails app's usage ? I need these information network/cpu/memory/disk usage Any ...
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Postfix SMTP SSL config: Can't send email but can receive it with SSL

I am trying to finish configuring my postfix/dovecot mail server that sits behind my home's router/firewall. I'm on Mint/Ubuntu 12.04. I'm close. I can connect/retrieve emails via SSL but can only ...
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27 views

I want to start VM for specific time

I am designing a system in which lot of VMs are there which run on KVM. My physical resources are limited, that is why I want to allow some of the VMs to run for some specific time(say Every Wednesday ...
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45 views

shifting between windows in byobu corrupts putty scrollback

I use byobu-screen through putty. when i use multiple windows and shift between them. the scroll back buffer of these windows gets intermixed, losing the whole purpose of scrollback. I dont want to ...
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196 views

Enable OpenGL on Ubuntu 12.04 LTS

I'm running Trisquel Mini 6.0.1, which is based on the repos for Ubuntu 12.04 on a netbook. I have a lightweight game that I'm trying to run written for the love interpreter, but it fails to ...
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How do I install a driver from a usb on 12.04 ubunu?

I have a Dell Lattitude e6400 with ubuntu 12.04 and I downloaded a driver for my Broadcom wifi it is on my usb drive and I also put it on my desktop...how would I install it from either source (the ...
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163 views

Wrong apache configuration. Perl scripts cannot execute

I've got wrong apache configuration. My script don't want to be executed and browser trying to download it as a file. <VirtualHost *:80> ServerAdmin webmaster@localhost ServerName president.com ...
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25 views

Change the DNS servers whilst retaining dynamic IP for Ubuntu 12.04 LTS

The example below requires the end point device has a static IP address using the file /etc/network/interfaces What if there was a need to continue using dynamic IP addresses but static name ...
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Unable to find PORT name in ubuntu 12.04

I am writing a code for serial programming in ubuntu 12.04. I have connected a usb to serial converter with my usb port. Now I want to know On which port I have connected my usb ( for example COM12 ...
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Trying to upgrade Ubuntu 12.04 LTS to 14.04 LTS inside Virtualbox results in a divide by 0 error

Attempting to upgrade a 12.04 LTS guest on a Windows 8.1 host results in the following error. Is there a workaround? This is on Virtualbox 4.3.14, the newest release. This error is very strange, ...
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81 views

USB drive stopped working

My USB pen drive (A-data UE700 64GB) suddenly stopped working. I tested it on few PCs (every one with Linux) and it doesn't work on any of them. The device isn't even mounted. It used to work alright ...
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131 views

ldap_bind: Confidentiality required (13)

I want to configure ldap with ssl so I used openssl for certificate and when I enable olcSecurity tls=1 in /etc/ldap/slapd.d/cn=config.ldif and now when I try to use ldapsearch or try to login it ...
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mouse button #7 not detected by Linux

Under Ubuntu 12.04, the command xev sees all 9 buttons of my mouse, except for n.7, i.e. scroll right. Is there a way to fix this? I don't think it's related to xorg.conf
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Ubuntu Samba Windows LogIn Failed to retrieve share list from server

I am part of a small Windows7 & 8 network of about twelve machines, all of which have been configured mostly by me to share folders with "Everybody". The machine that doubles as a File Server, ...
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no user-switching option in Ubuntu 12.04

Some time ago, we got several new Ubuntu 12.04 machines at work for various purposes. To make things more manageable, I created multiple accounts for the different users that will be using the ...
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36 views

Zorin6.4 core ubuntu software center will not open

Ubuntu software center will not open. Last time it was open it said it was conducting a search. Reboot and still conducting search. Synaptic center says unable to get exclusive lock' Lubuntu software ...
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why linux checks disk after shutdown -h

if I give the command sudo shutdown -h +2 or edit my crontab in a similar way, at reboot Ubuntu 12.04 checks disk for errors: is this behavior correct? is there a way to avoid it? Note that this ...
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I want backdoor access via intranet but none via internet - easy solution?

I see my new server has two cards and wonder if I can plug the internet into one and an intranet into the other. I only want access to the OS and program files and MySQL from the intranet side. ...
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29 views

Ubuntu - how to find live usage of port numbers

I am trying to debug a problem with a apache server, wherein I need to find the application that uses a particular port number. I tried using netstat, but didn't help. The scenario is that I am ...
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41 views

I lost my Ubuntu Partition

I have two operating systems installed on my computer, Ubuntu and Windows 7. I reinstalled Windows 7 today and I think have a problem with the Ubuntu partition. Running fdisk -l when booted into a ...
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48 views

NFS works in PC but doesnt in ARM board

I have done nfs in pc but i could not do it in arm board. is there anything in addition that is required... I did not change any setting but the following error is displayed mount: ...
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81 views

grub rescue moved folder out of root

I made a really silly sudo mv /* /some_folder move command on my remote server vm ubuntu 12.04 that moved my boot folder to /home/.../somefolder/boot I can access this folder via a ...