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

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apache2 overwrites lighttpd

I have Ubuntu 12.04 and lighttpd web server installed. Every time there is an update to apache2 package it overwrites my /var/www folder and removes lighttpd from startup. After the update to apache2, ...
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Cron expression hour 1/12

I'm looking at a system where someone added a cronjob which schedule is like this: 0 1/12 * * * doSomething More commonly, if the hours part in the schedule were */12 then it would execute every 12 ...
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21 views

Can not access Hard Disk from Ubuntu 12.04 live CD

I am new to Ubuntu. I have installed Ubuntu 10.04 . OS is corrupted in my system and can not boot. I just go through recovery mode and upgrade my OS but still i can not boot. Using Ubuntu 12.04 Live ...
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Computer boots to black screen in Ubuntu 12.04 after trying to fix “The system is running in low-graphics mode”

I was trying to install the GHMM packages in Python. I followed the instructions in The General Hidden Markov Model library. After that I followed their procedure: sudo apt-get update sudo apt-get ...
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I have created an user in ubuntu cluster, cannot login to the other nodes using the same credentials

#ssh -v atmos3 ......................... ...... debug1: Trying private key: /home/sghimire/.ssh/id_rsa debug1: Trying private key: /home/sghimire/.ssh/id_dsa debug1: Trying private key: ...
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Ubuntu 12.04 Dual Monitor Worked but not Working Now

I'm using NVIDIA GT218 and unable to see my monitors in "Display Settings", following info might help # lspci 00:02.0 Display controller: Intel Corporation Device 041e (rev 06) 01:00.0 VGA ...
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18 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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39 views

What is the standard ftp service of ubuntu server 12.04?

Stopped vsftpd, so it is not that. If i can still access via ftp (sftp in particular) how do i now what service is managing it?
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48 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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86 views

How to create a virtual machine from a bootable USB?

I need to take a live USB, that has Ubuntu 12.04 and a ton of customization on it, and create a virtual machine in Virtualbox from it. I ultimately actually want to get this installation up to Google ...
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122 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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58 views

How to run a command a command as root on startup (Ubuntu)?

I'd like to run a bunch of commands automatically on boot with root on Ubuntu 12.04 (for instance a mount) I tried to put them in /etc/rc.local but didn't work. Thanks
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17 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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29 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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333 views

How to uninstall flux on linux?

Flux is a lighting app which malfunctions on my laptop. I tried sudo apt-get remove flux in the terminal, and it responds with "the package doesn't exist".
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41 views

Jenkins slave is not using 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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28 views

w3m keeps auto-refreshing

When I run w3m 'google.com/search?unicode+smiley' the page does load correctly, but it keeps refreshing every 0 seconds until I hit CtrlC. I don't think I changed any of my w3m settings and this is a ...
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1answer
12 views

Where does mutt save email while you're writing it?

I was in the middle of writing an email when my computer shut down. I had already :w saved it, but not :wq saved-to-drafts. Where should I look for the partial email? This is on Ubuntu Linux.
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Where else are vim config files stored besides ~/.vimrc and /etc/vim?

I somehow (a long time ago, probably playing around with Rvim) made a keyboard shortcut which I now want to get rid of. The problem is, I have no idea where the config file that has nmap _ <- is. ...
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1answer
114 views

Simple Nginx config doesn't work

I am a developer with absolutely no server experience, this project I'm working on is my first foray into the world of servers. Basically I have to host an API online, on a Linode server running Nginx ...
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1answer
74 views

Apache not working after an Ubuntu server upgrade from 10.04 to 12.04

I’ve just upgraded a server from Ubuntu 10.04 LTS to Ubuntu 12.04 LTS given the imminent end of support for 10.04. The upgrade went fine; I have already tested it all with a virtual machine ...
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46 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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339 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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176 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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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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44 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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30 views

How to handle log analysis from several servers? [closed]

I’m stuck which way to go with log analysis. I have a bunch of small VM’s (web + database server) running with Ubuntu 12.04. Right now I log weekly into each machine and grep system logs and Apache ...
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93 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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17 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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101 views

SSH key forwarding not working between MinGW and Ubuntu VM

I've read a great deal of similar issues, but haven't yet found the answer. SSH forwarding between my MinGW (Windows 7) host and an Ubuntu Precise VM, provisioned with Vagrant, is not working. ...
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72 views

Why does fdisk show sda, sdf and sdg but seems to skip sdb, sdc, sdd and sde in Ubuntu?

It is my understanding that Linux will list hard drives using alphabetical ordering and partitions as numbers. On a machine I am working on there are 3 drives but fdisk lists them as /dev/sda, ...
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76 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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50 views

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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36 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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162 views

command executed in nohup is killed as soon as the putty terminal is closed

I have an Amazon ubuntu ec2 instance I'm using PuTTY to access the same. Here, I have a large database in mysql. I'm executing the following command to take the backup of my database. nohup ...
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48 views

how to create a send file between shared folder in Windows 7 and Ubuntu-directory doesn't exist

I am trying to create a shared folder between Ubuntu 12.04 server running on vmware and my Windows 7 desktop which is hosting it but I keep getting errors telling me that the directories do not exist ...
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404 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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104 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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97 views

Device Is Busy When Trying To UMount

I am using the Ubuntu Rescue Remix and Ddrescue. I am in the process of creating a RAW image onto a 'good' drive (sdc) from a 'bad' drive (sdc). I used the command sudo ddrescue -r 3 /dev/sdb ...
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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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50 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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83 views

Permissions Denied - After successful connection as 'root' ONLY when connecting externally

So, I have been using Ubuntu Server 12.04.01 for the past couple of weeks after using Ubuntu Desktop 13.10 for about a couple of months and find it a refreshing start after switching over from the ...
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I am not able to access a shared folder data from a remote IP address

File file = new File("//192.168.1.100/sharename/sharefolder/User2.jpeg"); System.out.println(""+file.exists()); I am not able to access file named "User2.jpg" available on given IP address from Java ...
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139 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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35 views

Harddisk reinstalled - can data be recovered?

We have a laptop here which had Ubuntu installed on it. When it came back we removed the old partitions, created a new one and installed Windows 7 on it. This install is still fresh. Will it be ...
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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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150 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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2k views

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 ...