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

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ubuntu server as firewall/gateway [on hold]

scenario is that I have two networks (network cards) 1) Public internet WAN (static ip address) 2) LAN (static ip address) I need to configure Ubuntu server as gateway/firewall on which I can do NAT ...
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22 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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1answer
27 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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14 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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1answer
35 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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2answers
242 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 ...
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1answer
23 views

Change service apache2 on linux

I'm on ubuntu 12.04. The default exe location for service apache2 (usage ex: sudo service apache2 start) currently points at /etc/apache2/bin/httpd, but that will not modify the current running ...
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1answer
18 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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30 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 ...
0
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1answer
61 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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17 views

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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56 views

Ubuntu 12.04.5 - unable to connect to internet

I have just installed ubuntu 12.04.5-desktop-i386 However, i am unable to connect to the internet. Also, do i have to download packages? Any other info needed? Please do ask. Thanks!
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3answers
103 views

Error: Unknown Puppet subcommand 'module'

It seems there is a problem with puppet on Ubuntu 12.04 LTS as it's missing the module subcommand as follow: Installed puppet in version 2.7.11 $ puppet module install rafaelfc-pear Installing ...
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1answer
54 views

Does dd care when cloning from smaller hdd to bigger hdd?

Does DD care about hard drive size? I currently have a smaller 500GB HDD that i want cloned to a 1TB SSD. Will it clone without a problem relating to size? will there be non partitioned space? was ...
0
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1answer
25 views

logind.cof file in ubuntu 12.04?

I have heard that the logind.conf file should be in /etc/systemd/logind.conf. however, it doesn't appear there, and a file search reveals that it isn't ANYWHERE. So what file replaces logind.conf, or ...
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1answer
136 views

No internet on Ubuntu server static IP running within VirtualBox after switching Internet Providers

I have switched Internet Providers recently and for some reason I now get no internet connection on my Ubuntu server 12.04.2 LTS VM running within VirtualBox. My host machine is Win7 64b. I do get an ...
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1answer
49 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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31 views

Ubuntu server VMs having network issues after VLANing in VMware

Running ESXi 5.1 and vCenter. I recently segmented my network into smaller VLANs and enabled tagging on the vSwitch as well as the physical switch ports. Moved variety of VMs, Server 2008, RHEL, ...
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19 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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1answer
82 views

How to Install Windows8 with Ubuntu on laptop?

In my laptop, I have installed Windows 7 with Ubuntu 12.04LTS. Now I need to replace Windows 7 with Windows 8 without formatting Ubuntu. Is it possible to do?
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49 views

connected laptop with TV- sound from tv not working

I have connected a tv via HDMI to a laptop running ubuntu 12. I can see the video on the televsion but the sound plays from the laptop and not from the television. Any ideas on what I need to change ...
0
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1answer
24 views

Need to setup ubuntu server files secure

I have a Ubuntu 12.04 server. On that we have some projects which are shared with Samba share. I need to protect our files to be copied from there by other users except by a superuser or root for ...
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1answer
435 views

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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40 views

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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52 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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72 views

Why isn't “(ulimit -d 1000; firefox) &” working?

I'm trying to limit the memory usage of firefox to prevent it from stalling the whole system with problematic web sites. I tried, in bash: (ulimit -d 1000; firefox) & This should limit the ...
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67 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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1answer
51 views

Ubuntu12.04 crashed while trying to install Ubuntu14.04, no longer have access

My desktop crashed. It's a 9 year old Compaq SR 1650NX, AMD Athlon 3500+ probably 1 GB RAM. Was running Ubuntu 12.04... was attempting to upgrade to 14.04, not sure if I interrupted it. Pretty much ...
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19 views

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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101 views

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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26 views

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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29 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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31 views

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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41 views

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. ...
0
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1answer
25 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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1answer
35 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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29 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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2answers
425 views

Unable to run skype 4.3 on ubuntu [duplicate]

I recently upgraded skype 4.2 to 4.3 on ubuntu 12.04, but it is crashed within some seconds. This crash is happening each time. can any body suggest me some workaround.
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185 views

How to re-install a ubuntu package when sudo dpkg -i does not work?

I am trying to re-install a broken package (tzdata) using dpkg but sudo dpkg -i tzdata_2014e-0ubuntu0.12.04_all.deb does not work. Here's the output dpkg: error processing ...
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1answer
92 views

Installing Ubuntu 12.04 x64 in MBR

I wanted to install Ubuntu 12.04 side by side with Windows 8.1 in my SSD. Windows is already installed in MBR, even though I have a UEFI machine. And so I used the legacy Bios. I have confirmed that ...
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1answer
43 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 ...
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27 views

Windows install (media drivers)

I have been trying to install windows 7 64bit onto my Ubuntu 12.04 machine for quite awhile. I succeeded in installing the win7 64bit iso onto my usb via unetbootin-linux-494 and formating the usb ...
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40 views

Cannot import .ova

I'm trying to import an .ova file into my VirtualBox on Ubuntu 12.04 (64 bits), but when I do this I get the following error: Failed to import appliance /media/USB/Respaldo 11 (Armando)/SW/Maquinas ...
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180 views

Cifs share doesn't preserve permission configuration in smb.conf (775 instead of 777)

So I have a share on ubuntu that is accessed through both ubuntu and windows machines. my relevant smb.conf is like this: path = /share create_mask = 0777 force create mode = 0777 security mask = ...
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25 views

ubuntu: killing xorg logs user out

Experimenting with my ubuntu box, I killed Xorg. The effect was to log me out of my session. If I log back in, the screen goes black for a moment, and then logs me back out. I can log in as guest ...
2
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2answers
483 views

How to disable a keyboard key in Linux (Ubuntu)?

my keyboard is damaged, the keyboard key [é] is always pressed and it prevents me from working. On windows I found the software sharpkey to disable the [é] button but on Ubuntu I can't found no ...
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145 views

Mysql Failed to started after mysql dump restore process

i tried to restore a db backup to a newly created database, suddenly its starts showing error. Can't connect to local MySQL server through socket /var/run/mysqld/mysqld.sock so i checked ...
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1answer
360 views

Network icon not visible in Ubuntu 12.04, how to get it back?

When I tried to configure a broadband connection in my Ubuntu 12.04 somehow the network icon has been removed from the system panel. I tried many kinds of solutions but still it is not visible. Now I ...
0
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1answer
105 views

how can I change the home directory of a user

I just changed the username of an existing user by doing: usermod -l new_username old_username and now I wanted to change the home directory using the following: chown -R root.new_username .bash* ...
0
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1answer
50 views

How do i change wifi password without a monitor (Ubuntu)

I have an ubuntu device that is wifi enabled, I plan to distribute it to clients that may not have a monitor. What is the best way to modify the wifi password of such a device ?