Fourth LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012. Only use this tag if your question is version-specific.

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Problem connecting Firebird in Ubuntu 12.04 LTS 64-bit

I installed Ubuntu 12.04 LTS 64-bit on a PC I built recently, I installed Firebird 2.5-Classic, then FlameRobin (open-source database administration tool for Firebird), These packages appeared to ...
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447 views

How to block the specific websites using proxy server?

I need to block the social networking sites like facebook, twitter, etc within my office network. I tried some proxy server and enabled settings in browser like giving IP and port number. It works but ...
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421 views

Ubuntu upgrade to 14.04 doesn't show after interrupted attempt

I tried to update from Ubuntu 12.04 to 14.04 using the update-manager. But the upgrade process stopped midway due to insufficient disk space. I cleared up enough space, and tried to resume by ...
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85 views

Select account based on password instead of username

Sometimes I might be forced to open my PC in front of strangers for some reason. In front of other people, I would like to make it appear that I'm logging in normally into my computer, but secretly I ...
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622 views

Samba Shares not working after reboot

After a reboot of a Ubuntu 12.04.4 LTS (GNU/Linux 3.8.0-35-generic x86_64) LTS server, the samba shares are no longer working. Details: Connecting to the samba shares from a Windows server using ...
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478 views

Trouble with “ waiting for headers ”

It seems duplicate but really it's not, I'm really tired of testing all solutions and reaching no success. even I'm thinking about going back to windows because I had several problems with ubuntu ...
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4k views

Problems with OpenSSL-Heartbleed in Ubuntu12.04LTS

Since I have not enough reputation to comment an existing Answer, I create this new question. I have a vServer with Ubuntu 12.04LTS. Because of the Heartbleed-Bug in OpenSSL1.0.1 I upgraded all ...
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137 views

Unable To See Screen After AMD Catalyst Driver Install

I have the following setup: Z87 Extreme Motherboard. Asus HD 7790 Graphics card. Asus R9 280x Graphics card. Ubuntu 12.04 I have been able to install both the latest beta drivers and the latest ...
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303 views

WiFi connection problem on HP Pavilion dv8

I have an HP Pavilion dv8. I installed Ubuntu 12.04 to replace Windows XP Home Edition and did an update to 12.04.1. The connection to my Belkin router was fine during installation and did not ...
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802 views

Add VIA driver from command line prompt

I've tried upgrading a Windows XP environment to Ubuntu 12.04 LTS. I get the "low-graphics mode" screen that stalls. I know that error is well-documented for ATI/AMD, however this machine has a VIA ...
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485 views

Video colors wrong 12.04 LTS using VLC or Movie Player

Does anyone have a fix for misrepresented video colors? Have searched askubuntu.com, have not found a solution that works. 12.04 LTS displays video colors incorrectly using VLC or Movie Player. ...
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101 views

No errors but some wanings in Xorg.0.log file,However X still black screen! Help please,ATI driver

My desktop is ASUS A43 with AMD Radeon HD 6730M Graphics.Recently I installed the Ubuntu12.04 system and I find that my cpu has a high tempreture since booted.So I realized there must be some wrong ...
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625 views

Unbut 12.04 - Problem with Chrome & Chromium since last update

Two days ago, Update Manager said there were several pending updates. Which I didn't check (my bad) and just went for it. Left it updating all night. Next day after rebooting, Gnome Desktop wouldn't ...
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46 views

Keyboard layout won't reset on new windows - Ubuntu 12.04 LTS

I have setup the options of Keyboard layout as shown in the attached picture. Nevertheless, sometimes when I write on my browser in Arabic or German, and after that I start a terminal (or any program ...
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957 views

Why would having multiple nameservers in resolv.conf cause nslookup to fail, but a single entry work?

I have a resolv.conf on ubuntu 12.04 that looks like this (IP addresses have been changed to nonsense): search internal.mydomain.com nameserver 205.169.169.193 That nameserver is not authoritative ...
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160 views

general error mounting filesystems

Sorry for posting, but I have searched the website (and a bit the internet) since yesterday for a solution to my problem, but nothing worked for me so far. I just hope I am not duplicating. Due to a ...
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25 views

Ubuntu 12.04 jumps straight to bios when booting

So I tried installing Ubuntu 12.04 LTS onto my new machine, which i've just built and it worked just fine. I then swapped the mainboard and cpu with another pair of these to see the difference in ...
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370 views

UFW is DENY/DENY, but PACKETS are still getting out of my ethernet device. Why is this?

Hello, I have a question. I would like to use the UFW Ubuntu Firewall to lock both Input and Output completely from the server to ensure no packets are sent initially as a baseline. I enabled UFW, ...
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2k views

Constantly prompted to enter wifi password with a Broadcom BCM4323

Our last router worked just fine, I stayed connected to it wirelessly flawlessly (using Ubuntu 12.04 and Ndiswrapper). I installed our new router and now I can't connect to it at all. All 4 mobile ...
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88 views

tint2: Fontconfig error

I recently installed Ubuntu 12.04 LTS. I am attempting to configure tint2, I got it installed and ready to go, but when I go to the terminal and start it up by typing tint2 I get this: real ...
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118 views

HDMI connection disappeared

I'm using a Toshiba laptop running Ubuntu 12.04 on an Intel graphics controller, connected to a Philips monitor through HDMI. One fine day, the connection (let alone the monitor) via HDMI simply ...
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65 views

what is the first step on ubuntu 12.04 on laptop

Am new on ubuntu and I would like to know what I would have to do first after installing ubuntu. I had ubuntu before but I removed it because my laptop was getting so hot; but now I want to try it ...
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409 views

GNU ddrescue imaging results — 116 errors a lot?

A little background on this. It's an 256 GB SSD drive with Windows SP3 32-bit and it's encrypted with PGP Whole Disk Encryption. The file system is corrupt and unreadable. I first ran Clonezilla to ...
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34 views

Why Does Ubuntu 12.04 logout as soon as I login?

So I was working on ubuntu and I had to go away for about 5 mins and closed my chromebook's screen, when I came back and opened the screen I found out it shut down by itself. So turned it back on and ...
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207 views

Module acpi not found

My OS is 12.04, I'm not able to suspend and wake up my PC at given time, or better if I run sudo rtcwake -m mem -s 120 My PC enter suspend mode and the power-on light turns up after 2 minutes, but ...
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1k views

How to update D-Bus on Ubuntu 12.04?

I'm looking for a simple way to update or to install D-Bus 1.6 or higher version on Ubuntu 12.04. When I install d-bus 1.8 package from the following link, unfortunately Ubuntu does not start again ...
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226 views

Overheating problem with driver fglrx on ATI radeon h5000 - mobility radeon h4000

I have an HP pavilion dv6-3127 el, with installed Ubuntu 12.04, i don't use new version of Ubuntu becouse i have overheating problem, temperature about 90 degree, instead in 12.04 i don't have this ...
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232 views

Settings and configurations are not saved on Ubuntu 12.04 LTS

I recently installed 12.04 LTS. Whenever I rearrange the launcher icons they reset to their initial order after a reboot. Also, although I can change the time and date settings, none of the changes ...
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328 views

Ubuntu Server 12.04: Boot hangs with error "udevd[538] inotify_add_watch(…) failed: invalid argument

I'm currently faced with the following situation: when rebooting a Ubuntu 12.04 LTS server after updating (it ran perfectly for a year or so, I updated it around two months ago and rebooted with no ...
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109 views

Applications menu does not find installed eclipse

I just switched from my company's version of eclipse to the stock Ubuntu version. However, when I did: sudo apt-get remove eclipse I found that my company's eclipse remained installed. I figured it ...
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94 views

Combine two hard drives

I have a PC with 2 physical hard drives, each is 500 GB (sda and sdb) I'd like to combine them in one large hard drive (1T). I couldn't find a clear approach on how to do it. I tried LVM with no ...
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441 views

How to configure GRUB loader during apt-get upgrade on Ubuntu 12.04

I have a box with Ubuntu 12.04, and just did a apt-get upgrade. I'm presented with a dialogue to update my GRUB bootloader, but with the following message: The GRUB boot loader was previously ...
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89 views

12.04 LTS not able connect to internet when installed, but could connect using LiveCD before installation

I met a strange problem. When I use LiveCD to install ubuntu 12.04 LTS, I was able to connect to Internet through wired connection, choosing "Try Ubuntu". But when I installed it, it could not ...
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55 views

12.04 Unity - Windows Consistently Jump Behind Main Menu Bar

I have run a clean install of Ubuntu 12.04 LTS and installed all the latest updates, and have not made any alterations to the interface. However I am presented with a persistent problem: When using ...
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1k views

Keep External HDMI Monitor ON

I am running XBMC (Frodo) on an Asus U47A laptop (Intel Sandybridge graphics) with Ubuntu 12.04. The laptop is connected to an older Phillips 27" tube HDTV via HDMI. What I would like is for XBMC to ...
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57 views

Which non-free code gets installed by default in 12.04?

Which non-free components/programs ship with Ubuntu 12.04? I’m not referring to non-free software available from the repositories, but only to software that gets installed by default. (I’m not sure if ...
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646 views

How can I get multiple SYBA SI-PEX40057 (Marvell 88SE9230-based) SATA cards to play nice?

I've built a storage server using: Supermicro X9SCM-F motherboard Three Syba SI-PEX40057 PCIe SATA cards Ubuntu Server 12.04 LTS All twelve ports on the cards are populated with storage drives, as ...
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499 views

Stopping e-calendar-factory and e-addressbook-factory

How can I prevent e-calendar-factory and e-addressbook-factory from ever starting? If I manually kill the processes they just start up again? Between the two they are spamming google with 100 ...
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385 views

Binary package for gcc 4.8.2 on Ubuntu 12.04?

Following this answer, I have installed gcc 4.8.1 on Ubuntu 12.04 a couple of months ago. Unfortunately, I encounter bugs very frequently, varying from failing to compile valid programs to crashing. ...
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213 views

Canon MP600 USB-connected Scanner is not recognized by sane-find-scanner

I have a Canon Pixma MP600, which is supported by xsane with pixma backend. I have Xubuntu 12.04, this is the result of sudo sane-find-scanner -v command: searching for USB scanners: checking ...
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247 views

Edmiax Mini Wifi Dongle (RTL8188CUS) not working

unforunatley my Edimax EW-7811Un WIfi Dongle with an integrated Realtek RTL8188CUS chip is not working under my ubuntu 12.04. After having it connected the first time it worked right away and I was ...
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655 views

Up, down, right arrow keys and delete key not working

I have already read Delete and arrow keys not working and tried what is written there. I have also tried restarting my computer. I have also searched elsewhere for answers, but I haven't found any ...
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478 views

iwlwifi on lenovo z570 disabled by hardware switch

It was working fine with windows 7. The hardware switch is not disabled. I've toggled it back and forth dozens of times. The wifi light never turns on and it always lists as hardware disabled. I have ...
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782 views

disable intel gpu in ubuntu 12.04

I am wondering if there is anything to disable the intel gpu on ubuntu 12.04. I want to be able to setup dual monitor using nvidia-settings. It seems the intel gpu is used for display as suggested by ...
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108 views

net_cls and ns subsystems not available in 12.04?

I'm playing around with cgroups and I noticed when I try to list all available subsystems that the network ones are not available ? Running the following command should list ALL available subsystems - ...
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452 views

Several keys on my ASUS desktop keyboard are not working in Ubuntu 12.04

After installing Ubuntu 12.04 on my ASUS G10AC, several keys on my keyboard (ASUS G01 KB) are not working at all. This includes both CTRL keys, both ALT keys, and both WINDOWS keys. When I use the ...
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272 views

Unable to select Chrome updates on Ubuntu 12.04

I own two machines, both of which are running Ubuntu 12.04. I use Google Chrome on both. A Google Chrome update is available, and it appears in the Update Manager. However, I cannot select the ...
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363 views

sharing between ubuntu 12.04 and windows8 with online user

I've searched for solutions and tried numerous things but nothing so far has worked. I'm trying to access shares on an ubuntu 12.04 pc from my windows 8 pc. In my win8 machine I can see the shares, ...
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241 views

NTPD segfaults on 12.04 LTS (64-bit)

Fresh install of Ubuntu 12.04 LTS. Installed ntp, but starting the service only results in the following error: grsec: Segmentation fault occurred at 0000000000000008 in /usr/sbin/ntpd[ntpd:28951] ...
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498 views

Ubuntu 12.04 won't shut down - stopping winbind daemon

My Precise Pangolin sometimes won't shut down - the screen is black with text on it. Mostly last line says something like stopping winbind deamon (sometimes also virtualbox, which is above winbind ...