Fourth LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012. Will go End Of Life (EOL) April 2017. Only use this tag if your question is version-specific.

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Ubuntu 12.04 problem installing thinkorswim

I have follow the instructions listed in the forum as well as the thinkorswim website. I can get all the way to the launch point for showing the desktop and it won't show I just get a black screen and ...
4
votes
2answers
10k views

Wifi not working on Acer Aspire One D270 (Broadcom BCM4313 wifi adapter)

brand new baby linux user here, never used Ubuntu or any other linux OS before, so be gentle and use short words! I installed Ubuntu 12.04 on my new Acer Aspire One D270-F61C/KF netbook (it's a ...
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2answers
13k views

How can I reinstall pulseaudio? (12.04 64bit)

I accidentally removed pulseaudio from my Ubuntu 12.04 64bit. I have tried reinstalling it using sudo apt-get install pulseaudio but my sound card doesn't appear in the list of the devices (in ...
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0answers
36 views

Audio missing on new Ubuntu 12.04 LTS laptop

New notebook come with Ubuntu 12.04 LTS preinstalled, and audio is missing, no sound. MUTE is off. How many efforts is required to enable such basic functionality on new laptop? I'm have no much ...
21
votes
3answers
141k views

Command to get the hostname of remote server using IP address

I want to get the hostname of a remote server using the IP address using my Ubuntu. In Windows we can get using NBTSTAT but this doesn't work in Linux. Does anyone know how to do that?
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0answers
38 views

Any chromium-based browsers aren't working on 12.04!

Few days ago I got system, kernel and software updates for Ubuntu 12.04. After restarting any chromium-based browsers (Google Chrome, Opera, Chromium, Vivaldi etc..) are not working. I have similar ...
51
votes
6answers
56k views

How can I create launcher icon for PhpStorm?

I have PhpStorm on my PC, to launch it I have to go to phpstorm/bin/ and launch phpstorm.sh, how can I pin this to launcher so that I dont have to go into folders every time?
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0answers
12 views

wvdial invalid dial command

I am using a USB modem on my system running on ubuntu. When at home, I am able to comfortably connect to the internet using wvdial. But, at a certain remote location where the mobile signals are very ...
2
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2answers
6k views

No boot option after installing Ubuntu 12.04 LTS on Acer Aspire 4736z with Live CD

I am facing a problem. After installing Ubuntu 12.04 LTS using Live CD, at the reboot there is no boot option to choose the OS. I directly get logged into my Windows 7. Before that i was having an ...
0
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0answers
15 views

Could not connect to vsftpd server [closed]

When I try to connect vsftpd server it shows the following error Status: Resolving address of sitename.com Status: Connecting to xxx.xxx.x.xxx:21... Status: Connection established, waiting for ...
13
votes
3answers
20k views

How to run crontab as user:www-data?

My LAMP is setup to work as user:www-data and all files and folders are created with that permissions. I have setup for crontab as user@ubuntu. So i do crontab -e and use this command: */5 * * * ...
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4answers
5k views

ZTE MF180 - BSNL - 3G Datacard USB Modem not working in Ubuntu 12.04 LTS

I'm entirely new to Ubuntu and hence do not have much knowledge about it... I recently installed Ubuntu 12.04 LTS version alongside with Windows 7 since i wanted dual booting option. Here's my ...
0
votes
1answer
22 views

How to move files in perl recursively

How can i move all files in a directory to the previous directory in Perl using system command ? I tried the following method and it showed error system('/bin/mv "test/*" , "./"'); bash: syntax ...
1
vote
1answer
18 views

How to set noapic and pnpbios=off parameters for boot

I have a weird laptop, that, long story short, must have these 2 parameters set for it to boot: pnpbios=off noapic How to I tell grub to utilize these every time it boots?
8
votes
1answer
4k views

How do I get Ubuntu 12.04 to recognize encrypted swap partition so that I can hibernate?

I just installed Ubuntu 12.04 and used gparted to erase and enlarge my swap partition. When I rebooted, gparted said that the file partition for the swap was unknown. Gparted doesn't let me change ...
2
votes
1answer
847 views

How to use rsyslog?

I've been scouring forums for a few hours and cannot find a concrete explanation on how to use rsyslog. I really just need the basics. I have a log file logFile.log and I want to forward the logs to ...
0
votes
1answer
6k views

How can I get my wifi to work on my Dell 3521 laptop?

I have installed ubuntu 12.04 alongside windows 8 in my DELL 3521 laptop and everything is working fine except the wi-fi in ubuntu. In win 8 wifi is working well but when i start ubuntu it does not ...
4
votes
3answers
14k views

nginx dependency problem trying to upgrade

Trying to upgrade my Ubuntu 12.04 vps I get the following error: henrik@neung:~$ sudo apt-get upgrade [sudo] password for henrik: Reading package lists... Done Building dependency tree ...
28
votes
5answers
10k views

Can I apply a different GTK3 theme from the main one to an individual application?

For example, can I keep Ambiance as main theme but assign elementary theme to elementary's app?
1
vote
1answer
118 views

Laptop powers down for no apparent reason

Over the past day, my laptop which is running Ubuntu 12.04 has been abruptly powering down for no apparent reason. It has a full battery charge, so there are no issues there. I can't think of any ...
2
votes
1answer
1k views

Ubuntu 12.04 totally freezes while browsing or using VirtualBox

My system:  Ubuntu 12.04 64-bit  8GB memory  Intel Core i3 540  AMD ATI RV710 [Radeon HD 4350] - graphic driver I have tried to figure out what is causing the freeze, but I ...
0
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0answers
20 views

Upgrade to 15.04 didn't finish correctly: how to resolve failed issues? [closed]

I upgraded Ubuntu from 12.04 to 15.04, and during the upgrade - I noticed that the setting of changing keyboard's language direction (from L2R to R2L) failed, along with the upgrades/installation of ...
2
votes
1answer
250 views

“sudo apt-get upgrade” not working

I am using Ubuntu 12.04 installed on a Dell Vostro 15 3000 series laptop. when I hit sudo apt-get update it works fine and then I hit sudo apt-get upgrade it shows me: and then when i press Y ...
1
vote
1answer
144 views

Security risk for making the sudo password timeout infinite?

I recently changed my sudo password timeout (the amount of time that passes before sudo asks you for your password again). It defaults to 15 minutes; I raised that to an hour with sudo visudo and ...
0
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0answers
23 views

Not able to install 12.04 or 14.04 on my laptop [closed]

Not able to install 12.04 or 14.04 on my laptop. But successfully installed 16.04. I was doing the installation with bootable pendrive. My laptop configuration is as Lenovo G50-80 RAM 8 gb Processor ...
5
votes
3answers
22k views

Ubuntu doesn't see my phone (Sony Xperia Tipo)

When I connect my phone Xperia Tipo to my Ubuntu 12.04, the USB icon does not appear in a launcher. lsusb gives me following results: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub ...
0
votes
4answers
13k views

Why doesn't the bootable USB show up in the BIOS?

I followed all the instructions on the Ubuntu website as to how to install Ubuntu using a bootable USB. I got the linux pendrive thing, formatted the USB, and have nothing on it besides what was put ...
0
votes
0answers
14 views

Where can find zone files in slave bind server?

In /etc/bind/named.conf.local file I mentioned file "/etc/bind/slaves/file name.db"; but I couldn't find the zone file in the location /etc/bind/slaves.
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0answers
10 views

how to connect lan network in ubuntu 12.04 vmware

How to connect network(wired) in ubuntu12.04. unable to connect. help me with the steps to connect network in ubuntu.
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0answers
12 views

SD card and USB error reg in ubuntu12.04

I have downloaded some BSP package regarding my embedded computer and The linux os booting on the hyper terminal and now I am trying to boot up onboard/SD card boot up for that I am trying to write ...
1
vote
3answers
14k views

Told command dpkg cannot be found

On issuing the command sudo dpkg -i (package name) at chronos@localhost ~ $, I get the response sudo: dpkg: command not found. Anyone know why? I'm trying to load version 3 of network-manager and ...
4
votes
3answers
12k views

Ubuntu 12.04 does not recognise CD

~$ wodim --devices wodim: Overview of accessible drives (1 found) : ------------------------------------------------------------------------- 0 dev='/dev/sg1' rwrw-- : 'MATSHITA' 'DVD-RAM UJ8B1AS' -...
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1answer
3k views

Ubuntu apt-get upgrade error on ubuntu 12.04

I am trying to use command sudo apt-get upgrade command on mu ubuntu 12.04. But is is showing me the error .This is after i upgraded my php 5.4 to php5.5. You might want to run 'apt-get -f ...
0
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0answers
28 views

Check file system integrity for all existing partitions

How to check file system integrity for every dev/sdaX block with fsck command? Ubunty LTS 12.04 crashed, then was installed again, from boot into recovery mode. Device Boot Start End ...
0
votes
4answers
9k views

How do I set resolution to 1440x900 with Nvidia?

I have an Nvidia GeForce 9800 GT card and suddenly after some recent updates on 12.04, I am unable to get my resolution higher than 1024x768. It used to be 1440x900. I have tried uninstalling and ...
1
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2answers
395 views

getting different version of java in ubuntu

I am getting different version of java when i run java -version and javac -version. for java-version iam getting java -version java version "1.7.0_65" OpenJDK Runtime Environment (IcedTea 2.5.3) (...
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votes
3answers
4k views

Brightness options in Ubuntu 12.04 desktop missing

I am unable to change the brightness of my desktop screen using this path. System settings{top right corner of the screen)>Under Personal Brightness & lock.No option to change brightness is ...
1
vote
1answer
6k views

Validity Fingerprint Sensor not detected

I have a VFS471 Validity Fingerprint driver that is not detected in my HP Probook 4530s. Can someone help?
1
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0answers
11 views

virtualbox- error on importing

I have offline computer with (computer_A): OS: xubuntu (12.04) virtualbox: 4.1.44 guest: ubuntu 14.04 I have another computer(computer_B): OS: windows 7 virtualbox: 5.0.6 guest: ubuntu 14.04 ...
4
votes
2answers
19k views

Boot into Ubuntu from Android Tablet with Live USB Drive

I have an Android ASUS Slider tablet. I have successfully installed UBUNTU to an 8GB thumb drive. I would like to boot into the thumb drive the same way I do with a windows system except I would like ...
0
votes
0answers
20 views

Ubuntu 12.04 LTS problem with external monitor, super old laptop

I've just got a 'new' old laptop Hasee Q540S (graphics VESA: 6330) and I wanted to use LG 27MP37 as an external monitor. The problem is: monitor works (lets say it displays 80% of laptops view, with ...
13
votes
2answers
20k views

Why after fresh Ubuntu 12.04 installation update aren't being installed?

I've installed Ubuntu 12.04 on a computer. Everything is fine without update. Just after the installation, it was showing about 200 MB updates to download. Since then I'm trying to install all the ...
1
vote
1answer
36 views

How to fix the “Unable to calculate upgrade” issue from command line when upgrading from 12.04 to 14.04?

I'm running Ubuntu 12.04 on DigitalOcean server. I would like to upgrade it to later releases (12.04->14.04->16.04), but fail to do so due to the mentioned mistake. DigitalOcean provides a tutorial ...
0
votes
2answers
5k views

Changing resolution in Ubuntu Server 12.04

I'm a linux newbie and I've now tried lots of different ways of doing this, but every single one fails somewhere - usually because they pertain to Ubuntu desktop rather than server and rely on ...
3
votes
4answers
40k views

Making a Bootable USB flash drive which will boot in EFI

I have recently bought a laptop with windows 8 (EFI) installed. I thought I'd be able to handle installing 12.04.2 relatively easily - how wrong could I be? Using a live-usb I made using startup ...
2
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1answer
4k views

Dual Screen will only mirror after 12.04 upgrade

I have been using Ubuntu with a dual screen for years now, after upgrading to 12.04 LTS i cannot get my dual screen working properly Graphics: 01:00.0 VGA compatible controller: Advanced Micro ...
3
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2answers
4k views

Why do I get disk I/O errors booting the 3.2 kernel on a xen vps server?

I have a xen vps, which I just upgraded to the new LTS 12 Precise Pangolin. However, I see this error on booting: [ 12.848076] end_request: I/O error, dev xvda, sector 12841 [ 12.848093] ...
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3answers
5k views

Ubuntu 12.04 does not shutdown

I am using Ubuntu 12.04 amd64 desktop. It worked fine, but after the last update, the system does not shutdown. It gets stuck with the last line on the screen being: unmounted /kernel/debug I ...
1
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3answers
5k views

Unable to enable wireless on a Vostro 2520

I have a Vostro 2520 and not sure how to enable wireless on my machine. The details are given below, would appreciate any pointers to resolving this issue. lsmod returns Module Size ...
0
votes
1answer
32 views

Stuck on BIOS splash screen (Dell manufacturer logo) [closed]

My computer always gets stuck during boot at this screen: Is this a problem of Ubuntu or the computer itself and how can I fix it?